Product Details
Configured for 16-channel isolated signal acquisition in Honeywell Experion PKS and HC900 platforms, the Honeywell 900A16-0001 (900A16 Analog Input Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900A16-0001 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.397 kg |
| Dimensions | 137 mm x 35.6 mm |
| Operating Temp | -20 deg C to +60 deg C |
| Power Consumption | 24 VDC nominal |
| Input Channels | 16 isolated analog inputs |
| Signal Type | 4-20 mA DC standard, configurable ranges |
| Input Resistance | 250 ohms typical |
| Resolution | 16-bit |
| Accuracy | +/- 0.1 percent of span |
| Scan Rate | Configurable, typically 10 ms/channel |
| Isolation | Channel-to-channel and channel-to-bus |
| Storage Temp | -40 deg C to +85 deg C |
| Humidity | 5 percent to 95 percent RH, non-condensing |
| Diagnostics | Signal quality validation, open-circuit detection |
4-20 mA HART Loop & Channel-to-Channel Isolation
The 900A16-0001 module incorporates galavanic channel-to-channel and channel-to-bus isolation across all 16 analog inputs, preventing ground loops and common-mode potential differences from distorting process variable readings. Designed to interface directly with field instruments, the 250 ohm input resistance allows direct processing of 4-20 mA HART loop current signals. Integrated 16-bit analog-to-digital conversion combines with continuous channel diagnostics, providing real-time open-circuit detection and signal quality monitoring for critical process control loops.
Frequently Asked Questions
Q: How does channel-to-channel isolation benefit field instrumentation signals on the 900A16-0001?
A: Galvanic separation between individual channels prevents potential differences between grounded field transmitters from introducing measurement offsets or causing cross-channel interference.
Q: What diagnostic flags are generated by the module during sensor fault conditions?
A: The module executes real-time open-circuit detection and signal quality checks, asserting diagnostic alarms to the central controller when current loop values fall below standard operating thresholds.
Field Installation Guidelines
- Isolate loop power supplies before wiring field transmitters to the module terminal blocks to avoid overcurrent damage.
- Maintain individual twisted shielded pairs for each 4-20 mA loop, grounding the cable shield at a single point on the chassis earth terminal.
- Verify that terminal block screws are tightened to standard torque specifications to maintain solid low-resistance physical contacts.
- Ensure enclosure ambient conditions remain within -20 deg C to +60 deg C with non-condensing relative humidity below 95 percent.
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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