Mitsubishi QCPU (Q Mode), Руководство пользователя

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MELSEC-Q
7 FUNCTION
7 FUNCTION
Function of High Performance model QCPU module is as follows:
7.1 Function List
Functions of High Performance model QCPU are listed below:
Item Description Reference section
Constant scan This function executes the program in a set time interval regardless of the program scan time. Section 7.2
Latch function This function maintains the device data when performing the reset operation during power off. Section 7.3
Output status selection function for
transition from STOP status to RUN
status
This function selects the output Y status (output before STOP/output after the calculation execution)
when the CPU module is set from STOP status to RUN status.
Section 7.4
Clock function This function executes the CPU module internal clock. Section 7.5
Remote operation This function operates the CPU module from a remote place. Section 7.6
Remote RUN/STOP This function stops and starts operating the CPU module. Section 7.6.1
Remote PAUSE This function stops the CPU module operation while retaining the output (Y) of the CPU module. Section 7.6.2
Remote RESET This function resets the CPU module when the CPU module is in a STOP status. Section 7.6.3
Remote latch clear This function clears the latch data of the CPU module when the CPU module is in a STOP status. Section 7.6.4
Input response time selection for
input module compatible with Q
Series
The response time of the input module compatible with Q Series can be selected from 1 ms, 5 ms,
10 ms, 20 ms and 70 ms with this function. (Default: 10 ms)
Section 7.7.1
Input response time selection for high
speed input module compatible with
Q Series
The response time of the high speed input module compatible with Q Series can be selected from
0.1 ms, 0.2 ms, 0.4 ms, 0.6 ms and 1 ms with this function. (Default: 0.2 ms)
Section 7.7.2
Input response time selection for
interrupt module compatible with Q
Series
The response time of the interrupt module compatible with Q Series can be selected from 0.1 ms,
0.2 ms, 0.4 ms, 0.6 ms and 1 ms with this function. (Default: 0.2 ms)
Section 7.7.3
Switch setting of intelligent function
module compatible with Q Series
Use this function for various settings of the intelligent function module. (Refer to each intelligent
function module for the details of the setting.)
Section 7.8
Monitoring function
This function monitors the status of programs and devices on the CPU module by operating from
the GX Developer.
Section 7.9
Set monitor conditions This function monitors using a fine timing of the CPU module. Section 7.9.1
Monitor/test local Devices
This function monitors and/or tests the local devices of the designated program using the GX
Developer.
Section 7.9.2
Turn ON/OFF external I/O This function forcibly turns the external I/O of the CPU module on or off from the GX Developer. Section 7.9.3
Write during RUN This function writes programs when the CPU module is in the RUN status. Section 7.10
Measure execution time
This function displays the processing time of a program being executed, the number of times to
execute an interrupt program, and the execution time of a program.
Section 7.11
Program list monitor This function displays the processing time of a program being executed. Section 7.11.1
Interrupt program monitor This function displays the number of times to execute an interrupt program. Section 7.11.2
Scan time measurement This function measures the execution time of a program between selected steps. Section 7.11.3
Sampling trace function This function samples specified device data from the CPU module at a specified timing. Section 7.12
Multiple-user debugging function This function enables multiple users to debug programs by using several GX Developers. Section 7.13
Watch dog timer This function monitors operational delays caused by CPU module's hardware and program errors. Section 7.14
Self-Diagnosis function This function enables the CPU module to check for failures. Section 7.15
Failure history This function stores a failure history of diagnosis results in the memory. Section 7.16
System protect
This function prevents the programs from being modified from GX Developer, serial communication
module or like.
Section 7.17
Password registration
This function provides read/write protection for files stored in the CPU module against access from
the GX Developer.
Section 7.17.1
Remote password
A function to prevent illegal access from external sources with serial communication modules and
Ethernet modules.
Section 7.17.2
System display This function connects to the GX Developer and monitors system configuration. Section 7.18
LED display This function enables the front-mounted LEDs to indicate the operating conditions of the CPU module. Section 7.19
LED display This function indicates the normal or abnormal operating conditions of the CPU module. Section 7.19.1
Preference setting This function sets failure preferences to turn off LED displays. Section 7.19.2
High speed interrupt function
This function executes an interrupt program by fixed scan interrupt at 0.2ms to 1.0ms intervals
using the interrupt pointer I49.
Section 7.20
Module service interval time read
This function monitors the access interval time (time between the access acceptance of the CPU
module and the next access acceptance) of the intelligent function module, network module or
peripheral device.
Section 7.21
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