Siemens SIMATIC ET 200SP HA System Manual page 89

Table 6-4
Potential
● Ground
● 1L+
● 2L+
Extending the supply voltage via the power bus
The illustrations in the table show the ladder diagrams of the connection terminals for the supply
voltage and the routing through the power bus.
Terminal block
(types)
Light-colored terminal
block
(TB..D):
Dark-colored terminal
block (TB..B):
ET 200SP HA Distributed I/O system
System Manual, 08/2019, A5E39261167-AD
Connection terminals for the supply voltage on the terminal block TB45R.../ TB22-C32
Terminals on the terminal block
● 1P2 and 2P2
● 1P1
● 1P3
Note: Terminals not connected
Process terminals
● 16
● 32
● 32
● 16
● 32
● 32
6.5 Wiring the terminal block
Labeling of the terminal Voltage on the power
Blue
Red
Circuit diagram for supply voltage
1P1 1P2
2P1 2P2
P1
P2
P3
FE
Terminal block (TB22-P32+4D/T; TB22-P16+4D;
TB45‑P32...+4D)
1P1 1P2
1P3 2P2
P1
P2
P3
FE
Terminal block for IO redundancy (TB45R-
P32+4D/T)
1P1 1P2
2P2
2P1
P1 P1
P2 P2
P3 P3
Terminal block (TB22-P32+4B/T; TB22-P16+4B;
TB45‑P32...+4B)
1P1 1P2
1P3 2P2
P1 P1
P2 P2
P3 P3
Terminal block for IO redundancy (TB45R-
P32+4B/T)
Wiring
bus
● P2
● P1
● P3
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