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MELSEC-Q
11 INSTRUCTIONS AND FUNCTIONS
Reading routing parameters
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 22
%(1)
%(4)
Processing code
Specify the processing code.
• This code reads the routing parameters of an accessed station.
• Specify the following data for <control table>.
Format 1 control table
%(0)
• • • • • •
Specify the station number of the PLC CPU from which
data is to be read.
See Section 4.2.2 for the allowable specification range.
%(1)
• • • • • •
Processing code
• Specify 22.
Format 2 control table
%(0)
• • • • • •
Format 2 control table
• Specify 256.
%(1)
• • • • • •
Specify the number of the network to be accessed.
See Section 4.2.2 for the allowable specification range.
%(2)
• • • • • •
Specify the station number of the PLC CPU from which
data is to be read.
See Section 4.2.2 for the allowable specification range.
%(3)
• • • • • •
Detailed error codes are stored here.
See Appendix 4.4.2 for the details about the error codes.
%(4)
• • • • • •
Processing code
• Specify 22.
• The following information is read to <storage area for data read>.
(1) Number of routing parameter settings
(2) Destination network number
(3) Relay network number
(4) Relay network station number
Information for items (2) to (4) is read for the number of routing parameter settings.
• Even if the capacity of <storage area for data read> is smaller than the number of
data, this code ends normally without generating an error.
Define arrays larger than the necessary amount of data.
