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HONEYWELL TC-IAH161 ANALOG INPUT Module

HONEYWELL TC-IAH161 ANALOG INPUT Module

Item NO.: TC-IAH161
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Warranty: 1 year 


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Detail

  • Product NameHONEYWELL TC-IAH161 ANALOG INPUT Module
  • Item NO.TC-IAH161
  • Weight2.0000 kg = 4.4092 lb = 70.5479 oz
  • CategoryDCS
  • BrandHoneywell
  • Creation Time2024-11-14
  • ANALOG INPUT Module


TC-IAH161 Honeywell 

Product Identification

TC-IAH161 is a Honeywell Experion LS 16-point high-level analog input module (4-20 mA and 10 V), non-isolated, published as a 16-input AI card in official Experion LS technical documentation.

Manufacturer

Honeywell

Category

Analog Input / High Level AI

Channels

16 Inputs / 16 Channels

Signal Types

0 to 20.5 mA and 10 V-based ranges, plus channel range options

Engineering Data

Specification item Official statement / range
Number of points 16 channels.
Input voltage range ±10.25 V, 0 to 10.25 V, or 0 to 5 V range options.
Input current range 0 to 20.5 mA with internal 250 Ω current resistor.
Resolution Voltage resolution is 16 bits across each range; current resolution is 16 bits.
Signal and detection behavior Channel bandwidth: 20 Hz (-3 dB), publish rate: 250 msec, OC detection time: < 5 s.
Impedance / termination Voltage input impedance >1.0 MΩ; current input impedance is 249 Ω nominal.
Accuracy and drift Calibrated accuracy is better than 0.05% of range (voltage) and 0.15% of range including sense resistor (current).
Electrical robustness Isolation: user-to-system tested 2550 VDC for 1 s; backplane and common-mode / 50-60 Hz rejection documented.
Power dissipation 4.1 W max.

Functions

  • 16-channel high-level field signal collection for process plants using 10 V or 4-20 mA loops.
  • Supports high/low signal normalization through listed range configuration and calibration characteristics.
  • Built-in open-circuit detection behavior supports fast diagnostics at module level.
  • Provides stable performance with module publish timing suitable for loop control and logging use.
  • Compatible with Honeywell Experion LS / controller I/O architecture documented in Honeywell technical material.

Applications

Flow, pressure, level

Analog collection of multiple process transmitters in single-channel groups.

Utility plants

Used in stable signal acquisition for utilities and conventional process loops.

Chassis upgrades

Suitable for planning when replacing legacy non-isolated 16-point AI capacity with newer coated variants.

Spare management

Maintenance and procurement planning in mixed-generation Honeywell LS systems.

Lifecycle

Lifecycle topic Status
Migration / replacement path Honeywell process hint listing maps TC-IAH161 to TK-HAI081 (coated CIOM-A HART AI module family), indicating a migration path where function and form factors must be reviewed.
Discontinuation status No explicit official Honeywell bulletin date for final end-of-manufacture was retrieved in this pass.
Discontinuation date Not publicly confirmed in the available official documentation sets referenced.
Is replacement complete? Not a simple one-to-one replacement in all cases. TC-IAH161 is 16-channel non-isolated; replacement models in the hint list have different electrical/features and I/O style (e.g., HART-coated alternatives).
Key migration checks Terminal/block type, signal conditioning behavior, and HART/non-HART compatibility should be validated before final changeover.
Procurement recommendation Use the current official support route before material changes; classify as controlled migration and keep validation artifacts for FAT/SAT.

Related Products

TK-IAH161

Coated variant of the same 16-channel AI family; evaluate whether it is accepted directly in your project class.

TC-HAI081

HART AI path listed in Honeywell migration mapping for affected TC-IAH161 assets.

TC-IAH061

Prior low-channel 6-point high-level AI sibling for channel-density comparisons.

TC-IXL061 / TC-IXR061

TC thermocouple and RTD related modules in the same Experion LS family for mixed channel design standards.

FAQ

Q1: Is TC-IAH161 fully discontinued?
A1: No public official Honeywell EOM date was retrieved in current references; lifecycle confirmation should be requested from current Honeywell support channels.
Q2: Can TC-IAH161 be replaced by TK-HAI081 directly?
A2: Migration appears documented, but not always feature-for-feature. Channel count and HART behavior differ, so a validation review is required.
Q3: What is the core electrical behavior I should verify?
A3: Check input range mapping, publish rate, channel bandwidth, open-circuit behavior, and termination/connector compatibility.
Q4: Is this a full pin-level replacement?
A4: Usually no. Use controlled migration planning with wiring checks and engineering sign-off for channel maps.
Q5: What should I prepare for a change package?
A5: Prepare engineering delta list, configuration export, test record, and approved substitution justification before production cutover.

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