5. Remove the plate from the module bay
6. Insert the add-on module as shown.
Note
The label on the add-on module must face upwards and the connector outwards
7. Press the add-on module into position and connect the at cable connector.
Installing/mounting
3.3 MASS 6000 Ex d
Modbus RTU RS 485
16 Operating Instructions, 03/2021, A5E00753974-AB