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Honeywell TK-IAH161 Analog Input Module

Configured for 4-20 mA signal acquisition in Honeywell Experion PKS C300 systems, the Honeywell TK-IAH161 (TK-IAH161 Analog Input Module) provides direct physical and electrical execution for 16 channel process measurement interfaces.

Hardware Specifications

Parameter	Specification
Model	TK-IAH161
Brand	Honeywell
Product Type	High Level Analog Input Module
Origin	USA
Weight	0.2 kg
Dimensions	3.5 x 14.2 x 14.5 cm
Operating Temp	0 deg C to +60 deg C
Power Consumption	Max 5 W
Number of Channels	16 channels
Input Signal	4-20 mA
Input Type	High level analog input
Communication Protocol	HART
ADC Resolution	16-bit
Input Impedance	250 ohm nominal
System Compatibility	Honeywell Experion PKS / C300 Controller
Isolation	Channel-to-system electrical isolation
Mounting Interface	Honeywell I/O chassis with compatible FTA

4-20 mA HART Process Signal Interface

The Honeywell TK-IAH161 processes standard 4-20 mA field signals from smart transmitters and provides HART communication capability for digital device information exchange. The module supports simultaneous analog measurement and HART data access, allowing configuration parameters, diagnostics, and secondary variables to be transferred through the same field loop.

Moreover, the module applies channel-to-channel isolation techniques to reduce electrical interference between independent measurement circuits. The input architecture supports connection with process transmitters including pressure, temperature, flow, and level instruments within Experion PKS control environments.

Frequently Asked Questions

Q: Does the TK-IAH161 support HART communication through the analog input channel?
A: Yes. The module supports HART communication over the 4-20 mA input loop, allowing access to transmitter diagnostics and digital parameters.

Q: How many analog input points are provided by the TK-IAH161 module?
A: The module provides 16 analog input channels for high level current signal measurement.

Q: What system platform is required for TK-IAH161 operation?
A: The module is designed for integration with Honeywell Experion PKS systems using C300 controller hardware and compatible I/O assemblies.

Field Installation Guidelines

• Install the module in the designated Honeywell I/O chassis position and verify correct mechanical engagement before applying power.
• Use shielded field wiring for analog signal connections where electrical noise may affect measurement accuracy.
• Connect cable shields according to the site grounding standard to minimize electromagnetic interference.
• Separate analog signal wiring from high voltage and high current power cables during cabinet installation.
• Verify transmitter loop polarity and signal range before commissioning the input channels.
• Confirm FTA and terminal assembly compatibility before replacing or installing the module.

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