Page 9
IR104-V4 User Guide
Rev A
2 Connectors
Connector Overview
The following sections describe the pinouts and mechanical specifications for the 3 connectors (CN1, CN2,
CN4) and 2 (JP1, JP2) jumper blocks.
Terminal Plugs (CN1 & CN2)
There are 20 SPST output relays with 2×20 position sockets that mate with 2×20 screw terminal block plugs
intended for 14–24 AWG wires. They have a UL certified contact rating of 5A @ 30VDC and 250VAC.
Relay 20
Relay 19
Relay 18
Relay 17
Relay 16
Relay 15
Relay 14
Relay 13
Relay 12
Relay 11
Relay 1
Relay 2
Relay 3
Relay 4
Relay 5
Relay 6
Relay 7
Relay 8
Relay 9
Relay 10
SPST relay contact example
Note
The terminal sockets are Wieland 25.647.0553.0, which mate
with the screw terminal block plugs, Wieland 25.640.0553.0.
CN1
CN2
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