The Honeywell 900C50S-0460 stands as the premier safety-certified processor for the ControlEdge HC900 automation platform. This SIL-2 safety-rated CPU module executes both critical safety interlocks and standard regulatory process control within a single, unified hardware environment. It manages complex logic, PID loops, and high-speed sequencing while adhering to strict safety integrity requirements. We supply this module as 100% Brand New and Original, providing the hardware foundation necessary for burner management systems (BMS), emergency shutdowns (ESD), and critical process safeguarding.
| Feature | Specification Details |
| Model Number | 900C50S-0460-00 |
| Safety Rating | SIL-2 Certified (Safety Instrumented System) |
| Processor Type | ControlEdge 900 High-Performance CPU |
| Communication Ports | Dual Ethernet (Modbus TCP/IP), Serial (Modbus RTU) |
| I/O Support | Multiple Racks (8-slot and 12-slot) |
| Memory | Non-volatile Flash for Secure Logic Storage |
| Dimensions | 137mm H x 38.1mm W (5.4" H x 1.5" W) |
| Weight | 0.36 kg (0.79 lbs) |
| Mounting | DIN Rail (Within HC900 I/O Racks) |
| Operating Environment | Industrial-grade thermal and EM resistance |
Integrated Safety & Control: The 900C50S-0460 eliminates the need for separate safety and process controllers. It executes SIL-rated safety functions alongside standard control tasks, reducing hardware costs and simplifying the communication interface between safety and process layers.
High-Speed Safety Logic: The module processes critical safety interlocks with high-speed execution cycles. This rapid response ensures that your system reaches a predetermined safe state immediately upon detecting a hazardous process excursion.
Secure Non-Volatile Memory: Dedicated non-volatile storage protects the safety configuration and application code. This safeguards the system against program corruption during power fluctuations, ensuring the safety logic remains valid and ready for execution upon restart.
Redundancy Support: This CPU supports redundant configurations to achieve high system availability. In a redundant setup, the backup CPU monitors the primary unit and assumes control instantaneously if a fault occurs, preventing nuisance trips in continuous process industries.
Advanced Diagnostics: Integrated self-testing routines continuously monitor the CPU's internal health. The module identifies hardware failures in real-time and alerts operators through the HC900 diagnostic network, allowing for proactive maintenance before safety is compromised.
What distinguishes the 900C50S-0460 from a standard C50 CPU?
The "S" designation indicates a Safety-rated version. The 900C50S-0460 undergoes rigorous SIL-2 certification, making it suitable for Safety Instrumented Systems (SIS), whereas the standard C50 is intended for regulatory control only.
Is special software required for safety configuration?
Yes. You must use Honeywell HC Designer with safety-enabled libraries to configure the SIL-rated logic. The software enforces specific safety protocols to ensure compliance with SIL-2 standards.
Can I use this module in a non-safety application?
While the 900C50S-0460 can execute standard control functions, its primary value lies in its safety certification. For applications that do not require SIL-2 ratings, a standard C50 or C70 module may be more cost-effective.
How do you guarantee the condition of the CPU?
We guarantee this 900C50S-0460 is 100% Brand New and ships in its original, factory-sealed Honeywell packaging. Every unit includes a full 12-month professional warranty.
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.