Overview
The Honeywell MU-TAOX02 (51304476-100), also cataloged as the MU-TAOX02 Analog Output Field Termination Assembly, operates as a dedicated hardware component for converting I/O processor output commands into 4-20 mA DC field control signals within Honeywell TDC 3000, TPS, and HPM systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MU-TAOX02 |
| Full Part Number | 51304476-100 |
| Brand | Honeywell |
| Origin | USA |
| Product Type | Analog Output Field Termination Assembly (FTA) |
| Compatible Systems | TDC 3000, TotalPlant Solution (TPS), High-Performance Process Manager (HPM), Experion PKS |
| Signal Type | Analog Current Output |
| Number of Channels | 16 channels |
| Output Range | 4-20 mA DC |
| Signal Interface | I/O processor to field device termination |
| Field Devices | Control valves, valve positioners, variable speed drives |
| Isolation Method | Signal isolation for field loop protection |
| Mounting Type | FTA mounting channel / cabinet installation |
| Dimensions | Not specified in available documentation |
| Weight | Approx. 0.17 kg |
| Operating Temp | 0 deg C to +60 deg C |
| Storage Temp | -40 deg C to +85 deg C |
| Relative Humidity | 5% to 95% RH, non-condensing |
| Power Consumption | Supplied through system I/O interface and cabinet power distribution |
Process Control Signal Interface Characteristics
The MU-TAOX02 handles analog output termination between Honeywell control processors and field-level actuators. It provides 16 independent 4-20 mA DC output channels for continuous control applications.
Furthermore, the assembly applies channel isolation methods to reduce ground loop influence and electrical interference from field wiring. The module supports standard process instrumentation loops, including valve actuators and drive control inputs.
For Honeywell process systems, analog output circuits typically interface with HART-enabled field devices when supported by the associated I/O processor configuration. The termination assembly itself performs field signal routing and conditioning rather than executing control algorithms.
Frequently Asked Questions
Q: Does the MU-TAOX02 execute control logic or PID processing?
A: No. The MU-TAOX02 is a field termination assembly. The connected Honeywell controller or I/O processor performs control calculations, while the FTA routes analog output signals to field devices.
Q: How many analog output loops can the MU-TAOX02 terminate?
A: The assembly provides 16 analog output channels with 4-20 mA DC current loop interfaces.
Q: Can the MU-TAOX02 be installed outside the control cabinet?
A: No. The assembly is designed for cabinet-based installation using Honeywell FTA mounting arrangements. Field wiring connects through the designated termination points.
Field Installation Guidelines
- Install the MU-TAOX02 inside a suitable control cabinet with appropriate environmental protection.
- Separate analog signal wiring from high-voltage power cables to reduce electromagnetic interference.
- Connect cable shields according to the site grounding specification and Honeywell system installation practice.
- Verify field loop polarity before connecting control valves, positioners, or drive inputs.
- Confirm I/O processor configuration matches the assigned analog output channel mapping before commissioning.
- Inspect terminal connections periodically to prevent loose wiring and increased loop resistance.
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