P1 Power Pins; P4 Redundancy Link Pins - ABB Symphony Harmony Series Instruction

I/O Block Connectors
I/O Module (P1, P4, P5)
WBPEEUI240751C0
The following sections provide the pin assignments for I/O
block connectors.
An I/O module has three connection points for external sig-
nals and power: P1 power, P4 redundancy link, and P5 com-
munication. Tables 8-6, 8-7, and
for P1, P4, and P5.
Table 8-6. P1 Power Pins
Pin Connection
A 1 BLP A (+)
2 BLP B (+)
3 IFP (+)
B 1 BLC A (–)
2 BLC B (–)
3 IFC (–)
Table 8-7. P4 Redundancy Link Pins
Pin Connection
1 Transmit data A (+)
3 Ground
5 Receive data A (–)
7 Primary/backup
9 Handshake IN
11 Receive data B (+)
13 Transmit data B (–)
8-8 list the pin assignments
Pin Connection
2 Receive data A (+)
4 Transmit data A (–)
6 Handshake OUT
8 Ground
10 Transmit data B (+)
12 Ground
14 Receive data B (–)
I/O Block Connectors
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