TC-IAH161 | Honeywell | High Level Analog Input Module

Overview
The TC-IAH161 from Honeywell is a 16-channel High Level Analog Input Module engineered for precision measurement in industrial control systems. It supports both voltage and current inputs with high resolution and fast module update rates, ensuring accurate and reliable signal acquisition across a wide operating range. The module is designed for robust performance in demanding environments with full isolation and RFI immunity.

Specifications

• Model & Part Number: TC-IAH161

• Product Type: High Level Analog Input Module

• Number of Channels: 16

• Input Voltage Range: 0–10.25 V and 0–5.125 V

• Input Current Range: 0–20.5 mA (with internal 250 Ω resistor)

• Voltage Resolution: 16 bits

• Module Publish Rate: 250 ms

• Input Impedance: >1 MΩ (Voltage), 249 Ω nominal (Current)

• Channel Bandwidth: 20 Hz (-3 dB)

• RFI Immunity: <2% error at 10 V/m, 27–1000 MHz

• Power Dissipation: 4.1 W max

• Isolation Voltage (User to System): Tested 2550 VDC for 1 s

• Connection Terminal Blocks: TC-TBCH, 36-position terminal block

• Operating Temperature: Standard industrial range

• Shipping Weight: 1.5 kg

Features

• High-Resolution Measurement: 16-bit precision across all channels

• Reliable Signal Acquisition: Supports voltage and current inputs with robust input impedance

• Fast Update Rate: Module publishes data every 250 ms for responsive monitoring

• Full Isolation: User-to-system isolation ensures safe operation

• RFI Protection: Minimizes interference for accurate readings

• Compact & Robust Design: Suitable for control cabinets and harsh environments

Applications
The TC-IAH161 is ideal for process monitoring, industrial measurement, and automated control systems requiring accurate analog input data. It is suitable for chemical plants, energy facilities, and manufacturing systems.

FAQ

Q: What types of inputs does this module support?
A: It supports both voltage (0–10.25 V, 0–5.125 V) and current (0–20.5 mA) inputs.

Q: What is the module’s update rate?
A: Data is published every 250 milliseconds for timely signal acquisition.

Q: Is this module resistant to interference?
A: Yes, it provides RFI immunity with <2% error across 27–1000 MHz at 10 V/m.

Q: How many channels are available?
A: The module includes 16 high-level analog input channels.