Honeywell TK-OAH061 Analog Output Module
Warranty: 1 year
Condition : brand new in factory sealed box
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Detail
- Product NameHoneywell TK-OAH061 Analog Output Module
- Item NO.3741727
- Weight1.0000 kg = 2.2046 lb = 35.2740 oz
- CategoryDCS
- BrandHoneywell
- Creation Time2026-08-20
TK-OAH061
Product Identification
TK-OAH061 (Part No. 97178172) is a high-performance 6-channel analog output module from Honeywell's Experion PKS C200 I/O family. It provides precision 4‑20 mA current output signals for controlling field devices such as control valves, actuators, variable speed drives, and dosing pumps.
The "TK" prefix designates a conformal coated module, providing enhanced protection against moisture, dust, and corrosive airborne contaminants. This makes it particularly suitable for harsh industrial environments such as chemical plants, paper mills, and offshore platforms.
The module features 6 galvanically isolated channels with 13-bit resolution, a 25 ms global update rate, and support for open-wire detection. It is physically and functionally compatible with the non-coated TC-OAH061, using the same TC-TBNH 20-position terminal block.
- Honeywell Experion PKS C200
- 6-channel analog output
- Part Number: 97178172
- Conformal coated (TK prefix)
- TC-TBNH 20-position terminal block
Engineering Data
Electrical specifications
| Manufacturer | Honeywell Process Solutions |
| Model | TK-OAH061 |
| Part Number | 97178172 |
| Product type | Analog Output Module |
| Output channels | 6 galvanically isolated |
| Output range | 0-21 mA (supports 4-20 mA) |
| Resolution | 13 bits across 21 mA (2.7 µA) |
| Calibrated accuracy @ 25°C | Better than 0.1% of range (4-21 mA) |
| Update rate | 25 ms (all channels) |
| Settling time | < 2 ms to 95% (resistive load) |
| Isolation voltage | 2546 VDC (channel-channel, user-system) |
| Backplane current (5.1 VDC) | 250 mA |
| Backplane current (24 VDC) | 300 mA |
| Power dissipation | 6.7 W max |
Physical & environmental
| Mounting | C200 I/O chassis |
| Terminal block | TC-TBNH (20-position) |
| Operating temperature | -40°C to +75°C |
| Storage temperature | -40°C to +85°C |
| Protection rating | IP20 |
| Conformal coating | Standard (TK prefix) |
| RFI immunity | < 2.0% error at 10 V/m |
| Hardware revisions | J01 (current), F01 (earlier) |
| Country of origin | USA |
Functions
Signal conversion & control
- Digital-to-analog conversion — Receives digital values from the C200 controller and converts them to precise 4‑20 mA current outputs using 13-bit D/A conversion resolution.
- Galvanic isolation — Six independent isolated channels eliminate ground loops and protect system-side electronics from field-side electrical interference.
- Deterministic update rate — 25 ms global update rate synchronizes all channels simultaneously, supporting complex cascade control applications.
Diagnostics & protection
- Open-wire detection — Active for 4-20 mA current output operation, detects open circuits and sets WIREOFF bits when current is driven above 0.1 mA.
- Overvoltage protection — 24 VAC/VDC continuous protection on all output channels prevents damage from field wiring errors.
- Current limiting — Electronically limited to 21 mA or less during short-circuit faults, safeguarding field wiring and terminations.
Applications
The TK-OAH061 is widely deployed in process control applications requiring precision analog output with galvanic isolation and corrosion protection.
Lifecycle
Active currently in production — fully supported
Product status: The TK-OAH061 remains an active, supported product in Honeywell's C200 I/O portfolio. It continues to be the recommended analog output solution for new Experion PKS installations requiring conformal coating.
Spare parts & support: Replacement units and accessories are available through Honeywell's standard support channels and authorized distributors. The C200 I/O family is designed for long‑term availability.
Migration & replacement:
- Conformal coating for corrosive environment protection
- 6 galvanically isolated channels
- 13-bit resolution with 0.1% accuracy
- Open-wire detection and current limiting
Recommendation: For new Experion PKS analog output applications in harsh environments, the TK-OAH061 remains the recommended solution.
