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  • HONEYWELL MC-TAIH14 51305887-150 High-Level Analog Input Termination Assembly
  • HONEYWELL MC-TAIH14 51305887-150 High-Level Analog Input Termination Assembly
SKU: MC-TAIH14 51305887-150

HONEYWELL MC-TAIH14 51305887-150 High-Level Analog Input Termination Assembly

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The HONEYWELL MC-TAIH14 51305887-150 is a High-Level Analog Input Termination Assembly (HLAI IOTA) belonging to the Honeywell TotalPlant Solution (TPS) / TDC 3000 and Experion PKS Process Manager series. This module provides a physical interface layer to terminate up to 16 high-level analog signals—such as 4-20 mA loops or 1-5 VDC transmitter inputs—and routes them safely to the control processor backplane.

Hardware Specifications

ParameterSpecification
ModelMC-TAIH14 51305887-150
BrandHONEYWELL
OriginUSA
Weight0.4 kg
Dimensions30.8 x 12.1 x 5 cm
Module TypeHigh-Level Analog Input (HLAI) Terminal Block
Channel Density16 Input Channels
Signal Input Ranges4-20 mA or 1-5 VDC
Range of ProductMU-T Series / TDC 3000 / Experion DCS
System ArchitectureDistributed Control System (DCS) / High-Performance Process Manager

Process Control & Machinery Monitoring

The MC-TAIH14 assembly accepts field inputs from critical processing instrumentation, making it ideal for tracking plant variables such as pressure, temperature, flow rates, and condition monitoring parameters. When deployed alongside specialized proximitor proximity sensors, it converts raw field data into clean, filtered parameters used for structural casing expansion tracking, bearing vibration analysis, and shaft position measurement in large industrial rotating machinery.

The IOTA card is engineered with built-in channel isolation and surge suppression to decouple electromagnetic interference and field anomalies from the system’s sensitive internal logic solvers. It supports redundant I/O configurations, enabling automatic hot-standby failover to safeguard continuous operation and avoid false trips during demanding plant cycles.

Frequently Asked Questions

Q: Does the MC-TAIH14 module supply loop power directly to 2-wire transmitters?

A: Yes, the termination assembly provides fused 24 VDC internal power distribution terminals to drive standard 2-wire field instruments directly.

Q: Can this terminal block assembly be swapped or serviced while the system is live?

A: Yes, if configured in a fully redundant pair, individual I/O modules can be detached from the termination assembly for maintenance without disrupting processing logic.

Field Installation Guidelines

  1. Mount the IOTA base plate firmly onto the cabinet channel structure, ensuring a direct low-impedance ground connection to the structural system ground bus.
  2. Terminate the 4-20 mA shielded twisted-pair field cables at the designated screw terminals, securing the shield drains at the ground bar to suppress noise.
  3. Verify that the current loops match the maximum ratings, and check that internal fuses are intact before applying system backplane power.
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Technical Specifications

  • Manufacturer: Honeywell
  • Model Number: 51305072-200
  • Module Type: I/O CARD K2LCN A
  • Series Compatibility: TDC 3000 / DCS
  • System Role: Local Control Network Interface
  • Physical Profile: 3.0 cm x 13.5 cm x 23.7 cm
  • Unit Weight: 0.18 kg
  • Manufacturing Origin: USA
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