Siemens SENTRON PAC3120 - Page 45

Connection
4.2 Connections
PAC3120 and PAC3220
Equipment Manual, 10/2019, L1V30425208F-01
43
Ⓐ
Digital inputs and outputs
Ⓑ
Measuring inputs voltage V
1
, V
2
, V
3
, V
N
Ⓒ
Supply voltage L/+, N/−
Ⓓ
Measuring inputs current IL
1
, IL
2
, IL
3
Ⓔ
RS485 connection
①
DIC
Digital input (common)
②
DI1
Digital input 1
③
DI0
Digital input 0
④
DOC
Digital output (common)
⑤
DO1
Digital output 1
⑥
DO0
Digital output 0
⑦
N− AC: Connection: Neutral conductor
DC: Connection: -
⑧
L+ AC: Connection: Conductor (phase voltage)
DC: Connection: +
⑨
V
N
Neutral conductor
⑩
V
3
Voltage U
L3-N
⑪
V
2
Voltage U
L2-N
⑫
V
1
Voltage U
L1-N
⑬
IL
3
l↓
l
Current I
L3
, output
⑭
IL
3
↑k
k
Current I
L3
, input
⑮
IL
2
l↓
l
Current I
L2
, output
⑯
IL
2
↑k
k
Current I
L2
, input
⑰
IL
1
l↓
l
Current I
L1
, output
⑱
IL
1
↑k
k
Current I
L1
, input
Figure 4-1 Connection designations on PAC3120 (view from top and rear of the device)