Siemens CP-8021

Installation and Circuitry
SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual Unrestricted 203
DC8-037-2.02, Edition 10.2017
6.9.1.5.2 1½-pole Circuitry
U+
U-
DO-8203
X21
1 2 3 4
X22
1 2 3 4
X
2
3
1
2
3
4
X
2
4
1
O
U
T
D
0
0
C
O
M
O
U
T
D
0
0
C
O
M
O
U
T
D
0
1
O
U
T
D
0
1
O
U
T
D
0
2
C
O
M
O
U
T
D
0
2
C
O
M
O
U
T
D
0
3
O
U
T
D
0
3
O
U
T
D
0
4
C
O
M
O
U
T
D
0
4
C
O
M
O
U
T
D
0
5
O
U
T
D
0
5
O
U
T
D
0
6
C
O
M
O
U
T
D
0
6
C
O
M
O
U
T
D
0
7
O
U
T
D
0
7
2
3
4
Controller
BUS
U+
U-
*)
1,5-pole
switched
Minus
Plus
switched
*) no galvanical insulation
between the relay common
and COM OUT D06
reinforced insulation