Overview
Configured for analog signal termination in Honeywell TDC 3000 and Experion PKS systems, the Honeywell MU-TAIH23 (MU-TAIH23 Analog Input Field Termination Assembly) provides the field-side electrical interface for analog input wiring. The supplied data identifies 4-20 mA DC as a standard input range and specifies a multi-channel configuration.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MU-TAIH23 |
| Brand | Honeywell |
| Product Type | Analog Input Field Termination Assembly (FTA) |
| System Compatibility | Honeywell TDC 3000, Experion PKS |
| Signal Type | Analog Input (AI) |
| Input Signal Range | 4-20 mA DC |
| Channel Capacity | Multi-channel; up to 16 channels depending on system architecture |
| Mounting Type | DIN rail or panel mounting |
| Operating Temp | 0 deg C to 60 deg C |
| Storage Temp | -40 deg C to 85 deg C |
| Relative Humidity | 5% to 95% non-condensing |
Process Control Signal Interface
The MU-TAIH23 terminates analog field wiring before the associated control-system I/O circuitry processes the input signal. For 4-20 mA loops, installers should maintain correct polarity and verify the complete current-loop path before commissioning.
Honeywell process-control architectures can also incorporate HART, FOUNDATION Fieldbus, and Profibus PA technologies. However, the supplied MU-TAIH23 data only specifies 4-20 mA DC analog input capability; therefore, HART or fieldbus functionality should not be assigned to this FTA without system documentation.
Channel-to-channel isolation also depends on the specific FTA and associated I/O architecture. Therefore, isolation characteristics should be confirmed from the applicable Honeywell hardware documentation before wiring mixed signal circuits.
Frequently Asked Questions (FAQ)
Q: Does the MU-TAIH23 support 4-20 mA input signals?
A: Yes. The supplied specification identifies 4-20 mA DC as a standard analog input signal range.
Q: Is the MU-TAIH23 limited to exactly 16 input channels?
A: No fixed channel count is established by the supplied data. It describes a multi-channel configuration that can support up to 16 channels depending on the system architecture.
Q: What power consumption does the MU-TAIH23 require?
A: The supplied information does not specify a power-consumption value. The applicable Honeywell hardware documentation should define the associated electrical load.
Field Installation Guidelines
- Install the FTA on a suitable DIN rail or panel surface with adequate mechanical support.
- Verify the MU-TAIH23 model against the system hardware configuration before connecting field wiring.
- Confirm terminal assignments from the applicable Honeywell wiring documentation.
- Maintain correct polarity for 4-20 mA DC current loops.
- Route analog signal wiring separately from high-voltage power and high-current switching conductors where practical.
- Use appropriate shielded instrumentation cable when required by the site wiring standard.
- Terminate cable shields according to the control-system grounding design; avoid unintended shield current paths.
- Check loop continuity and field-device polarity before energizing the associated I/O circuit.
- Verify the configured input range and channel assignment during commissioning.
- Do not assume HART communication, galvanic isolation, or other signal-conditioning functions unless the associated system documentation confirms them.
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