Product Details
The Honeywell 900H32-0302, also cataloged as the 900H32 Digital Output Module, operates as a dedicated hardware component for discrete signal switching within Honeywell ControlEdge HC900 Hybrid Controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900H32-0302 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.18 kg (0.40 lbs) |
| Dimensions | Standard HC900 rack slot footprint |
| Operating Temp | -40 to 70 deg C (Storage: -40 to 85 deg C) |
| Power Consumption | 235 mA max at 5 VDC (0 mA at 24 VDC backplane bus); 1.175 W heat dissipation |
| Number of Channels | 32 outputs (current sourcing, high side driver) |
| Operating Voltage | 10.5 to 32 VDC (32 VDC peak) |
| ON Voltage Drop | 0.15 VDC at 0.5 A load |
| Response Time | 6 ms (OFF to ON / ON to OFF) |
| Isolation & Protection | Galvanic isolation (2 groups of 16 outputs); Electronic fuse limiting |
| Product Category | PLCs/Machine Control / Digital Output Cards |
Galvanic Isolation & Process Control Integration
The 900H32-0302 module routes 32 high-side 24 VDC switching channels partitioned into 2 galvanically isolated groups of 16 outputs. Built to operate cleanly alongside process controller nodes executing 4-20 mA HART loop protocol tasks, the module incorporates solid-state drivers with electronic current limiting to suppress field inductive voltage spikes. Low leakage current metrics (0.15 mA max at 32 VDC) and minimal ON-state voltage drop preserve logic state integrity across distributed DCS field interfaces.
Frequently Asked Questions
Q: How is galvanic isolation structured across the 32 discrete output channels?
A: Channels are divided into 2 isolated banks of 16 channels each, isolating field switching currents from the backplane logic and adjacent output groups.
Q: What is the backplane power drain at 5 VDC and 24 VDC for this module?
A: The board draws a maximum of 235 mA from the 5 VDC backplane rail and 0 mA from the 24 VDC backplane supply.
Q: Does the module require physical fuses for channel overload protection?
A: No, the output circuit topology incorporates electronic current-limiting protection to manage field-side short circuits and overcurrent states.
Field Installation Guidelines
- Confirm that backplane rack power is completely disconnected before inserting or removing the 900H32-0302 module.
- Connect external 10.5 to 32 VDC field power supplies to each isolated 16-channel group terminal block with correct polarity.
- Keep 24 VDC output field wiring physically separated from high-voltage AC cables in panel wire trunks to eliminate capacitive noise coupling.
- Fasten top and bottom module mounting screws securely to establish chassis ground continuity and prevent movement under high-vibration conditions.
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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