Overview
Configured for high-level analog signal termination and field wiring in Honeywell process control systems, the Honeywell MC-TAIH22 51204170-150 (MC-TAIH22 High-Level Analog Input / STI Field Termination Assembly) provides direct physical and electrical signal interfacing. The assembly supports connection between field-side analog circuits and associated control-system hardware.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | MC-TAIH22 51204170-150 |
| Base Model | MC-TAIH22 |
| Brand | Honeywell |
| Module Type | High-Level Analog Input / STI Field Termination Assembly |
| Part Number | 51204170-150 |
| Origin | Not specified in the provided data |
| Weight | Approx. 0.3 kg |
| Dimensions | Approx. 12.7 cm x 6.2 cm x 9.4 cm |
| Coating | Conformal Coated (CC) |
| Redundancy | Supports redundant configurations (RED) |
| Primary Function | Field termination and physical interfacing for high-level analog input circuits |
| System Compatibility | Honeywell Experion DCS and ControlEdge platforms |
4-20 mA HART Loop and Field Signal Interface Characteristics
The MC-TAIH22 51204170-150 functions at the field termination level rather than performing independent process control. Therefore, installation quality directly affects analog signal integrity between field devices and connected control hardware.
For analog instrumentation circuits, proper separation of signal wiring from high-current conductors reduces induced electrical noise. In addition, shield termination should follow the applicable Honeywell system wiring architecture and site grounding practice. Where connected circuits use 4-20 mA HART loop protocol equipment, the field termination arrangement must preserve the required analog signal path and communication compatibility defined by the associated I/O hardware.
The conformal-coated construction provides an additional environmental protection layer for the assembly. However, coating does not replace correct enclosure design, grounding, wiring segregation, or environmental control.
Frequently Asked Questions
Q: Does the MC-TAIH22 51204170-150 operate as an independent analog input processor?
A: No independent signal-processing capability is specified in the provided data. The MC-TAIH22 51204170-150 operates as a field termination and physical interface component for associated Honeywell control-system hardware.
Q: Can the MC-TAIH22 51204170-150 support redundant system configurations?
A: Yes. The provided specification identifies RED support. The actual redundancy architecture, switching behavior, and associated I/O configuration depend on the connected Honeywell system hardware.
Q: Are operating temperature and power consumption values available for this assembly?
A: The provided data does not specify these values. Installation should therefore follow the environmental and electrical limits documented for the complete Honeywell cabinet, associated I/O hardware, and system architecture.
Field Installation Guidelines
- Verify that the installed assembly model is MC-TAIH22 51204170-150 before connecting field wiring.
- Isolate cabinet power and follow the applicable site lockout and electrical safety procedures before installation.
- Mount the assembly only in the position and carrier arrangement specified for the associated Honeywell system hardware.
- Route low-level or analog signal wiring separately from high-current AC, motor, and switching circuits.
- Maintain correct conductor identification throughout installation to simplify loop testing and fault tracing.
- Terminate cable shields according to the approved system grounding architecture; avoid creating unintended ground loops.
- Inspect terminal connections for conductor damage, loose clamping, or exposed strands before energizing the system.
- Verify the complete field circuit after installation using approved commissioning procedures for the connected analog I/O hardware.
- Confirm redundancy wiring and associated module configuration before placing a redundant channel arrangement into service.
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