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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
Interrupting the PLC CPU
Control table format definition
Element position
Item
Description
Format 1
Format 2
%(0)
• • • • • • •
Station number
Specify the station number of the PLC.
%(0)
Control table
Specify a control table of format 2.
%(1)
Network number
Specify the network number.
%(2)
Station number
Specify the station number of the PLC.
%(3)
Detailed error code
Detailed error codes are stored here.
Processing Code 20
%(1)
%(4)
Processing code
Specify the processing code.
• It is possible to interrupt the PLC CPU of the station on which the communication
module is mounted using this code.
• Specify the following data for <control table>.
Format 1 control table
%(0)
• • • • • •
Always specify the self station (255).
%(1)
• • • • • •
Processing code
• Specify 20.
Format 2 control table
%(0)
• • • • • •
Format 2 control table
• Specify 256.
%(1)
• • • • • •
Always specify network number 1 (1).
%(2)
• • • • • •
Always specify the self station (255).
%(3)
• • • • • •
Detailed error codes are stored here.
See Appendix 4.4.2 for the details about the error codes.
%(4)
• • • • • •
Processing code
• Specify 20.
• Specify a dummy variable or array for <storage area for data to be written>. The
analysis is carried out irrespective of the kind of variable or array used. The
variable or array specified for <storage area for data to be written> is not
changed by the execution of the operation.