ABB AC500 PLC Hardware Manual page 1205

Demounting I/O
Modules
Mounted on a
DIN Rail
1.
2.
Mounting I/O
Modules on a
Metal Plate
2019/04/17
Remove I/O module by hand if connected.
While pressing down I/O module pull it away from DIN rail.
NOTICE!
Risk of function faults!
Missing electrical contact by isolating screws or washers!
Use metal screws on the metal plate.
The metal plate must be included into the earthing concept of the plant.
Do NOT use isolating washers!
3ADR010121, 13, en_US
System Assembly, Construction and Connection
AC500-eCo > Mounting and Demounting
1205