TC-IAH161 | Honeywell | High Level Analog

Product Description

The Honeywell TC-IAH161 is a 16-channel High Level Analog Input Module designed to acquire voltage and current signals in a Honeywell control system. It supports multiple input ranges, including bipolar and unipolar voltage signals and 0 to 20.5 mA current signals. Furthermore, its 16-bit resolution, 250 ms module publish rate and 20 Hz channel bandwidth support analog signal monitoring across multiple input channels.

Input Signal and Channel Operation

The TC-IAH161 accepts voltage and current signals through 16 input channels. Its selectable voltage ranges accommodate different signal levels, while the current input uses an internal nominal 250 ohm resistor for current-to-voltage conversion.

Meanwhile, the 16-bit resolution provides digital representation across the supported voltage ranges. The 20 Hz channel bandwidth defines the signal frequency response, with a -3 dB point at 20 Hz.

Electrical Characteristics

The voltage input impedance exceeds 1.0 MOhm, which limits the loading effect on connected field signal sources. For current measurements, the internal 250 ohm resistor provides the required input resistance without an additional external sense resistor.

In addition, the module provides user-to-system isolation tested at 2550 VDC for 1 second. Its RFI immunity specification limits measurement error to less than 2.0% of range under a field strength of 10 V/m across 27 to 1000 MHz.

Terminal Connection

The module uses a TC-TBCH 36-position terminal block for field signal connections. This terminal block provides the connection point for the module's 16 analog input channels. Therefore, verify the terminal assignment and field wiring against the applicable Honeywell connection documentation before installation.

Technical Specifications

Frequently Asked Questions

Q: Can the TC-IAH161 accept both voltage and current signals?

A: Yes. It supports three voltage input ranges and a 0 to 20.5 mA current input range. The current input uses an internal 250 ohm resistor.

Q: What terminal block does the TC-IAH161 use?

A: It uses the TC-TBCH 36-position terminal block. Confirm the terminal assignment before connecting field devices.

Q: What is the module's signal update rate?

A: The module publish rate is 250 ms. Its channel bandwidth is 20 Hz at the -3 dB point. These specifications describe different aspects of signal acquisition and should not be treated as interchangeable.

Other Attributes

• Series: Honeywell Experion PKS(C200,C300)
• Country of Origin:  USA
• Lead Time: In Stock, 2 Working Days

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