Product Details
The Honeywell TK-HAIO81 is an 8-channel high-precision analog output module designed for process control and automation. Featuring HART communication compliance (Revision 5.7), it delivers analog current signals to control valves and field actuators while enabling online device diagnostics and remote configuration.
Output Performance and Speed
The module provides eight output channels operating across a 0 to 21 mA signal range with a 15-bit resolution (656 nA/bit). It executes a scan time of 0-100% across all channels in 10 ms. For step response, current output reaches 95% of its final value in less than 23 ms without HART and less than 35 ms with HART enabled, while voltage output reaches 95% in less than 8.5 ms.
Protection and Stability
Built-in short-circuit protection safeguards individual outputs against wiring faults. Stability over operating temperature limits is defined by offset drift ratings of 50 uV/deg C for voltage and 200 nA/deg C for current, along with gain drift ratings of 20 ppm/deg C for voltage and 30 ppm/deg C for current. Robust RFI immunity restricts output signal error to less than 2.0% of range at 10 V/m across 27 to 1000 MHz.
| Parameter | Specification |
|---|---|
| Model | TK-HAIO81 |
| Brand | Honeywell |
| Product Type | HART Analog Output Module |
| Output Channels | 8 analog outputs |
| Signal Range | 0 to 21 mA |
| Resolution | 15 bits (656 nA/bit) |
| HART Protocol | Revision 5.7 compliance |
| Scan Time | 0-100% for all channels in 10 ms |
| Current Output Settling Time (95% final value) | <23 ms (without HART), <35 ms (with HART) |
| Voltage Output Settling Time (95% final value) | <8.5 ms |
| Offset Drift | 50 uV/deg C (Voltage), 200 nA/deg C (Current) |
| Gain Drift | 20 ppm/deg C (Voltage), 30 ppm/deg C (Current) |
| Protection | Short-circuit protection |
| RFI Immunity | Error <2.0% of range at 10 V/m (27 to 1000 MHz) |
| Operating Temperature | -20 deg C to +70 deg C |
| Dimensions | 140 mm x 100 mm x 40 mm |
| Weight | 0.5 kg |
Frequently Asked Questions
Q: Does the TK-HAIO81 module support HART field instrument communications?
A: Yes, it complies with HART Protocol Revision 5.7 for digital instrument diagnostics and signal pass-through across all 8 channels.
Q: How does HART communication affect the current output response time?
A: Current output settling time to 95% of final value is less than 23 ms without HART, and increases to less than 35 ms when HART communication is active.
Q: What short-circuit protections are built into the TK-HAIO81?
A: The module includes onboard short-circuit protection to prevent hardware damage from improper field loop wiring or device short circuits.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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