Product Details
The Honeywell 900C72-0144-00 serves as the primary 900C72-0144-00 Controller CPU Module utilized to execute real-time control algorithms and deterministically process up to 480 I/O points across Honeywell HC900 Process Control System platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900C72-0144-00 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.56 kg |
| Dimensions | 3.0 cm x 31.3 cm x 27.8 cm |
| Operating Temp | -20 to +60 deg C |
| Power Consumption | 24 VDC nominal supply input |
| Processor Type | Advanced 32-bit microcontroller |
| Memory Type | Non-volatile memory for program and data storage |
| I/O Expansion Capacity | Supports up to 480 I/O points |
| Integrated Interfaces | Ethernet (10/100 Mbps), RS-485 serial, RS-232 serial |
| Engineering Software | Honeywell HC Designer software |
| Control Logic Execution | PID loops, discrete logic, sequencing, and timing functions |
Channel-to-Channel Isolation and DCS Network Interoperability
Operating via a high-performance 32-bit microcontroller architecture, the 900C72-0144-00 CPU module governs multi-loop PID, timing, and sequential control operations across discrete and analog process racks. Integrated 10/100 Mbps Ethernet and RS-485/RS-232 serial interfaces establish deterministic data throughput to higher-level DCS host networks while maintaining loop signal integrity. Hardware-level channel-to-channel isolation prevents field ground loops and electrical transients from degrading 4-20 mA HART loop protocol signals and high-density I/O bus communications.
Frequently Asked Questions
Q: How does the non-volatile memory on the 900C72-0144-00 behave during a control rack power loss?
A: Program code and execution state parameters are stored in non-volatile flash memory, retaining full configuration data without requiring battery backup during prolonged power outages.
Q: What is the maximum physical I/O expansion capability supported by a single 900C72-0144-00 CPU?
A: The module directly manages and scans a total memory map of up to 480 I/O points across connected local and expansion racks.
Q: Which serial communication protocols are physically supported by the integrated interfaces?
A: The CPU module incorporates dedicated RS-232 and RS-485 physical serial ports for point-to-point interface connections and multi-drop field device networks.
Field Installation Guidelines
- Verify that the primary rack power feed is de-energized before mounting or removing the 900C72-0144-00 CPU module.
- Align the module housing with the subrack guide slots and push firmly until the rear edge connector latches fully into the backplane.
- Terminate Ethernet communication cables using shielded RJ-45 connectors, grounding the cable shield braid to the main panel enclosure earth bus.
- Wire the 24 VDC auxiliary power supply connections ensuring correct polarity and recommended wire gauge limits.
- Maintain a minimum 50 mm clearance around the module chassis top and bottom vents to facilitate natural thermal convection.
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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