Implementing 3-Switch XOR Ladder Logic with Internal Bit
Implement a 3-SPST switch XOR light circuit in LogixPro or RSLogix 500 using an internal relay bit. Includes truth tables, boolean equations, and verified.
The CC-PUIO31 is a Universal Input/Output Module designed for Honeywell Series C control architectures. Introduced with software release R432, this high-density hardware component integrates seamlessly into the Series C Unified Hybrid Input/Output (UHIO) configuration alongside the C300 Controller and Control Firewall. The CC-PUIO31 module offers flexible signal management by providing 32 soft-configurable channels on a single module, allowing engineers to interface various field instruments without changing the physical I/O hardware footprint.
| Parameter | Description |
|---|---|
| Manufacturer | Honeywell |
| Model Number | CC-PUIO31 |
| Part Number | 51454220-176 |
| IOM Model Names | CC-PUIO31 / CC-PUIO3 |
| IOM Block Name | UIO |
| Module Type | Universal Input/Output Module (UIO-2 Module) |
| Number of Channels | 32 |
| System Compatibility | Series C UHIO / R432 and higher |
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Returns & Warranty




The CC-PUIO31 is a Universal Input/Output Module designed for Honeywell Series C control architectures. Introduced with software release R432, this high-density hardware component integrates seamlessly into the Series C Unified Hybrid Input/Output (UHIO) configuration alongside the C300 Controller and Control Firewall. The CC-PUIO31 module offers flexible signal management by providing 32 soft-configurable channels on a single module, allowing engineers to interface various field instruments without changing the physical I/O hardware footprint.
| Parameter | Description |
|---|---|
| Manufacturer | Honeywell |
| Model Number | CC-PUIO31 |
| Part Number | 51454220-176 |
| IOM Model Names | CC-PUIO31 / CC-PUIO3 |
| IOM Block Name | UIO |
| Module Type | Universal Input/Output Module (UIO-2 Module) |
| Number of Channels | 32 |
| System Compatibility | Series C UHIO / R432 and higher |
Global Express Shipping
Returns & Warranty
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| Country of origin |
United States
|