RLY Relay Module considerations - Facility Explorer - LIT-12012045 - Field Device - N2 Controllers

Modernization Guide for N2 Controllers - Facility Explorer

Facility Explorer
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N2 Controllers
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User Guide
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RLY relay modules were frequently added to the UNT controller's binary outputs. You can reuse RLY relay modules when you replace the UNT with an FX-PCG. Each RLY relay module must be wired to one FX-PCG binary or to one configurable output (configured for binary output mode). If both relays on one RLY relay module are used, the FX-PCG controller outputs must be configured identically. Alternatively, you can replace RLY relay modules with FX-PCX models with onboard relay outputs.

Figure 1. Connecting RLY Relay Modules to FX-PCG Controller