Description
1. Product Title
Honeywell MC‑PAOX03 (51309152‑175)‑ 8‑Channel Analog Output IOP Module
2. Product Overview
The MC‑PAOX03 (51309152‑175) is an 8‑point analog output IOP processor for Honeywell TPS / Experion PKS DCS UCN system. It converts digital control values from controller to standard 4‑20 mA analog signals for valve positioners and field final control elements. Channels are grouped into two banks with group‑to‑group galvanic isolation. Supports 1:1 module‑level redundancy for high‑availability process control. Built‑in channel diagnostics detect open‑loop, short‑circuit and overload faults and report alarms to DCS operator station. PCB conformal coating protects against moisture and corrosive gas in control cabinet environment. It delivers stable modulating output for continuous process loops, widely used as spare replacement for existing Honeywell DCS racks.
3. Technical Specifications
- Brand: Honeywell
- Model: MC‑PAOX03, part number 51309152‑175
- Warranty: One Year
- Condition: 100% New & Original
- Channels: 8 analog output channels, two banks of four channels
- Output Signal: 4‑20 mA DC, range 0.1‑21.4 mA, max output 26 mA
- Max Resistive Load: 750 Ω @ 22 mA
- Accuracy: ±0.35% full‑scale @25 °C; Resolution ±0.05 % full‑scale
- Isolation: 500 VDC group‑to‑group isolation
- Diagnostics: Open‑circuit, short‑circuit, overload detection; front‑panel LED status indicators
- Redundancy: Supports 1:1 IOP module redundancy
- Matching FTA: MU‑TAOX02, MU‑TAOX12, MU‑TAOX52 series field termination assemblies
- Operating Temp: ‑20 °C ~ +70 °C
- Humidity: 5‑95 % RH non‑condensing
- Mounting: Slot‑in installation for Honeywell TPS / Experion PKS rack
- Communication: UCN network compatible
- Weight: Approx 0.58 kg
- Compliance: CE, UL‑cUL certified
5. Application Scenarios
- Chemical Plant DCS Cabinet: Producing 4‑20 mA modulating signals for reactor and distillation‑column control valves for flow, pressure, temperature closed‑loop regulation.
- Refinery Automation System: Operated in redundant pairs for fractionation unit control loops, driving valve positioners via matched FTA termination boards.
- Combined‑Cycle Power Plant: Performing analog modulation for boiler feed‑water valves and flue‑gas dampers in balance‑of‑plant DCS racks.
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