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Honeywell MC-TAIH22 High-Level Analog Input Field Termination Assembly

The Honeywell MC-TAIH22 51204170-150, also cataloged as the MC-TAIH22 High-Level Analog Input Field Termination Assembly, operates as a dedicated hardware component for analog signal conditioning and acquisition within Honeywell Process Manager and Experion PKS I/O systems.

Hardware Specifications

Parameter	Specification
Model	MC-TAIH22 51204170-150
Brand	Honeywell
Origin	USA
Product Type	High-Level Analog Input Field Termination Assembly
Input Channels	16 analog input channels
Supported Input Signals	4-20 mA, 0-10 VDC, 1-5 VDC high-level analog signals
A/D Resolution	12-bit analog-to-digital conversion
Accuracy	+/- 0.25% of full scale
Terminal Interface	Compression screw terminals
Isolation	Channel-to-system electrical isolation
Conformal Coating	Available depending on hardware revision
Mounting Type	DIN rail or Honeywell cabinet mounting
Weight	Approximately 0.8 kg
Dimensions	Approximately 20 cm x 12.7 cm x 5 cm
Operating Temp	0 deg C to +60 deg C
Power Consumption	Field termination assembly power consumption based on system I/O configuration

Process Control Signal Conditioning and Isolation

The MC-TAIH22 processes high-level analog field signals before transmission to Honeywell Process Manager and Experion PKS control platforms. The assembly accepts standard transmitter outputs, including 4-20 mA current loops and voltage inputs, then performs signal termination, filtering, and electrical isolation.

For Honeywell process control applications, the module supports channel-to-channel isolation principles to reduce interference between independent field loops. Additionally, the hardware configuration allows integration with analog measurement devices using HART-based 4-20 mA loop communication when the connected I/O architecture supports transmitter communication functions.

The module design supports stable analog acquisition for variables such as pressure, temperature, flow, and level measurement. Therefore, proper shielding, grounding, and signal routing practices directly affect measurement quality in industrial installations.

Frequently Asked Questions

Q: Does the MC-TAIH22 support direct connection of 4-20 mA transmitters?
A: Yes. The assembly supports high-level analog inputs from 4-20 mA transmitters and other compatible voltage signal sources through its field termination channels.

Q: Does the MC-TAIH22 provide electrical isolation between field channels and the control system?
A: Yes. The module provides channel-to-system electrical isolation for connected analog signal paths.

Q: Can the MC-TAIH22 be installed as a standalone analog input controller?
A: No. The MC-TAIH22 functions as a field termination assembly and requires connection to the corresponding Honeywell Process Manager or Experion PKS I/O hardware.

Field Installation Guidelines

• Install the MC-TAIH22 inside the specified Honeywell cabinet or approved DIN rail mounting location.
• Connect analog field wiring using shielded instrumentation cables where required by the installation design.
• Terminate cable shields according to the site grounding standard to reduce electrical noise coupling.
• Separate analog signal wiring from high-voltage power cables and switching circuits.
• Verify field loop polarity before applying system power.
• Confirm the configured input type matches the connected transmitter output range before commissioning.
• Inspect terminal connections periodically to maintain proper mechanical contact.

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