Mitsubishi Electric MELSEC-Q/L Programming Manual page 826

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Operation error

• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.

Error details

The module specified with the head I/O number is not a network module or

intelligent function module.

The specified network number is not connected to the host station.

The module specified with the head I/O number is not a network module or

intelligent function module.

*1 This error applies to modules whose first five digits of the serial number is "13012" or later.

To perform only communication with external devices, use the COM instruction (Page 487 Refresh, Page

489 Select refresh (COM)).

Program example

• The following program conducts a link refresh for the network module of network No. 6 while X0 is ON.

[Ladder Mode]

• The following program conducts a link refresh for the network module mounted to the position whose head I/O number is a

X/Y30 to X/Y4F while X0 is ON.

[Ladder Mode]

8 INSTRUCTIONS FOR DATA LINK

8.1 Network Refresh Instructions