Product Details
The Honeywell 900C70S-0360-00, also cataloged as the 900C70S CPU Module, operates as a dedicated hardware component for SIL-rated process control, function block execution, and remote I/O processing within ControlEdge HC900 platforms. Powered by a 5 VDC backplane supply drawing up to 1350 mA, the unit processes discrete and analog control loops across dual RS-485 serial interfaces and triple 10/100 Base-T Ethernet ports. It handles deterministic function block processing while maintaining real-time communication links to local and expansion racks.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 900C70S-0360-00 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.85 lbs (0.39 kg) |
| Dimensions | Standard ControlEdge HC900 CPU slot footprint |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 1350 mA maximum at 5 VDC backplane |
| Functional Capability | Up to 5000 function blocks (SIL-rated) |
| Serial Interfaces | 2 x RS-485 serial ports |
| Ethernet Interfaces | 3 x 10/100 Base-T Ethernet ports |
| I/O Processing | Remote I/O rack expansion supported |
Channel-to-Channel Isolation & DCS Network Performance
The Honeywell 900C70S-0360-00 module integrates isolated physical communication transceivers across its triple 10/100 Base-T Ethernet and dual RS-485 interfaces, decoupling central execution logic from field network noise. Internal isolation circuitry protects CPU memory registers during high-speed data transmission between remote I/O racks and process controllers. This isolated interface layer maintains signal integrity for connected analog modules handling 4-20 mA HART loop protocol field instruments and temperature sensors.
Frequently Asked Questions
Q: How is the primary power supplied to the 900C70S-0360-00 CPU module?
A: The module draws power directly from the 5 VDC system backplane bus regulated by the rack power supply, consuming up to 1350 mA under maximum processing load.
Q: Can the 900C70S-0360-00 CPU module be removed or inserted while the rack is powered?
A: Removal and insertion under power (RIUP) must comply with ControlEdge HC900 system rules; system power off is recommended during CPU hardware swaps to prevent backplane bus communication faults.
Field Installation Guidelines
- Seat the 900C70S-0360-00 securely into the dedicated CPU slot of the HC900 controller rack, ensuring top and bottom retaining levers lock into the frame.
- Connect shielded twisted-pair cables to the dual RS-485 ports, ensuring termination resistors are properly set at both ends of the serial bus loop.
- Utilize Category 5e or higher shielded Ethernet cables for the three 10/100 Base-T ports to maintain isolated data links to network switches and remote I/O chassis.
- Bond the controller rack chassis to protective earth (PE) using a dedicated grounding conductor before energizing the assembly.
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.
Tech & Buying Guide
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