Honeywell MU-GAIH22 High-Level Analog Input FTA

Overview

The Honeywell MU-GAIH22 is a high-performance High-Level Analog Input (HLAI) Field Termination Assembly (FTA) engineered for reliable signal interfacing in demanding industrial environments. Designed by Honeywell, the MU-GAIH22 ensures precise analog signal handling and safe isolation between hazardous and non-hazardous zones. Its robust structure, efficient power management, and clear LED indicators make it ideal for advanced process control applications.

Key Features

Provides 16 high-level analog input channels with exceptional accuracy.
Ensures galvanic isolation up to 250 Vac between safe and hazardous sides.
Works seamlessly with redundant Input/Output Processors (IOPs).
Accepts 4–20 mA input signals and supports 1–5 V conversion via resistors.
Offers strong safety performance for critical hazardous area installations.
Delivers clear LED indicators for active IOP control and module status.

Technical Specifications

Category	Specification
Input Channels	16 high-level analog inputs
Signal Type	4–20 mA (requires 250 Ω resistor for 1–5 V)
Isolation Voltage	250 Vac between safe and hazardous sides
Max Channel Voltage	28 V maximum
Channel Resistance	300 Ω
Max Channel Current	93 mA per channel
Power Supply	24 Vdc (typical)
Current Consumption	0.75 A typical
Power Dissipation	12 W (all channels active)
IOP Interface	Two 50-pin connectors for redundant IOPs
Auxiliary Output	50-pin connector (1–5 V or 4–20 mA signals)
Field Wiring	Compression or crimp-type terminals
Ambient Temperature	-40°C to +70°C
Humidity	5% to 95% non-condensing
Indicators	Green LEDs for active IOP and module status

Dimensions & Weight

Dimensions: 2.2 cm x 12.4 cm x 12.6 cm
Weight: Approximately 1.5 kg, ensuring easy handling and installation.

Origin

Country of Manufacture: United States

Performance and Application

The MU-GAIH22 provides exceptional signal integrity and system reliability across diverse industrial sectors. Its galvanic isolation enhances safety, while the redundant IOP compatibility ensures continuous operation without signal interruption. This module is widely used in refineries, chemical plants, and process automation systems requiring high-level analog signal accuracy and safety compliance.

Advantages

The Honeywell MU-GAIH22 combines rugged construction with intelligent design. Engineers benefit from simplified wiring, reduced downtime, and consistent signal quality. Additionally, the integrated LEDs allow quick diagnostics during maintenance or troubleshooting.