Product Details
Configured for high-reliability process execution and safe logic control in ControlEdge HC900 architectures, the Honeywell 900C51-0001 (900C51-0001 CPU Module) provides direct physical/electrical execution. It handles dual-core instruction processing, on-board I/O processing, and real-time network communications across plant control platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900C51-0001 |
| Brand | Honeywell |
| Origin | United States |
| Weight | 0.59 kg |
| Dimensions | 6.8 cm x 10.7 cm x 7.8 cm |
| Operating Temp | -20 to 60 deg C (-4 to 140 deg F) |
| Power Consumption | Rack backplane bus powered |
| Processor | Dual-core ARM Cortex-A9 (1 GHz clock speed) |
| Memory | 1 GB RAM, 4 GB Flash memory |
| Integrated I/O | 16 Digital Inputs, 16 Digital Outputs, 4 Analog Inputs, 4 Analog Outputs |
| Communications | Ethernet, ControlNet, DeviceNet |
| Operating Environment | Honeywell Experion PKS |
Channel-to-Channel Isolation and Analog Loop Protocols
The Honeywell 900C51-0001 CPU module incorporates dedicated hardware subroutines to execute deterministic control loops and signal processing tasks. For process measurement instrumentation, the module interfaces with field loops utilizing the standard 4-20 mA HART loop protocol alongside FOUNDATION Fieldbus and Profibus PA connectivity options. High galvanic channel-to-channel isolation safeguards internal microprocessor buses from common-mode voltage spikes and loop ground noise. In thermocouple sensing applications, integrated signal conditioning routines apply real-time cold junction compensation (CJC) algorithms directly at the local terminal blocks to eliminate ambient temperature conversion errors.
Frequently Asked Questions
Q: Does the 900C51-0001 CPU module support redundant lockstep configuration?
A: Yes, the 900C51-0001 supports redundant CPU pair deployment within the ControlEdge HC900 architecture. Primary and secondary modules synchronize program state data over dedicated high-speed redundancy links to ensure seamless failover without interrupting active outputs.
Q: What precautions are necessary for the onboard digital and analog I/O wiring terminals?
A: Integrated digital and analog I/O channels require isolated field power supplies where applicable. Signal lines must be shielded, and analog input pairs must maintain strict separation from high-voltage AC wiring to prevent channel crosstalk and maintain cold junction compensation measurement integrity.
Field Installation Guidelines
- Power down the controller chassis rack before inserting or seating the 900C51-0001 module into its designated backplane slot unless working within an active redundant system configured for hot-swap operations.
- Align the module circuit board with the upper and lower chassis guide tracks and slide the unit firmly until the rear connector fully seats into the backplane.
- Tighten the top and bottom mechanical retaining screws to ensure continuous chassis frame grounding and vibration protection.
- Route all Ethernet, ControlNet, and DeviceNet communication cabling through separate cable conduits away from high-current motor lead or power distribution lines.
- Terminate all field wiring cable shields at a single chassis ground bus bar to eliminate ground loop currents across the I/O channels.
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.































