Product Details
The Honeywell 8U-PAOHA1, also cataloged as the 8U-PAOHA1 Analog Output Modules, operates as a dedicated hardware component for multi-channel current signal generation within Honeywell Series 8 platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 8U-PAOHA1 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.5 kg (1.1 lbs) |
| Dimensions | 100 mm x 70 mm x 25 mm (3.94 in x 2.76 in x 0.98 in) |
| Operating Temp | -40 deg C to +85 deg C |
| Power Consumption | 24 VDC operating voltage |
| Product Type | Analog Output Module with HART Communication |
| Output Signal Type | 4-20 mA |
| Number of Channels | 16 |
| Resolution | 12 bits |
| Accuracy | +/-0.1% of full scale |
4-20 mA HART Loop Protocol & Channel Isolation
The module converts 12-bit digital control values from the Series 8 backplane into 16 independent 4-20 mA analog output loops. Integrated HART loop communication capabilities enable bi-directional pass-through of secondary digital process variables and field instrument diagnostic parameters across each channel. Galvanic channel-to-channel isolation safeguards the central controller backplane from potential ground loops, transient voltage surges, and common-mode electrical noise across field-side cabling.
Frequently Asked Questions
Q: Does the 8U-PAOHA1 module support digital HART signal pass-through?
A: Yes, the module supports HART communication protocols superimposed over the 4-20 mA analog output signals across all 16 channels.
Q: What operating voltage is required for the internal circuitry of the 8U-PAOHA1?
A: The module operates from a nominal 24 VDC power supply system interface within the Series 8 carrier assembly.
Q: What is the operating temperature range for this analog output module?
A: The hardware is rated for continuous field operation across ambient temperatures from -40 deg C to +85 deg C.
Field Installation Guidelines
- Isolate main power to the Series 8 I/O Terminal Assembly (IOTA) baseplate before inserting or removing the 8U-PAOHA1 module.
- Align the module edge connector with the designated IOTA slot and push firmly until side retention mechanisms latch completely.
- Utilize shielded twisted-pair cabling for all 4-20 mA current loop outputs to prevent external electromagnetic interference.
- Ground cable shields at a single dedicated cabinet grounding bus bar to eliminate ground loop current paths.
- Maintain a minimum clearance of 50 mm around the module housing to support natural convective heat dissipation across the ambient range of -40 deg C to +85 deg C.
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.
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