JP2722064B2 - Measurement condition information recording device in magnetic recording / reproducing device - Google Patents

Description

(A) Technical Field The present invention relates to a method for recording measurement condition information in a magnetic recording / reproducing apparatus.
For recording devices, more specifically, for each measurement channel
Measurement conditions such as amplifier type, measurement range, and calibration value.
Measurement condition information generator that outputs as constant condition information
The measurement signal corresponding to each measurement channel has a one-to-one correspondence.
Signal output that outputs the signal of the above calibration value
Connected to a physical quantity measuring instrument equipped with
Code data consisting of multiple items such as loop counter values
Identification code generating means for converting and outputting
Specified recording channel among many recording channels of
The identification code output from the identification code generation means.
Record the measurement signal and the calibration value.
Recording means for recording a signal on the recording channel
Measurement condition information recording device in magnetic recording / reproducing device
Things. (B) Conventional technology In recent years, technological progress has been remarkable.
Fields are becoming more and more complex, and measuring instruments are becoming more sophisticated and multifunctional.
Is required. For example, in the case of multipoint measurement,
Multiple types of sensors, provided corresponding to these sensors
Multiple types of physical quantity measuring instruments (for example, strain measuring instruments, etc.)
Data recording device or data processing device, etc.
The measurement is performed in a system.
If this is the case, record the various measurement conditions in advance.
If it is, multi-channel magnetic
Recording / reproducing device, so-called multi-channel data recorder
When the data is played back in a file, etc., the contents of the played back data
Identification becomes impossible. Therefore, conventionally, prior to measurement,
Measurement range, calibration value, low-pass fill of each physical quantity measuring instrument
Measurement conditions such as the cut-off frequency of
It had to be recorded by such means as Mo. In other words,
Because the coming recording means is via human,
Measurement due to human error such as incorrect entry, forgetting to record, etc.
The drawback is that it reduces the reliability of the data.
Even if the above error does not occur, the recording
It takes a considerable amount of time to work, preventing labor saving and speeding up of measurement.
Was a factor. On the other hand, the recording means described above records the data on the data recorder.
When reproducing the measured data and analyzing the phenomenon,
It is assumed that a large computer is used as the data processing device.
However, the measurement conditions must be manually entered each time.
Input operation is a factor that hinders the high-speed operation of computers.
Was the cause. By the way, the present applicant has proposed a calibration value in a waveform recording device.
Before recording the waveform, each calibration value must be
Of the set number of pulse waveforms
Generate the corresponding pulse waveform, and
Or have an amplitude that corresponds to the calibration value in succession
Generate a calibration value waveform and use it with the above pulse waveform
A waveform recording device that can determine the calibration value
Method and its calibration wave generator were proposed earlier
(See JP-A-60-3558). According to this, the calibration value
Without having to record each time with human hands or voice
Easily and accurately determine the calibration values used for
It is very convenient. However, the output with the identification function of the above conventional device
The signal is an analog signal to the last.
Channel data recorder or so-called pen recorder
Can be applied only to analog devices such as
To digital equipment such as the above data processing device.
I couldn't do it. (C) Objective The present invention has been made in view of the above-mentioned circumstances.
Typically, measurement condition information corresponding to the set measurement conditions is always
Error, misrecording, forgetting to record, etc.
There is no room for this, so the reliability of the measurement data is significantly improved.
Data measurement work and measurement data
Magnetic recording and reproduction that can significantly improve the efficiency of analysis processing
To provide a measurement condition information recording device for the device
You. (D) Configuration In order to achieve the above object, the present invention
Amplifier type, measurement range, calibration value, etc. for each channel
Generates measurement condition information that outputs measurement conditions as measurement condition information
The raw device and each of the above measurement channels have a one-to-one correspondence.
A corresponding measurement signal and an analyzer that outputs a signal of the calibration value.
Connected to a physical quantity measuring instrument having a log signal output means,
Data consisting of multiple items such as measurement date and time, tape counter value, etc.
Identification code generation means for encoding and outputting data
Of the many recording channels on the recording medium
Output from the above identification code generator on the recording channel
The identification code is recorded and the measurement signal and
And the signal of the calibration value is recorded in the recording channel.
In a magnetic recording / reproducing apparatus having recording means,
While receiving the condition information, the measurement condition information generator
An input / output means for outputting control information for controlling;
Converts measurement condition information into a format compatible with the above identification code.
Converting means, and temporarily storing the output of the converting means.
Storage means; control means for controlling each of the above means;
Externally operable instruction input means for giving instructions to the control means.
Identifying the content stored in the storage means.
As one item constituting the code,
To the specified recording channel, and
According to the control information, the time
As the channel identification signal of the series,
A positive value signal is output for a predetermined time, and this channel identification signal is output.
No. to each of the recording channels sequentially through the recording means
Record and record each recording channel and each measurement channel
The feature is that it can be configured to identify the corresponding relationship with
Is what you do. Hereinafter, the gist of the present invention will be described in detail based on examples. FIG. 1 is a schematic diagram of a magnetic recording / reproducing apparatus according to the present invention.
A block diagram showing the entire configuration of an embodiment of a constant condition information recording apparatus.
FIG. In FIG. 1, 1 is 14 in this case.
Recording channels, i.e., 14 channels
Magnetic tape 2 as recording medium, recording head 2a
Recording system as recording means consisting of a width unit and a modulator
Path 2b is an analog input connected to the input end of the recording system circuit 2.
Input terminal 3, read head 3a, preamplifier, demodulator, etc.
3b is connected to the output terminal of the playback system 3
Reproduced output terminal. Note that, in this embodiment,
The data recorder as a recording / reproducing device has 14 recording channels.
Channel, so that the analog input terminals 2b and
Although there are 14 playback output terminals 3b each,
Only one channel is shown in the table.
4, 5, 6, and 7 will be described in detail later,
Address signal (i) output terminal and data signal (h) input terminal
Output terminal, output terminal of gate signal (j) and enable
Output terminal for signal (k). 8 is the output of the reproduction circuit 3
Received on the magnetic tape 1 (the 14th channel in this embodiment).
Identification code (abbreviated as “ID code” below)
ID code reading to detect constituent characters
Circuit (hereinafter abbreviated as "IDR"), 9 is a recording system at the output end
ID code as conversion means connected to the input terminal of circuit 2
Write circuit (hereinafter abbreviated as "IDW"), 10 is date and time
Identification code that generates data such as minute and tape counter values
ID code generator (hereinafter abbreviated as “IDG”)
11), so-called input / output functions can be changed at any time.
I / O device as programmable I / O means (hereinafter
Abbreviated as "PPI"), 12 is a plurality of push buttons (keys)
Keyboard (hereinafter referred to as “KB”)
Abbreviated), 13 is an 8-bit data bus, 14 is a large EL
(Electroluminescent device) etc. (hereinafter abbreviated as “DISP”)
15) Data size 8 bits, address size 16
A central processing unit (hereinafter referred to as a control means) having control bits.
16 is a 16-bit address bar.
17 is an address data having decode output terminals for S1 to S8.
The coder 18 stores the operation order of the CPU 15 and the like in advance.
Fixed storage device (hereinafter abbreviated as “ROM”), 19
Readable and writable storage device (“RAM”)
(Abbreviated). Note that IDR8 to PPI11 are externally mounted.
20a, KB12, DISP14, ROM18 and RAM19 to peripheral device 20b
It may be called. Next, these external device 20a, peripheral device 20b and CP
The configuration of U15 will be described in more detail.
AO is a 16-bit address to which one end of the address bus 16 is connected.
Address output terminal to output the address signal, R / W
Bus control signal that determines the data transfer direction of
The bus control output terminal and DIO are connected in parallel with the data bus 13.
Data input / output terminal. Address decoder 17 smell
AI is the address to which the upper 8 bits of address bus 16 are connected.
Address input terminals and S1 to S8 are decode output terminals
S1 to S1 corresponding to the address signal input to the
Configure so that the signal of one terminal of S8 becomes H level.
Has been established. External device 20a and peripheral device 20b
DIO, DO and DI are connected in parallel with data bus 13, respectively.
8 bit data input / output terminal, data output terminal and
And data input terminal, CS is the decoding of address decoder 17.
Chip select connected one-to-one with the output terminals S1 to S8
Input terminal and R / W are connected to the bus control output terminal R / W of CPU15.
Bus control input terminals connected in parallel, AI is the address bus
Address input connected in parallel with the lower 10 bits of
Terminal. In addition, it is applied to the chip select input terminal CS.
When the signal level becomes H, the input / output terminal DIO
Terminal DI and output terminal DO are electrically connected to data bus 13, respectively.
Connect and electrically separate when it goes to L level
It is configured. Decode output terminals S1 to S8
DISP14, KB12, PPI11, IDG10, IDW9, IDR8, ROM18 respectively
And connected to the chip select input terminal CS of RAM19
I have. That is, the decode signal is transmitted to the external device 20a and
Use of data bus 13 for any one of peripheral devices 20b
This is a signal that gives permission for use. Also, the bus control input terminal R /
When the signal applied to W goes high, the data bus 13
Data transfer direction is CP from external device 20a and peripheral device 20b.
Turn to U15, and when it becomes L level, it will be in the opposite direction
Is configured. Therefore, taking the RAM 19 as an example, this R
When storing data in AM19, the address
A predetermined address signal is output from the input terminal AO and the bus
Set the signal of the control output terminal R / W to L level and input / output data
Output the data to be stored from terminal DIO. address
The decoder 17 outputs the address signal output from the CPU 15
And set the signal at the decode output terminal S7 to the H level.
I do. The RAM 19 is connected to the chip select input terminal CS at H level.
Since the decode signal is applied, the data input / output terminal DIO
Is electrically connected to the data bus 13 so that the bus control signal
Data input / output terminal DIO
It is connected to an input circuit of a predetermined memory cell (not shown).
On the other hand, the address input to the address input terminal AI of the RAM 19 is
The predetermined memory cell is selected by a dress signal,
The data output from the CPU 15 is stored here.
Has been established. Also transfer data from RAM19 to CPU15
The only difference is that the bus control signal goes high.
Therefore, from the above-mentioned predetermined memory cell to the CPU 15
It is configured to output data. In PPI11, PA is set to output state and
Port terminal that outputs address signal (i), PB is output
Card control as data signal (h) set to state
The signal (h-1) is set to the output or input state and
Card status signal described later as the data signal (h)
Port terminal for inputting (h-2), CP1 is a gate signal
Control terminal that outputs (j), CP2 is enabled
Control terminal for outputting signal (k). Soshi
The card address signal (i), the card control signal
(H-1), gate signal (j) and enable signal
(K) composes the control information and sends the card status signal
The measurement condition information is constituted by the symbol (h-2). Although not shown, the port end is inside the PPI11.
Compatible with slave PA, PB and control terminals CP1, CP2
The data is written to this register.
Signal from the terminals PA, PB, DP1, and DP2
Can be output, and conversely, the data in the register
By reading, the contents of data input from outside
It is configured to let you know. Also port
Switching of the input / output state of the terminal PB is not shown,
A predetermined code is stored in the control register provided inside I11.
Can be switched by writing a control word.
It is configured to be able to. Although not shown, the key configuration of the KB12 is magnetic.
RECORD key to instruct recording on tape 1, magnetic tape 1
DIS key such as the STOP key and FWD key
F for instructing a predetermined operation corresponding to the content displayed on P14
1 key to F5 key, the above card status signal (h-2)
Key that instructs the recording of the ID code generated by IDG10
It consists of an ID key and the like for instructing recording. The ID code is, for example, a file number,
Number, tape counter or the date mentioned above
Minute / second timer, event time and user message
Other than the above tape counter and timer
Is configured to be manually input from KB12. So
Then, the CPU 15 sends the IDG 10
Set the counter and timer (not shown)
Instructions should be stored in the specified memory area of RAM19.
Is configured. And in the present embodiment, the predetermined ID
It is assumed that the code has been input from KB12. FIG. 2 shows a multipoint measuring system to which the present invention is applied.
Of measurement condition information generator in physical quantity measuring instrument
FIG. 2 is a block diagram illustrating an entire configuration. In FIG.
In this example, 21 is a Wheats with a strain gauge on each side.
Physical quantity with measurement bridge 21a consisting of ton bridge
-An electric quantity converter (hereinafter referred to as sensor), 22
A power supply circuit for supplying carrier power to the measurement bridge 21a.
You. 23 is an input amplifier circuit for receiving the output of the sensor 21,
The above measurement bridge is used in order not to disturb the measurement bridge 21a.
Input impedance sufficiently higher than the output resistance of the
Have 24 is after receiving the reference voltage from the power supply circuit 22
A predetermined calibration value voltage is generated by the control means described above.
Positive value generation circuit, 25 is the input amplification circuit 23
Receive the output, and at the time of calibration,
Received, and set to a predetermined gain by control means described later.
Carrier amplifier circuit including variable gain amplifier, etc.
Detection circuit that detects the output of the width circuit 25 and removes the carrier component
The circuit 27 receives the output of the detection circuit 26 and the calibration value generation circuit 24 and
Control means similar to that of the
Set to the cut-off frequency, and
Filter circuit that removes harmful frequency components from the
The signal level of the detected measurement signal can be adjusted as described above
An output circuit including a DC amplifier (not shown), 29
Is an analog output terminal connected to the output terminal of the output circuit 28.
is there. It should be noted that the portion 30 surrounded by a broken line is an analog signal.
It constitutes an analog circuit system as output means. 31a
Is the calibration value setting circuit, and 31b and 31c are
And a frequency setting circuit.
Setting circuit 31a, range setting circuit 31b, and frequency setting circuit 31c.
Thus, the measurement condition setting circuit 31 is configured. Also, (a-
1), (a-2) and (a-3) correspond to the setting circuits 31a.
Represents the analog circuit control signal which is the output of ~ 31c
I have. 32a, 32b and 32c are calibration value setting circuits 31 respectively.
a, manually set the range setting circuit 31b and the frequency setting circuit 31c
Manual setting consisting of push button switches for setting
It is a fixed part. 33a, 33b and 33c are the calibration value setting times, respectively.
Path 31a, range setting circuit 31b and frequency setting circuit 31c.
It is a display circuit for confirming a set value. 34a is analog
To identify the type of the sensor 21 that is the input of the switching circuit system 30
The type signal setting circuit consisting of digital switches of
For manually inputting a set value to the type signal setting circuit 34a.
It is a rotor. In FIG. 2, (b) shows the type signal setting time.
10 shows a type signal output from the path 34a. 35a to 35c are each
Receiving the analog circuit control signals (a-1) to (a-3)
BCD encoder to convert to binary-coded decimal code (BCD)
And enable or disable the output of this BCD encoder
Measurement condition information composed of a switchable buffer gate
A setting information output circuit as a report output circuit, (c-
1) to (c-3) are outputs of the setting information output circuits.
Represents the set value signal. These calibration value generation circuits 24
The wave amplification circuit 25 and the filter circuit 27 each set the calibration value
Circuit 31a, range setting circuit 31b, and frequency setting circuit 31c.
The generated analog circuit system control signals (a-1) to (a)
-3), the respective analog circuit control signals
(A-1) to operating conditions according to (a-3), that is, measuring conditions
Configuration. 36 has the type signal (b) from the type signal setting circuit 34a
Type signal output circuit that switches between valid and invalid
(B ') is a type signal output from the type signal output circuit 36.
No. 37a is a monitor for generating the monitor request signal (d).
Monitor request signal circuit 37a
The monitor switch to give. 38 is a setting information output circuit 35a to 35c and a type signal
A first common signal connected in parallel to the output terminal of the output circuit 36
A card bus line consisting of 4 bits as a line,
39 is an input terminal to which one end of this card bus line 38 is connected.
A signal line output circuit including a buffer gate. 40 is a calibration value setting circuit 31a, a range setting circuit 31b, a frequency
To remotely set the circuit 31c, or
For setting information output circuits 35a to 35c and type signal output circuit 36
To enable or disable each output
An output control circuit as a first control circuit. Fig. 2
(E) is output to each circuit of the measurement condition setting circuit 31
The setting pulse signal to be set, (f) indicates the setting information output circuit 35
a to 35c and output to the type signal output circuit 36.
This is the force ON-OFF signal. 41a is the output terminal of the signal line output circuit 39
Are input bus lines connected in parallel, and 41b is an output bus line.
The input terminal of the control circuit 40 is an output bus line connected in parallel.
The input bus line 41a and the output bus line 41b.
To form a second common signal line. 42 is the input bus line
One end of the output bus line 41b is connected to one end of the
A channel for controlling the signal line output circuit 39 and the output control circuit 40
(G) is an output control circuit with the signal line output circuit 39.
The channel ON-OFF signal given to the control circuit 40, 43
Connected to the channel control circuit 42 to exchange data with the outside
(H) is a data bus line
Data signal input or output from line 43, 44
Connected to the external channel control circuit 42 for external control
Address bus lines for transmitting signals, (i)
Card address externally applied to the address bus line 44 of the
The dress signal 45 is a gate signal connected to the channel control circuit 42.
(J) is externally applied to the gate terminal 45.
The gate signal 46a is a unit consisting of a one-digit digital switch.
Unit signal setting circuit, 46b is the unit signal setting circuit 4
Rotor for inputting set value (unit number) in 6a
47 receives the output of the unit signal setting circuit 46a,
A unit signal output circuit that switches between valid and invalid,
48 is a unit control connected to the unit signal output circuit 46a.
Control input terminal, (k) is connected to this unit control input terminal 48.
This is an enable signal applied from the unit. The above unit
The output end of the signal output circuit 47 is parallel to the data bus line 43
It is connected. (L) is output from the unit signal setting circuit 46a.
Unit signal (l ') is the unit signal (l)
Outputs from unit signal output circuit 47 have the same contents.
Since it is a force signal, it has the same name and
). In this embodiment, the unit
The content of the cut signal (l ') is "0". Also on
Data signal (h), card address signal (i),
Signal (j) and enable signal (k) from outside
Constitutes the given command signal, while this command signal
(H) to (k) show a read command signal and a remote setting command
Signal, and the read command signal is a type signal
The measurement condition reading command signal including the reading of (b ')
Unit read command signal for reading the reset signal (l ').
It becomes. On the other hand, 49 receives the output of the monitor request signal circuit 37a and
To select one output from the output of the analog circuit 30
The constant value output switching circuit 50 receives the output of the measurement value switching circuit 49.
Digital display with A / D converter for displaying measured values
It is a measured value display section consisting of: It should be noted that, in FIG.
The monitor section is composed of the part 51 surrounded by
Physical quantity measurement with other parts except the data part 51 and the sensor 21
A card 52 is formed as a container. Also one or
Amplifier unit with multiple cards 52 and one monitor unit 51
The unit 53 is constituted. In the present embodiment, 13
An amplifier unit 53 with a mode 52 and one monitor unit 51
Make up. As a connection relationship with FIG.
44 is a card address signal output terminal 4 and a data bus.
Line 43 is a data signal output terminal 5 and gate terminal 45 is a gate.
The output terminal 6 for the heat signal and the unit control input terminal 48
It is connected to the output terminal 7 of the enable signal. Although not shown, each card 52 has a digital
It is composed of switches, etc.
Card type signal generator set to
You. The output end is sent to the card bus line 38 for setting information.
Information output circuits 35a to 35c, etc.
On the other hand, the output ON-OFF signal output from the output control
Connected so that it can be forced. Therefore, measurement condition information
As in the setting information output circuits 35a to 35c.
Is output as a data signal (h)
It is configured so that it can be output to the IN 43. However
Card type generators are set by external control signals.
It cannot be specified. FIG. 3 shows an entire multi-point measurement system to which the present invention is applied.
FIG. 3 is a block diagram showing the configuration of FIG. In FIG. 3, 54 is
A strain gauge transducer represented by the sensor 21 of FIG. 2;
Multiple types and many sensors such as thermocouples and potentiometers
This is a sensor group consisting of sensors. However, in this embodiment,
For the sake of explanation, it is assumed that the sensor comprises 13 sensors. Follow
Thus, the capacity of the measurement channel is 13 channels. 55 is
The measurement condition setting circuit 31 and the type signal setting circuit 34 shown in FIG.
The measurement condition setting input, which collectively shows a, etc., is shown in FIG.
It is the data recorder shown. 53 is explained earlier.
However, it corresponds to each sensor type of the above sensor group 54
Amplifier unit 53 comprising the above-mentioned card 52 and the like.
You. And between the amplifier unit 53 and the data recorder 56
The signal display shows the direction of flow, so the quantity is simplified.
It is shown. (M) is an analog signal. FIG. 4 is a timing chart showing an operation waveform of each part in FIG.
It is a chart. In FIG. 4, (n) is a signal waveform.
No data recorder 56 to record on magnetic tape 1
Waveforms indicating the operation status of the row system, (CH1) to (CH14) are the first
~ Waveform with part of the 14th recording channel omitted, 57a ~ 5
7d is time-sequentially input to the first to thirteenth recording channels.
The channel identification signal consisting of the calibration value signal
Mode, t ₁ Is the time when the above RSK key of KB12 is pressed, t _Two Is magnetic
When tape 1 starts running, t _Three Is a note on magnetic tape 1.
When recording starts, t _Four And t _Five Are the above
At the start and end of recording of the channel identification signal, t ₆ Is magnetic
When the running of the air tape 1 is stopped, t ₇ Is magnetic tape 1
At the point of restart, t ₈ Is measured data, that is, analog
This is the time when recording of the signal (m) is started. FIG. 5 is a flowchart showing the operation sequence of FIG.
is there. The description of the configuration is omitted because it is the same as the operation description.
You. FIG. 6 shows an example in which the card status signal (h-2) is
Of data when encoded (converted) as one item of
It is a figure showing a column form. In Figure 6, 59 follows
Data is card status (measurement condition information).
The heading code consisting of five characters indicating
It consists of two characters indicating the number of the amplifier unit 53.
Unit code, 61 is the first measurement channel to be recorded.
A start code consisting of two characters indicating channels
, 62 indicates the last measurement channel to be recorded
END code consisting of two characters, 63 is two characters
This code is not used in this embodiment because
Absent. 64 is a chunk consisting of five characters 64a to 64e
The data code 64a is the data code of the card 52 shown in FIG.
Card type code indicating type, 64b indicates measurement range
Range code, 64c is a calibration value code indicating the calibration value, 64d is
A filter code indicating the cutoff frequency of the filter circuit 27
And 64e indicate the contents of the type signal (b) or (b ').
This is the type code. The above channel data code
64 is the measurement channel indicated by the start code 61,
That is, in this example, the channel data of the first measurement channel is used.
Data code. Therefore, 65 is partially omitted.
But with the channel data code of the second measurement channel
Yes, 66 is also abbreviated, but END code 6
The measurement channel indicated by 2, that is, the 13th measurement in this example
This is the channel data code of the channel. 67 is Uni
Unit END code 67 is “1”
Indicates that this is the end of the card status,
When “0”, the above card status of multiple amplifier units 53
It is configured to indicate that it is in the middle of Itas.
68 is the unit code 60 of the second amplifier unit 53
~ Unit END code 67
In the embodiment, one amplifier unit 53 is used, so each cord 68
not exist. FIG. 7 shows each of the channel data codes 64-66.
FIG. 7 is a diagram showing specific electrical contents corresponding to the modes 64b to 64e.
is there. The character "code" used in FIG.
Corresponds to channel data code 64-66, "RANGE" is measured
Range, "CAL" is calibration value, "LPF" is filter cut
The off frequency is shown. Also, "F" indicates a flat characteristic
ing. Although not shown in FIG. 7, the card type code 64
The content of a is, for example, “0” is a dynamic strain meter, “1” is a voltage
Type signal conditioner, "2" is current type signal conditioner
It is defined like a conditioner. So, for example
For example, the channel data code 64 shown in FIG.
Corresponding the contents using FIG. 7, the card type code
Since 64a is “0”, it is a dynamic strain measuring instrument as described above.
Since the range code 64b is “3”, “3” of the “code” and “RAN”
There is a number 500 at the intersection of `` GE '' and the measurement level
Indicates that it is set to 500 με, and the calibration value
Since code 64c is “2”, the intersection of “2” of “code” and “CAL”
Where the calibration value is 200 με
Indicates that it is set, and the filter code 64d is "1"
So, at the intersection of “1” of “Code” and “LPF”
1000 cuts off the cutoff frequency of the filter by 1000Hz
Is set to. Incidentally, the type signals (d) and (d) 'can be freely set by the operator.
It is configured so that it can be set to
The content of e is set in advance by the above operator.
Interpretation (correspondence) may be performed in accordance with the right. FIG. 8 shows a view of one character as a constituent unit of the ID signal.
FIG. 2 is a diagram showing a packet configuration, wherein FIG.
No., (q) is the clock pulse to be synthesized, and (p) is the synthesized clock pulse.
Data pulse to be applied. 69 is an 8-bit pre
Preamble identification signal called amble, 70 is parity
ASCII (ASCII) code consisting of 8 bits including bits
Or a predetermined meaning consisting of 8 bits
71 is called the postamble.
Is a post-identification signal.
It is composed of 71 parts. Also, preamble
In level 69, the upper 4 bits are low and the lower 4 bits are high.
On the other hand, the upper 4 bits of the post angle 71 are H level.
The lower 4 bits of the bell are configured to have an L level.
I have. Now, the operation of the present embodiment configured as described above will be described.
However, before that, the multi-point measurement system to which this embodiment is applied
(Fig. 3) and the measurement condition information generator (Fig. 2)
The operation will be described. First, in the above multi-point measurement system, the sensor group 54 includes an amplifier.
Card corresponding to each of the above sensors in unit 53
52 connected to the analog signal from each card 52
(M) is each recording channel of data recorder 56
Is recorded as measurement data. On the other hand, each of the above cards 52
The analog circuit system 30 in the
The optimum state is set for the measurement. And this
These measurement condition information are included in the card control signal (h-1) and the like.
Controlled and output as card status signal (h-2)
Automatically recorded on the 14th channel of the data recorder 56.
Is recorded. Therefore, even if it is simply calculated, the card type,
Measurement range, calibration value, filter cutoff frequency and
And five types of information are output from 13 cards 52
5 × 13 = 65 pieces of information in an instant without human intervention
You can record directly, save time and prevent human error
It is. In addition to the above 65 pieces of information, the unit signal
(L ') One is added. In this embodiment, the amplifier unit
Although only one unit 53 is used, this amplifier unit 53
If three were used, (65 + 1) × 3 = 198
Information. At this time, the analog data
The number of signals (m) is only 13 × 3 = 39. In other words, 39
At least 198 measurement condition information to obtain measurement data
Is necessary. Now, the operation of the measurement condition information generating apparatus shown in FIG.
Is described. Operate the manual setting units 32a to 32c to set the measurement conditions.
Condition setting circuit 31, that is, calibration value setting circuit 31a, range setting
Setting circuit 31b and frequency setting circuit 31c
Check the desired condition (measurement
Condition). Output from the measurement condition setting circuit 31
Analog circuit control signals (a-1) to
(A-3) shows the calibration value generation circuit 24 and the carrier wave amplification, respectively.
Input to the circuit 25 and the filter circuit 27.
Switching the circuit elements of the circuit according to the above measurement conditions
Therefore, the measurement condition of the analog circuit system 30, that is, the operation state
As well as each setting as a measurement condition information output circuit.
Input to the constant information output circuits 35a to 35c,
Setting as measurement condition information in the report output circuits 35a to 35c
It is converted into value signals (c-1) to (c-3). Also rotate
The type signal setting circuit 34a outputs the type
Another signal (b) is output and input to the classification signal output circuit 36.
You. When the monitor switch 37b is turned ON, the monitor
The monitor request signal (d) from the signal request circuit 37a outputs the measured value.
Is input to the force switching circuit 49, and the corresponding channel (shown in FIG.
Output signal of analog circuit 30 of channel 1)
Is selected and displayed on the measured value display section 50. On the other hand, in the monitor section 51, the operation of the rotor 46b is performed.
When the unit signal setting circuit 46a is set
A unit signal (l) is output from the signal setting circuit 46a,
The signal is input to the unit signal output circuit 47. Next, the above-mentioned command signal is transferred to the address bus line 4.
4, Gate terminal 45, unit control input terminal 48 respectively
Measurement conditions including type signal (b ') by applying
Information or unit signal (l ') can be read and
That the measurement conditions of the analog circuit system can be set from
I will explain. First, a unit read command signal is used as the command signal.
When the voltage is applied, the unit signal output circuit 47 is activated and the unit
A reset signal (l ') is sent out on the data bus line 43,
The unit signal (l ') is a data signal (h), i.e.,
As the card status signal (h-2),
It can be read from the recorder 56). Next, when the measurement condition read command signal is applied,
Address signal (i) and gate signal (j).
The channel control circuit 42 operates, and the channel ON-OFF signal
According to (g), the output control circuit 40 and the
The signal line output circuit 39 operates. Via output bus line 41b
Signal (h) transmitted as a signal, ie, a card control signal
By the number (h-1), the output control circuit 40
Setting information output circuits 35a to 35c corresponding to the control signal (h-2)
Or one of the type signal output circuits 36
Outputs the output ON-OFF signal (f). And, for example, settings
The information output circuit 35a is activated by the output ON-OFF signal (f).
If specified, the set value signal (c-1) of the calibration value is
The data is sent to the bus 38. Card bus line 38
The transmitted set value signal (c-1) is a signal line output signal.
Channel 39, channel control circuit 4 via input bus line 41a
2 where the gate signal (j) is set to the H level.
By switching, the data from the channel control circuit 42 is
The above set value signal (c-1) is
Signal (h), that is, a card status signal (h-2)
Is sent as It is then a component of the command signal
Data signal (h), that is, card control signal (h-1)
By updating and repeating the same operation as above
Value signal (c-2), (c-3) or type signal (b ')
Can be read. Next, a remote setting command signal is given.
And the gate signal (j) and the card address signal (i)
Therefore, the channel control circuit 42 is operated, and the card
Channel for channel corresponding to dress signal (i)
The ON-OFF signal (g) is output and this channel ON-OFF signal is output.
Signal line output circuit 39 of the channel receiving the signal (g)
The output control circuit 40 is activated while the gate signal (j)
Therefore, the data signal (h) is transmitted through the channel control circuit 42.
It is sent out on the output bus line 41b. This output bus line
The output control circuit 40 receives the data signal (h) on the
The data signal (h), that is, the card control signal (h-
According to the content of 1), the calibration value setting circuit 31a, the range setting
Circuit 31b or frequency setting circuit 31c.
The constant pulse signal (e) is output. This setting pulse signal
The measurement condition setting circuit 31 receiving (e) sets the measurement condition
(Setting state) is updated by one. That is, for example, the measurement
The condition setting circuit 31 is the calibration value setting circuit 31a and the above setting
The setting state before receiving the pulse signal (e) is 50 με
Then, upon receiving the setting pulse signal (e), the setting state
One state is updated to 100 με. After this,
The above operation may be repeated until the condition is reached. In addition, this
Operation by remote setting command signal
The measurement condition read command signal and the
And operation by the unit read command signal.
It is called a constant condition reading operation and a unit reading operation. Now, the operation of this embodiment will be described with reference to the flowchart of FIG.
And the timing chart of FIG. 5 will be mainly described.
The first measurement channel, the start channel, is the first
Channel, END channel, the last measurement channel
Channel 13 and one unit.
Stored in RAM19 by CPU15 via KB12
Shall be. The flowchart shown in Fig. 5 starts with START
Starts and the RSK key is pressed in the conditional branch of "RSK ON?"
Check if it is pressed, and if not pressed,
And then proceed to “other processing”, for example, processing such as control of the traveling system.
And go back to the beginning again. RSK key is pressed
If yes, branch to YES and "Get card status"
Advance time t <sub>1</sub> Card statuser from amplifier unit 53
CPU (measurement condition information) by the CPU 15 via the PPI 11
The reading operation and the measurement condition reading operation
Store it in RAM 19 by performing on knit 53
Can be That is, the CPU 15 sets the port terminal PB to
Set to input, and then use the output signal of control terminal CP2.
A certain enable signal (k) is set to H level. The result
As a result, as described above, the unit signal (l ') is
Output to the line 43 and output as a data signal (h) to the card
Status signal (h-2) enters port terminal PB of PPI11
Is forced. CPU 15 is a card stay that indicates the unit number.
The status signal (h-2) is read and stored in the RAM 19. Less than
In the same way, the card
Address signal (i), card control signal (h-1),
Signal (j) and enable signal (k) via PPI11
And sequentially store the card status in RAM19.
You. Next, proceed to “Display Operation” and the contents stored in the RAM 19 described above.
Is displayed on DISP14, and the process proceeds to “Record?”. In this conditional branch
Checks whether the ID key of KB12 is pressed and presses it.
If not, branch to NO and return to the first loop.
At time t <sub>Two</sub> Leads to. When the ID key is pressed,
Convert to code "
Data in the data array shown in FIG. 6 and output to IDW9.
Be prepared. Then, proceed to “tape start” and time t <sub>Two</sub> In
And the magnetic tape 1 starts running, and the next condition branch “constant speed”
Running? The magnetic tape 1 runs at a constant speed in a loop including
Continue to check whether or not
Go to "Card Status Record" <sub>Three</sub> More 14th channel
Record the above card status on the recording channel of the
Start. That is, they are arranged in the RAM 19 as shown in FIG.
Card status data is sent to IDW9, where
The character is converted to a pulse sequence as shown in FIG.
Then, a composite signal (o) is output. This composite signal (o)
Is modulated by the recording system circuit 2 and magnetically transmitted through the recording head 2a.
ID code 58 (Fig. 4) on the 14th channel of the magnetic tape 1
Recorded. These operations are described in the next “Status EN
All recording channels of all amplifier units by conditional branch of "D?"
Until the recording of is completed, the process branches to NO and continues. Record
When the recording of the card status data to be completed is completed, the next
Proceed to “Record channel identification signal”. This behavior is
t <sub>Four</sub> Readout of measured value from above and remote setting operation
Is repeated from channel 1 to channel 13.
Can be realized by That is, after the waiting time T / 2, the PPI
Data specifying the first channel from 11 port terminals PA
Output, and then set port terminal PB to the output state,
The data designating the positive value setting circuit 31a is sent to the card control signal
Output as (h-1). And stored in RAM19 first
Of the first channel in the card status data
Compared to the positive value, the calibration value generation circuit 24 of the first channel
From the output control circuit 40 necessary to maximize the calibration value
Determine the number of setting pulse signals (e) to be output, and
Gate signal (j) is set to L level by roll terminal CP1
First, the setting pulse signal (e) is set to the H level. next
Set the card control signal (h-1) to zero once and gate
The signal (j) is changed from the current L level to the H level, and
The set pulse signal (e) to the L level.
To By this series of control, one set pulse signal
(E) is output. And only for the required number of minutes
Repeat the above operation to output the set pulse signal (e) and calibrate
Set the calibration value output from the value generation circuit 24 to the maximum value.
You. This state is maintained for the time T / 2. Below car
Address signal from channel 1 to channel 13.
, And perform the same operation as described above.
Output of each calibration value generation circuit 24 from channel 13 to channel 13
To the maximum value. Calibration value set to this maximum value
Is analog output via the carrier amplifier circuit 25 to the output circuit 28.
Analog input terminal output from the input terminal 29 and shown in FIG.
Applied to 2b. As a result, each recording channel in FIG.
As shown in waveforms (CH1) to (CH13),
The separate signals 57a to 57d are transmitted through the recording system circuit 2 and the recording head 2a.
To the corresponding recording channel on the magnetic tape 1
It is recorded as a sequence of analog signals. Next, "Chang
Channel identification signal 57a to 5
When the recording of 7d is completed, the process branches to YES and the next
Go to `` G '' and set each calibration value set to the maximum value as described above.
First, the card status data stored in the RAM 19
Reset to the initial state with reference to the calibration values. Next, stop the tape running system with "tape stop",
The "stop?" Clause states that the inertial motion has completely stopped.
Check at the case branch and time t ₆ Return to the first loop. Only
After that, when the RECORD key and the driving FWD key are pressed,
Point t ₇ The tape starts running from time t ₈ At constant speed
Automatically reaches the measurement data on each recording channel.
Be recorded. ID codes other than the above card status are classified
Is the same ID code, but it is not
Since it cannot be shown in the flowchart of FIG. 5, it has been omitted. M
It is recorded in parallel with the margin measurement data, so
In other words, it is closer to thinking that it is included in "other processing". As described above, in this embodiment, the multi-point measurement system is used.
Of the analog circuit system 30 of each card 52 of the amplifier unit 53
Use each setting condition (card status) as an ID code
Automatically writes to channel 14 on tape 1 with one touch
It is configured to record the measurement
Mistakes, wrong entries, forgets to record, etc.
Confidence in measurement data without any human error
Properties can be dramatically improved. In addition, as mentioned earlier, only 13 measurement data
To obtain at least 65 pieces of measurement condition information.
This can be done by writing or voice memo each time
Saves labor and speeds up measurement work
realizable. In addition, the recorded measurement data can be played back with a data recorder.
And analyze the phenomenon with a large computer, etc.
Need to manually enter the measurement conditions each time
No, in a series of work → measurement → record → analysis,
The recorded measurement condition information can be used.
Data can be fully utilized. Also, a channel identification signal is recorded for each measurement channel and each
Recording channels can be recorded in a one-to-one correspondence.
Each analog output terminal of the amplifier unit 53
29 and the connection order between each analog input terminal 2b of the data recorder
The order can be confirmed, and incorrect connection can be reliably prevented. It should be noted that the present invention is not limited to the above-described embodiment.
Various modifications are possible without departing from the gist of the invention.
Noh. For example, the recording status of the card status on the magnetic tape 1
The position is not limited to the position before recording the measurement data.
After recording the measurement data, or both before and after
No. Also, in the flowchart of FIG.
After omitting the conditional branch and pressing the RSK key,
Itas may be recorded automatically,
Omit conditional branches of "tape stop" and "stop?"
After recording the channel identification signal, the measurement data
It may be recorded dynamically. A general-purpose interface is connected to the data bus 13 in FIG.
(For example, GP-IB, RS-232C, etc.)
Data recorder 56 and amplifier unit
And 53 may be connected. That is, as shown in FIG. 9, the analog signal (m)
Are the amplifier unit 53 and the data recorder as in FIG.
56 and the card status signal (h-1) or
The card control signal (h-2) is set in the data recorder 56.
Through the general-purpose interface 72
Amplifier unit 53 and data by controller 73
You may comprise so that it may transfer to the recorder 56. This place
In this case, acquisition of measurement data can be automated. In addition,
Similarly, a printer may be connected to the data bus 13. The CPU 15 has a data size of 8 bits and an address
Data size is not limited to 16 bits,
Alternatively, an optimal one such as 32 bits may be selected. The total number of measurement channels and recording channels
Is not limited to 14 channels.
Optional as long as the channel and measurement channel correspond one-to-one
Number of channels. Partial deletion of measurement data is allowed.
Measurement data on the 14th channel for recording the ID code.
Data may be entered. Also record the ID code
The channel is not limited to the 14th channel.
If the recording channel is on Group 1, select any channel
May be. (E) Effects As described in detail above, according to the present invention, the physical quantity
The set measurement conditions are converted into digital data consisting of multiple bits.
As a signal, one pair with the measurement data output signal of the physical quantity measuring instrument
It can be automatically input and recorded on the recording medium corresponding to 1.
Configuration, so that measurement conditions can be artificially changed as in the past.
No need to record, so no human error
Measurement, saves labor and speeds up measurement work, and relies on measurement data
Measurement performance after completion of measurement work.
Labor saving in processing such as organizing and analyzing constant data,
Magnetism for faster and more reliable measurement data
Provide a measurement condition information recording device in a recording replay device
be able to.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a configuration of an embodiment of a measurement condition information recording device in a magnetic recording / reproducing device according to the present invention;
FIG. 2 is a block diagram showing a circuit configuration of an embodiment of a measurement condition information generating device in a physical quantity measuring device to which the present invention is applied, and FIG. 3 is a block diagram of a multipoint measuring system to which the present invention is applied. , FIG. 4 is a timing chart showing operation waveforms of respective parts in FIG. 1, FIG. 5 is a flowchart showing an operation sequence of FIG. 1, and FIG. 6 is a view showing an array format of data of measurement condition information. , FIG. 7 is a diagram showing the electrical contents of the channel data code, FIG. 8 is a diagram showing a bit arrangement of a character which is a constituent unit of the identification code, and FIG. 9 is a structure of a modification of FIG. FIG. 1 magnetic tape, 2 recording circuit, 2a recording head, 2b analog input terminal, 3 reproduction circuit, 3a
... reproduction head, 3b ... reproduction output terminal, 4 ... output terminal of card address signal, 5 ... input / output terminal of data signal, 6 ...
... Gate signal output terminal, 7 ... Enable signal output terminal, 8 ... ID code reading circuit (IDR), 9 ... ID code writing circuit, (IDW), 10 ... ID code generation circuit (I
DG), 11 ... I / O device (PPI), 12 ... Keyboard (K
B), 13… Data bus, 14… Display (DISP), 15…
... Central processing unit (CPU), 16 ... Address bus, 17
…… Address decoder, 18 …… Fixed storage device (ROM), 1
9: Read / write storage device (RAM), 20a: External device, 20b: Peripheral device, 21: Physical quantity-electric quantity converter, 2
4 ... Calibration value generation circuit, 25 ... Carrier amplifier circuit, 27 ...
Filter circuit, 29: Analog output terminal, 30: Analog circuit system, 31: Measurement condition setting circuit, 32a to 32c: Manual setting unit, 34a: Type signal setting circuit, 35a to 35c: Setting information output Circuit, 36 ... Type signal output circuit, 39 ... Signal line output circuit, 40 ... Output control circuit, 42 ... Channel control circuit, 51 ... Monitor unit, 52 ... Card, 53 ... Amplifier unit, 54 …… Sensor group, 56 …… Data recorder, 72…
… General purpose interface, 73 …… Data controller.

   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Shinji Kuboji               3-5-1 Chofugaoka, Chofu City 1 Stock Association               Inside Kyowa Dengyo (72) Inventor Takeo Terano               3-5-1 Chofugaoka, Chofu City 1 Stock Association               Inside Kyowa Dengyo                (56) References JP-A-48-97515 (JP, A)                 JP-A-54-160264 (JP, A)                 JP-A-60-3558 (JP, A)                 Shokai Sho 57-144066 (JP, U)

Claims (1)

(57) [Claims] A measurement condition information generator for outputting measurement conditions such as types of amplifiers, measurement ranges, and calibration values for each of a large number of measurement channels as measurement condition information; a measurement signal corresponding to each of the measurement channels on a one-to-one basis; An identification signal generation unit that is connected to a physical quantity measuring device having an analog signal output unit that outputs a value signal and that encodes and outputs data including a plurality of items such as a measurement date and time and a tape counter value; Recording means for recording the identification code output from the identification code generation means on a designated recording channel among a number of recording channels on a medium, and recording the measurement signal and the signal of the calibration value on the recording channel; A magnetic recording / reproducing apparatus for receiving the measurement condition information and controlling the measurement condition information generator. Input / output means for outputting control information of the above, conversion means for converting the measurement condition information into a format suitable for the identification code, storage means for temporarily storing the output of the conversion means, and control of the respective means And an externally operable instruction input means for giving an instruction to the control means. The contents stored in the storage means are recorded as one item constituting the identification code through the recording means. Recording on the designated recording channel, and further according to the control information, the analog signal output means sequentially outputs a signal of the calibration value of a predetermined amplitude as a time-series channel identification signal for a predetermined time, and outputs the channel identification signal. By sequentially recording on each of the recording channels via the recording means, it is possible to identify the correspondence between each recording channel and each of the measurement channels. Measurement condition information recording apparatus in a magnetic recording and reproducing apparatus characterized by being configured to.