JPS6034122B2 - How to set delay time in information processing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for setting a delay time in an information processing device.

Conventionally, in a control system using an information processing device, that is, a computer or a computer-like device such as a microcontroller or a sequence controller, the following two methods are generally used to set a delay time during control.

'1} Set in a program written in the exclusive language of the control device, and thereby set the delay time electronically.

■ A separate electrical or mechanical timer is provided, and its contacts are used as inputs to the control device to generate a delay time.

Generally, when a control system is automatically controlled using a control device, some of the time delay elements in the program must be changed depending on various requirements such as the adjustment stage or the actual operating status of the device. There is. However, in order to maintain control characteristics, there are also time delay elements that must be prevented from being set incorrectly or from being easily changed by a person with insufficient skill. However, in a control device using a conventional computer or similar device,
Only one of the two time setting methods described above (1) or ■ is used, and therefore the above (
If only the 1l method is used, careless adjustment changes and adjustment deviations can be prevented, but if the delay time setting needs to be changed during the test stage, the program must be modified each time, which is very inconvenient. there were. In addition, if only method (■) above is used, it will be easier to make adjustments during the test, but there will be a risk of misconfiguration or misalignment of settings that do not need to be changed or settings that should not be changed much. There was a lot of dust which increased. The present invention has been made in view of the above points, and includes: a means for setting the delay time and determining its specifications by a program; a means for setting the delay time and determining its specifications by a digital switch; The gist of the invention is to have a means for selecting and determining whether the setting is performed by a program or by a digital switch, and the means for setting the delay time can be selected depending on the nature and purpose of the time delay element, and the means for setting the delay time can be selected according to the nature and purpose of the time delay element. It is an object of the present invention to provide a method for setting a delay time in an information processing device that facilitates adjustment and prevents misconfiguration or setting deviation for time delay elements that do not require much change.

An embodiment of the present invention will be described below with reference to the drawings. The present invention allows the delay time to be set using a program and a digital switch, and also allows the program to select and determine whether to set the delay time using a program or a digital switch. Further, when setting the delay time by a program, the specification, that is, whether it is an on-delay or an off-delay, is determined by the program. On the other hand, when setting the delay time using a digital switch, the selection of on-delay or off-delay is determined by the digital switch. The above digital switch is used in place of a conventional timer to improve reliability. FIG. 1 is a flowchart showing the method of the present invention. First, when a time delay instruction is issued for the first time, in step A, the contents of the accumulator are placed in the temporary storage bit of the bit specified by the address field. Next, proceeding to step B, it is determined whether the delay time is to be set by a program or by a digital switch. As a result, if it is determined to be set by the program, proceed to step C.
Read the delay time and delay specifications set in the program, and set the delay time in the counter as shown in step D. If it is determined in step B that the digital switch is to be used, the process proceeds to step E, where the specifications of the digital switch time and delay set by the digital switch are read, and in step D, the number of delay times is set in the counter. When data is set in this counter, it is determined in step F' whether the contents of the counter are 0 or not. As a result of this judgment, the counter content is 0.
If not, the process proceeds to step G, where a certain value N is subtracted from the contents of the counter. This value N is a positive real number or a positive integer. When the subtraction operation in step G is completed, the process returns to step F to determine whether the counter content is 0 or not. The above steps F and G are performed continuously until the counter contents become 0. However, the above F
In step A, if it is determined that the counter content is 0, the process advances to step day, and the content of the temporary storage memory shown in step A is put into the output memory bit and output, and the delay operation ends. Next, a specific embodiment of the present invention will be described with reference to FIG.

In FIG. 2, reference numeral 11 denotes a program memory in which various commands such as delay commands (on-delay), non-delay commands (off-delay), and commands for specifying whether the delay time is to be set by a program or by a digital switch are stored. There is. Reference numeral 12 denotes a control signal generator which exchanges data with the program memory and sends out to line L a switching signal indicating whether the delay time is set by a program or by a digital switch.

Reference numeral 13 denotes an address section which is controlled by the control signal generator 12 and generates address designation signals for various memories.

Reference numeral 14 denotes a temporary storage memory for temporarily storing a signal to be delayed (timer signal) from the program memory.

Reference numeral 15 denotes a group of digital switches, which are used to set delay times for time delay elements whose delay times must be changed.

Reference numeral 16 denotes a switching switch, and its one fixed contact a is supplied with a delay time signal set by the program from the program memory 1, and the other fixed contact b is supplied with a delay time signal set by a digital switch 15. ing.

17 is a counter which performs n-ary subtraction on the input.

The output is input to the drop determination circuit 18. Incidentally, if the output of the zero determination circuit 18 is zero, it acts as a read command signal to the output memory 19 from the temporary storage memory 14, and if it is not zero, the counter output is inputted to the set terminal of the counter memory 17 again. In the above device, when a delay command signal for setting a delay time is issued by the current program, the control signal generator 12 switches the switching switch 16 to the contact a side.

Therefore, the delay time signal set by the program is input to the counter memory 17. On the other hand, the timer number is input from the program memory 11 to the temporary storage memory 14.
The address signal is output by the address section 13 upon receiving a command from the control signal generator 12. Now counter memory 17
The value set is subtracted in n-ary, and when it reaches zero, the zero determination circuit 8 sends an output to the output memory 19, reads out the timer number recorded in the temporary memory 4, and inputs it to the output memory 19.

The output of the output memory 19 is timely controlled by the control signal generator 12 and is made into a delayed stop command signal. Next, when a command to set the delay time using the digital switch is generated, the control signal generator 12 switches the changeover switch 16 to the contact b side.

Therefore, the delay time signal set by the digital switch group 15 is input to the set terminal of the counter memory 17. The subsequent operation is the same as that for the program setting delay time described above, and will therefore be omitted. In this way, in the present invention, the delay time can be set using either the program or the digital switch, and the program selects and determines whether the delay time is set using the program or the digital switch. For example, time delay elements whose settings do not need to be changed or whose settings should not be changed much should be set in the program, and must be changed depending on various requirements such as during the adjustment stage or the actual operating situation of the equipment. For time delay elements that do not need to be changed, it is extremely easy to adjust them during testing by using digital switches to set them. This prevents an inadequate person from changing the setting values easily, and reliability can be improved. As described above, according to the present invention, there are provided a means for setting the delay time and determining its specifications using a program, a means for setting the delay time and determining its specifications using a digital switch, and a means for setting the delay time and determining its specifications using a digital switch. The gist of the system is to have a means for selecting and deciding whether to perform it programmatically or digitally, so that the means for setting the delay time can be selected depending on the nature and purpose of the time delay element, and the adjustment of the delay time can be adjusted. It is possible to provide a method for setting a delay time in an information processing device that is easy to use and that does not require much change and can prevent misconfiguration or setting deviation for time delay elements.

[Brief explanation of the drawing]

FIG. 1 is a flowchart for explaining the method of the present invention,
FIG. 2 is a circuit configuration diagram showing an embodiment of the present invention. Figure 2 Figure 1

Claims (1)

[Claims] 1 Equipped with means for setting the delay time and determining its specifications using a program, and means for setting the delay time and determining its specifications using a digital switch. 1. A method for setting a delay time in an information processing apparatus, characterized in that a program selects and decides whether to perform a delay time.