The Yokogawa CP451-10 serves as the primary intelligence for Field Control Stations (FCS) within the CENTUM VP and CENTUM CS 3000 Distributed Control Systems (DCS). This high-performance Processor Module executes complex regulatory control, sequence logic, and system-wide synchronization with microsecond precision. Beyond core CPU tasks, the CP451-10 integrates 32-channel digital output functionality, allowing the DCS to directly actuate field devices like solenoids, relays, and indicators. It maintains process stability in mission-critical environments, including petrochemical plants and power generation facilities, by managing high-speed I/O communication and advanced diagnostics.
Yokogawa utilizes specific codes to define module functionality and environmental hardening:
CP451: Base model for the CENTUM series Processor Module with Digital Output.
-10: Designates the standard type for non-redundant or specific architectural configurations within the Field Control Station.
Functional Integration: Combines the logic processing unit with an I/O interface, reducing the need for separate digital output cards in compact installations.
The CP451-10 handles high-density control tasks while providing robust electrical isolation for field signals.
| Feature | Specification |
| Model Number | CP451-10 |
| System Compatibility | CENTUM VP, CENTUM CS 3000 |
| Digital Output Channels | 32 Channels |
| External Power Supply | 24 VDC (Range: 20.4 – 26.4 VDC) |
| Max Load Current | 100 mA per channel @ 26.4 VDC |
| Output Type | Sink/Source (ON/OFF and Pulse Width Output) |
| Leakage Current | 0.1 mA (Maximum when OFF) |
| Operating Temperature | Standard Industrial Range (Vibration Resistant) |
| Net Weight | 0.45 kg |
Hybrid Processing Power: By combining CPU logic and 32 Digital Outputs on a single module, the CP451-10 saves critical rack space. This integration simplifies the backplane architecture and reduces the total number of hardware components required for sequence control.
Superior Noise Immunity: Yokogawa builds this module with advanced shielding to withstand electromagnetic interference (EMI). This ensures that logic execution remains unaffected by the high-voltage noise typically found in motor control centers (MCC) and turbine halls.
Deterministic Logic Execution: The module utilizes a deterministic scan cycle, ensuring that critical safety interlocks and PID loops run at consistent intervals. This hardware-level timing prevents jitter in process variables, which is essential for stable chemical manufacturing.
Advanced Diagnostics: Internal circuits continuously monitor the health of each output channel. The CP451-10 identifies short circuits or open loads immediately, sending real-time status data to the CENTUM VP Human Interface Station (HIS) to facilitate rapid maintenance.
Q: Is the Yokogawa CP451-10 supplied as 100% Brand New?
A: Yes. We supply only 100% Brand New and Original Yokogawa hardware in factory packaging. Each module includes a 12-month factory warranty to guarantee performance in your DCS environment.
Q: Can this module be used in a redundant configuration?
A: The CP451-10 is a standard processor module. For dual-redundant FCS setups, you must use the appropriate Yokogawa redundancy-ready hardware and matching firmware licenses within the CENTUM VP configuration software.
Q: Does the CP451-10 support Pulse Width Output (PWO)?
A: Yes. The module supports ON/OFF control as well as Pulse Width Output, allowing for more granular control of field actuators that require duration-based signals.
Q: How do I handle the external power supply for the 32 output channels?
A: You must provide a regulated 24 VDC external power source to the module terminals. The CP451-10 requires this power to drive field loads up to 100 mA per channel, ensuring that internal CPU power remains isolated from field-side electrical stress.
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