97178172 | Honeywell | TK-OAH061 6-CH Isolated AO Module

Availability: 20 left in stock

Product Overview The TK-OAH061 (Model Rev J01) is a high-performance analog output module engineered for Honeywell Experion PKS and TDC 3000 distributed...

SKU: TK-OAH061

Manufacturer: Honeywell
Product No.: TK-OAH061
Product Type: Analog Output Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 550g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The TK-OAH061 (Model Rev J01) is a high-performance analog output module engineered for Honeywell Experion PKS and TDC 3000 distributed control systems (DCS). This module is a mechanical necessity for high-precision process control, providing six galvanically isolated channels to drive critical field actuators, such as control valves and positioners. With its robust 97178172 circuitry, it ensures authoritative signal delivery in harsh industrial environments, offering high RFI immunity and comprehensive overvoltage protection. This module is essential for industries requiring trustworthy, continuous analog loop performance, including chemical processing, refining, and power generation.

Detailed Technical Specifications

Attribute	Details
Manufacturer	Honeywell
Model Number	TK-OAH061 (also refers to TC-OAH061)
Part Number	97178172
Revision	Rev J01
Module Type	Analog Output (AO)
Number of Points	6 Galvanically Isolated Channels
Output Current Range	0.0 to 21.0 mA (Supports 4–20 mA standard)
Current Resolution	13 bits across 21 mA range
Update Rate	25 ms (Global for all channels)
Isolation Voltage	2546 VDC for 1 second (Channel-to-channel & User-to-system)
RFI Immunity	< 2.0% error at 10 V/m (27 to 1000 MHz)
Output Overvoltage	24 VAC/VDC continuous protection
Terminal Block	TC-TBNH (20-position)
Power Dissipation	6.7 W Maximum
Shipping Weight	3.0 kg (6.6 lbs)

Installation and Maintenance Guide

Chassis Integration: Align the TK-OAH061 with the chassis guide rails. Ensure the module is fully seated against the backplane before tightening the retention screws.
Wiring Requirements: Utilize the TC-TBNH 20-position terminal block for field connections. To maintain high-resolution accuracy, use shielded twisted pair (STP) cabling for all 4–20 mA loops.
Thermal Management: While the module operates effectively up to +60 °C, ensuring adequate airflow within the cabinet is an authoritative requirement to manage the 6.7W peak power dissipation.
Signal Verification: Upon commissioning, use the Experion configuration tool to calibrate the 13-bit output. Verify the 4mA (Zero) and 20mA (Span) points at the field device to ensure loop integrity.
Redundancy Setup: In mission-critical loops, deploy the TK-OAH061 in a redundant pair. This configuration allows for seamless failover, ensuring the control valve remains under authoritative system control during a module swap.

Technical FAQ

What is the benefit of the 2546 VDC isolation in the TK-OAH061?

Galvanic isolation is a mechanical necessity for protecting the DCS backplane from field transients. The high 2546 VDC rating ensures that an electrical fault on one channel—such as a short circuit in a valve positioner—does not propagate to other channels or the main controller logic.

How does the RFI immunity impact plant operations?

In noisy environments where handheld radios or high-frequency drives are present, the 97178172 module maintains signal error below 2.0%. This ensures trustworthy actuator response, preventing unintended process fluctuations caused by electromagnetic interference.

Is the TK-OAH061 compatible with non-standard 0-21mA ranges?

Yes. While 4–20 mA is the industrial standard, the TK-OAH061 provides a full range up to 21.0 mA, allowing for over-range diagnostics and support for specific legacy field devices that require signals slightly outside the standard 4-20mA band.

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Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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