
S M ART T EMP ER ATUR E MONITORI NG R EL AYS
STATUS
Approved
SECURITY LEVEL
Public
DOCUMENT ID.
2CDC112285M0201
REV.
B
LANG.
en
PAGE
8/42
© Copyright 2020 ABB. All rights reserved.
2.
Installation
2.1.
Mounting and de-mounting
Snap-on mounting onto a 35 mm standard mounting rail, without using any tool.
Mounting
De-mounting
2.2.
Block diagram
The following block diagram shows the set-up of the CM-TCN: supply voltage
range, connection of sensor types, control input, function of output relays and
the galvanic insulation. For sensors the maximum cable length with a shielded
cable is 500 m.
In UL applications a fuse protection for the supply circuit is required.