HONEYWELL CC-TCF901 51308301-175 9-port Control Firewall Module

Model Focus: Temperature & Universal Input / Output (UIO) Terminal Panel – C300-Series Field Termination Assembly

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1.30-Second Introduction
CC-TCF901 (P/N 51308301-175) is the passive, DIN-rail mounted “farm-hut” that turns 32 software-configurable UIO channels into real-world thermocouple, RTD, mA or voltage signals. No active electronics – just high-density spring-clamp terminals, cold-junction compensation (CJC) sensors and universal markings that match every Honeywell UIO module (CC-UAOX01, CC-UAIX01, CC-UAIX51). One panel supports an entire C300 I/O pair, cutting footprint by 38 % compared to older TAs.

2. What the Manual Calls “Non-Productive Time Killers” – and How TCF901 Solves Them
• Mis-wiring: Laser-etched T/C type & polarity on each screw plus colour-coded RTD bridge straps.
• Cold-junction error: Three built-in PT1000 CJC chips spaced evenly along the block; accuracy ±0.5 °C.
• Noise on mV T/C: Shield bar runs the full length—clamp cable shield without ring lugs.
• Loop checkout time: 2 mm test holes on every terminal; multimeter probe stays in place hands-free.

3. Quick-Spec

Part Number: 51308301-175
Description: UIO Universal Field Termination Panel
Positions: 32 analog channels × 4 terminals = 128 points
Wire size: 28–12 AWG solid or stranded
Rating: 300 V, 5 A per point
CJC sensors: 3 × PT1000, Daisy-chain to A/D
Ambient: –40 … +70 °C; T6 temperature class for Ex e/Ex nA
Mounting: 35 mm DIN or direct on M4 studs
Enclosure: PA66-V0, UV stable, gas-tight screws
Weight: 0.64 kg naked, 1.1 kg in export carton

4.Spare-Parts Bundle

PLC Autocontroller — making field wiring the fastest part of your next C300 start-up.

What happens next?