The Honeywell 900C30S-0460 serves as the primary processing intelligence for the HC900 Hybrid Control System. This C30S variant provides high-performance logic execution and advanced loop control for mid-sized industrial applications. It manages up to 400 function blocks and a significant I/O count, making it the central "brain" for batch automation, thermal processing, and safety-related interlocks. We guarantee this module as 100% Brand New and Original, delivered in its factory-sealed box to ensure maximum field reliability.
| Attribute | Specification Value |
| Model Number | 900C30S-0460 |
| Processor Type | High-performance Embedded CPU |
| Memory Capacity | 64 MB RAM + Integrated Flash |
| Logic Execution | Supports 400 Function Blocks |
| Analog I/O Capacity | 192 Inputs / 40–192 Outputs (Configurable) |
| Digital I/O Capacity | 384 Inputs / 384 Outputs (up to 1920 UOI) |
| Communication Protocols | Modbus TCP, Modbus RTU, Ethernet/IP, PROFIBUS |
| Physical Interfaces | 1 x RJ45 Ethernet, RS-485 Serial |
| Supply Voltage | 5 VDC (via backplane) / 24 VDC rack power |
| Operating Temp | 0°C to +60°C |
High-Density I/O Management: The 900C30S-0460 handles up to 192 analog inputs within a compact footprint. This capability allows engineers to consolidate extensive sensor arrays—such as temperature monitoring in petrochemical refineries—into a single controller, reducing cabinet complexity and total hardware spend.
Multi-Protocol Connectivity: This CPU eliminates communication silos by natively supporting Modbus TCP, Ethernet/IP, and PROFIBUS. It integrates seamlessly with existing SCADA systems, HMI panels, and third-party motor drives, ensuring high-speed data exchange across diverse plant architectures.
Deterministic Hybrid Control: The module processes both discrete logic (PLC) and continuous loop control (PID) simultaneously. This deterministic execution prevents timing jitter in critical batch processes, such as chemical dosing or furnace temperature ramp-up, where precise control is non-negotiable.
Advanced Memory Architecture: With 64MB of RAM and dedicated Flash storage, the CPU retains complex user programs and historical process data through power cycles. It eliminates the need for battery-backed memory, significantly lowering long-term maintenance requirements in remote or harsh locations.
Optimized Thermal Performance: The hardware design accounts for heat de-rating, allowing the controller to drive up to 48 analog outputs under high-temperature conditions, or up to 192 outputs with an external power source. This flexibility ensures stable operation in manufacturing environments like glass kilns and steel furnaces.
Can the 900C30S-0460 be used for safety-rated applications?
The "S" in the part number denotes suitability for Safety-related applications within the HC900 series. When configured correctly with the HC900 Designer software, it supports Safety Integrity Level (SIL) requirements for process safeguarding.
What is the maximum I/O capacity for this specific model?
The 900C30S-0460 supports up to 192 analog inputs and 384 digital inputs/outputs. For higher point counts, the Honeywell C50 or C75 series CPUs provide expanded scaling.
How does this CPU communicate with remote I/O racks?
The CPU utilizes its integrated Ethernet and serial ports to coordinate data with remote station modules (RSMs) over a high-speed backplane bus, ensuring real-time signal acquisition across distributed plant areas.
Is the terminal block included?
The 900C30S-0460 features a removable terminal connector for the serial interface, facilitating rapid replacement and maintenance without disturbing the permanent field wiring.
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