ABB COMMANDER C355 - Relay, Digital, and Analog Output Connections

106
+
–
+
–
NO
C
NC
NO
C
NC
N
L
Analog Output 2
(ao2)
Relay 1
(RLY1)
1
2
3
4
5
6
7
8
9
10
11
12
Neutral
Line
(1A Type T fuse
and external
isolating switch)
25
26
27
28
29
30
31
32
34
35
36
33
15
16
17
18
19
20
21
22
23
24
13
14
Relay 2
(RLY2)
Digital Input 3 (di3)
Digital Input Common
Digital Input 4 (di4)
–
+
+
NO/NC
C
NO/NC
C
COM
Rx+
Rx–
Tx+
Tx–
Relay 3 (RLY3)
Relay 4 (RLY4)
RS485
–
+
+
–
+
RTD
–
+
–
+
RTD
+24V
2-wire Transmitter PSU Common
Analog Input 3 (I/P3)
Analog Input 1 (I/P1)
Analog Input 2 (I/P2)
See
Fig. 6.7
Digital Input Common
Digital Input 1 (di1)
Digital Input 2 (di2)
Output/
Power Supply
Terminals
Option Board
Terminals
Input
Terminals
Terminal blocks
viewed from rear of
case
Digital / Analog Output 1
(ao1 /do1)
Caution. The AC
power supply ground cable
must be connected to a
Ground Stud.
–
+
24V
DC
85 min. to
265V max.
AC 15VA
…6 INSTALLATION
6.2.1 Electrical Connections – Figs 6.6 to 6.8
Fig. 6.6 Electrical Connections – General