2 wiring to a dry contact device, Irp-1 isolation relay, Installation guide – Keri Systems IRP-1 User Manual
Page 3

IRP-1 Isolation Relay
Installation Guide
Page 3 of 4
P/N: 01833-001 Rev. H
4.2
Wiring to a Dry Contact Device
N/O
N/C
COM
– +
IRP-1
–
+
12 VDC
Controller Power Supply
Keri Controller
Connection for a
Fail-Safe Device
Connection for a
Fail-Secure Device
Controller Power
Ground
NO / Lock
Common
NC / Lock
Other Pins
Relay Terminal Block
Power Terminal Block
Dry
Contact
Device
Transorb