Program Examples - Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

Program examples

The following shows a program example of each station when the safety program and safety global device are used.
Classification
Safety special register
Label to be defined
(0), (33)Processing to release the safety station interlock in safety communications with station No.2 (safety connection No.1)
(36)Processing to send/receive the safety data to/from the station No.2 (safety connection No.1)
(54), (87)Processing to release the safety station interlock in safety communications with station No.2 (safety connection No.2)
(90)Processing to send/receive the safety data to/from the station No.2 (safety connection No.2)
3 PROGRAMMING
200
3.4 Communication Example of Safety Communication Function Used in Redundant Master Stations
Device Description
SA\SD1008.0 Safety refresh communication status of each safety connection (1st module) (safety connection
No.1)
SA\SD1008.1 Safety refresh communication status of each safety connection (1st module) (safety connection
No.2)
SA\SD1232.0 Interlock status of each safety connection (1st module) (safety connection No.1)
SA\SD1232.1 Interlock status of each safety connection (1st module) (safety connection No.2)
SA\SD1240.0 Interlock release request for each safety connection (1st module) (safety connection No.1)
SA\SD1240.1 Interlock release request for each safety connection (1st module) (safety connection No.2)
Define safety global labels as shown below: