Checking The Safety Circuit By The Plc Unit - Panasonic AFP7MC16EC User Manual

Data Transfer to MC Unit and Test Operation

6.3.3 Checking the Safety Circuit by the PLC Unit

Procedure 1
Check if the input of the over limit switches connected to the servo amplifier is loaded to FP7
MC Unit by operating them forcibly.
Points to check
Check if the limit setting is enabled, input logic is correct in the parameter setting menu of CMI.
Procedure 2
Check if the limit stop is activated at the time of limit input by the tool operation function of
CMI or performing the JOG operation with a program.
Procedure 3
Using the JOG operation, check if the over limit switch is functioning properly.
 Operation at Over limit input (Limit is Enabled)
Condition
When JOG operation is
started
During JOG operation
6-6
Direction Limit status
Over limit input (+): ON
Forward
Over limit input (-): ON
Over limit input (+): ON
Reverse
Over limit input (-): ON
Forward Over limit input (+): ON
Reverse Over limit input (-): ON
Operation
Not executable, Error occurs.
Executable
Executable
Not executable, Error occurs.
Limit stops, Error occurs.
Limit stops, Error occurs.