ABB AC500 PLC Hardware Manual page 1267

Mounting with If the Processor Module should be mounted with screws, Screw Mounting Accessories TA543
Screws Ä Chapter 2.6.5.8 "TA543 - Screw Mounting Accessory" on page 1309 must be inserted at the
rear side first. These plastic parts prevent bending of the Processor Module while screwing on.
3x TA543 Screw Mounting Accessories are needed per PM595. A dimension drawing for the
position of screw's holes can be found in Mechanical Dimensions AC500
"Mechanical Dimensions AC500" on page 1255.
1.
2.
2019/04/17
NOTICE!
Risk of malfunctions!
Unused slots for communication modules are not protected against accidental
physical contact.
– Unused slots for communication modules must be covered with dummy
communication modules (TA524
munication Module" on page 1304 to achieve IP20 rating.
– I/O bus connectors must not be touched during operation.
NOTICE!
Only use TA543 accessory when the PLC is to be screw mounted. With DIN rail
mounting the PLC could not be removed from the rail without the risk of dam-
aging the housing.
Snap 3x TA543 Screw Mounting Accessories to the positions marked in the picture.
Fasten the Processor Module with 4 screws (diameter 4 mm max.)
3ADR010121, 13, en_US
System Assembly, Construction and Connection
AC500 (Standard) > Mounting and Demounting
Ä Chapter 2.6.5.4 "TA524 - Dummy Com-
Ä Chapter 2.6.2.2
1267