Configured for core control processing and communication execution in CENTUM CS3000 and CENTUM VP platforms, the Yokogawa CP461-10 S1 (CP461-10 Processor Module) provides direct physical/electrical execution.
Suffix Breakdown & Model Matrix
CP461: Base module designation for CENTUM control processor architecture.
-10: Performance configuration and hardware revision code.
S1: Style code specifying standard hardware component revision.
Hardware Specifications
Parameter
Specification
Model
CP461-10 S1
Brand
Yokogawa
Module Type
Processor Module
Origin
Japan
Processor Speed
10 MHz
On-Board Memory
64 KB RAM, 32 KB EPROM
Signal Input Support
Analog, Digital, Pulse
Sampling Rate Range
1 Hz to 100 kHz
Processing Accuracy
+/- 0.01% FS
Reliability (MTTF)
> 100,000 hours
Field Communication Protocols
Modbus, ASCII, RTU
Weight
0.7 kg (1 lbs 10.1 oz)
Dimensions
2.5 cm x 20.3 cm x 15.2 cm (1.0 in x 8.0 in x 6.0 in)
The module incorporates channel-to-channel galvanic isolation to prevent ground loop noise interference from compromising high-accuracy analog signals (+/- 0.01% FS). Integrated cold junction compensation (CJC) processing algorithms stabilize input signal scaling across standard industrial temperature fluctuations, maintaining control loop integrity over a 1 Hz to 100 kHz sampling spectrum.
Frequently Asked Questions
Q: How does the module maintain signal integrity across varying sampling rates?
A: Internal hardware filtering and channel-to-channel isolation prevent signal distortion and crosstalk across the full 1 Hz to 100 kHz acquisition rate range.
Q: What memory retention mechanism protects system parameters during power loss?
A: Operational system routines and critical parameter logic are stored in non-volatile 32 KB EPROM firmware, while volatile operational state data resides in the 64 KB RAM bus.
Field Installation Guidelines
Ensure the rack baseplate power is completely shut down prior to module insertion or removal unless the specific rack assembly explicitly supports powered hot-swapping. Mount the module firmly into the designated card slot of the rack chassis to ensure full engagement of the backplane connectors. All analog and digital signal wiring must use shielded twisted-pair cables. Ground cable shields at a single point on the system side to eliminate ground potential loops. Maintain adequate clearance around the module chassis to facilitate standard convective airflow dissipation.
