Honeywell MC-TAIH12 51304337-150 – High-Level Analog Input/STI FTA for Redundancy (16 Inputs)

Overview

The Honeywell MC-TAIH12 51304337-150 is a high-level analog input module designed for redundancy in industrial automation. It supports 16 differential input channels, ensuring accurate and reliable signal processing. This module is available in both uncoated (MU-TAIH12) and coated (MC-TAIH12) versions, catering to different environmental needs.

Key Features

• Supports voltage and current inputs (2-wire or self-powered transmitters).
• 16-bit resolution A/D converter, with 14 bits utilized for precision.
• Common mode rejection ratio: 70 dB (DC to 60 Hz).
• Input scan rate: 4 samples per second per channel.
• Surge withstand capability: ANSI/IEEE C37.90.1-1978 compliance.

Technical Specifications

Input Characteristics

• Input range: 0-5V, 1-5V, 0.4-2V, 4-20mA (through 250Ω).
• Maximum normal mode input: ±30V (no damage).
• Input impedance (voltage inputs): >10MΩ (powered).
• Common mode voltage range: -6V to +5V peak.

Performance & Accuracy

• Hardware accuracy: ±0.075% full scale at 23.5°C, ±0.15% full scale from 0 to 50°C.
• Crosstalk (channel-to-channel): 60 dB (DC to 60 Hz).
• Normal mode rejection ratio: 32 dB at 60 Hz.

Redundancy & Failover

• Seamless failover: No missed or delayed cycles.
• Accuracy impact during failover: ±2% of full scale (at 0V common mode).

Power & Protection

• Transmitter power conditioning: Resistor current-limited, 145Ω (Class 1, Div 2).
• Surge protection: Designed to withstand industrial power fluctuations.