ABB AC500 PLC Hardware Manual page 1201

2.
Mounting a Pro-
cessor Module
on a Metal Plate
1.
2019/04/17
While pressing down processor 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!
One TA566 Wall Mounting Accessory
Mounting Accessory" on page 1243 is needed per processor module.
Snap in the TA566 at the back side of the processor module.
3ADR010121, 13, en_US
System Assembly, Construction and Connection
AC500-eCo > Mounting and Demounting
Ä Chapter 2.5.5.9 " TA566 - Wall
1201