Device Monitor Function; About The Device Monitor Function - Mitsubishi Electric Fatec GOT2000 Series Basic Training Textbook

6.4 Device monitor function

6.4.1

About the device monitor function

(1) Features
The device monitor function monitors and changes the devices of a PLC CPU or an intelligent module.
With this function, you can troubleshoot the system and streamline maintenance.
(2) Monitoring method available with system monitor function
Monitoring method
Entry monitor
Batch monitor
TC monitor
BM (buffer memory)
monitor
(3) Test operations
With the device monitor function, the following data changes are possible by performing test operations.
• Testing a bit device
A device specified by the user is turned ON and OFF.
• Testing a word device
A specified value is written to a device specified by the user. (Real number data is not allowed.)
• Testing a timer/counter
Specified values are written as the present and set values of a device specified by the user.
• Testing buffer memory
A specified value is written to buffer memory specified by the user.
Test menu screen
Registers devices to be monitored in advance and monitors only the registered devices.
Collectively monitors the devices starting from the user-specified one.
Monitors timers (T) and counters (C) only.
Monitors the current values, set values, contacts, and coils of timers, counters, and retentive
timers of a PLC CPU in a batch.
Monitors the buffer memories of a special function module.
Monitors the buffer memories of an intelligent module in a batch.
Description
6. About debug
6.4 Device monitor function
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