14
AcuDC 210/220 Series
2.3 AcuDC 210/220 Wiring Diagram
There are two terminal strips at the back of AcuDC 210/220.
Top diagram: I/O ports and Communication terminals.
Bottom diagram: Power, Voltage Input and Current Input ports.
Note: NC means no connection
Fig 2.7 Wiring terminals
DIGITAL INPUTS
AO
RELAY OUTPUTS
RS-485
DI1+
DI2+
DI3+
DI4+
DIC
AO+
AO-
R11
R12
R21
R22
A
B
S
9
10
11
12
13
14
15
16
17
18
19
20
21
22
POWER
VOLTAGE
INPUT
CURRENT
INPUT
L
N
G
NC
V+
V-
I+
I-
1
2
3
4
5
6
7
8
