The MC-PAOX03 (51309152-175) is a high-precision Analog Output (AO) module designed for the Honeywell TDC 3000 and Experion® PKS control environments. This module provides the critical interface required to drive final control elements, such as pneumatic control valves, variable speed drives, and actuators, by converting digital control commands into standardized high-level analog signals. Supporting both 4–20 mA current loops and 1–5 VDC voltage outputs across 8 isolated channels, the MC-PAOX03 ensures deterministic process modulation. Its industrial-grade architecture, featuring 16-bit resolution and comprehensive output health monitoring, makes it a mechanical necessity for maintaining stability in closed-loop control systems within refineries, chemical plants, and utility facilities.
| Attribute | Details |
| Manufacturer | Honeywell |
| Model Number | MC-PAOX03 |
| Part Number | 51309152-175 |
| Product Type | High-Level Analog Output Module |
| Platform Compatibility | TDC 3000 / Experion PKS |
| Number of Channels | 8 Analog Output Channels |
| Output Signal Range | 4–20 mA, 1–5 VDC |
| Accuracy | ±0.05% of Full Scale |
| Resolution | 16-bit (High-precision modulation) |
| Isolation | Galvanic channel-to-channel and channel-to-system isolation |
| Operating Voltage | 24 VDC Nominal |
| Output Load | Up to 750 Ohms (at 20mA) |
| Operating Temp | 0 °C to +60 °C |
| Humidity Range | 5% to 95% non-condensing |
| Diagnostics | Open loop detection, read-back verification, and module health |
| Mounting | Standard Honeywell I/O chassis / File |
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