6
Operating instructions
Passive fieldbox
PFB-SD-4M12-SD
EN
4.6 Wiring example
I
O
Power
2
1
3
4
I
O
SD
I
O
Power
2
1
3
4
I
O
SD
O
N
1
8
7
6
5
4
3
2
Safety IN 2
Safety IN 1
0 VDC
+24 VDC
10A
SD-Out
0 VDC
+24 VDC
SD-Out
SD-In
FB
2
1
2
3
1
2
3
1
4
I
O
Power
2
1
3
4
I
O
SD
O
N
1
8
7
6
5
4
3
2
O
N
1
8
7
6
5
4
3
2
BK (4)
BN (1)
WH (2)
WH (2)
BU (3)
BK (4)
BU (3)
BN (1)
PLC
Power supply
Safety-
monitoring
module
Safety
switchgear
- Fieldbox in the centre
JP & SW 7 + 8 OFF
- 4 devices connected
JP & SW 1 - 6 OFF
- Last fieldbox
JP & SW 7 + 8 ON
- 3 devices connected
JP & SW 5 + 6 ON
- Fieldbox in the centre
JP & SW 7 + 8 OFF
- 2 devices connected
JP & SW 3 + 4 ON
SD Gateway
Terminals
Optional
additional SD line
