CP703 Yokogawa CENTUM Series Datasheet & Technical Manual

CP703 Yokogawa CENTUM Field Control Station CPU Module

CP703 Yokogawa CENTUM Field Control Station CPU Module

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YOKOGAWA CP703 Field Control Station CPU Module Configured for real-time control logic execution in CENTUM platforms, the YOKOGAWA CP703 (CP703...

SKU: CP703

Manufacturer: Yokogawa
Product No.: CP703
Product Type: CPU Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 700g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA CP703 Field Control Station CPU Module

Configured for real-time control logic execution in CENTUM platforms, the YOKOGAWA CP703 (CP703 Field Control CPU) provides direct physical/electrical execution.

Hardware Specifications

Parameter	Specification
Model	CP703
Brand	Yokogawa
Origin	Japan
Weight	700 g
Dimensions	100 x 162 mm
Operating Temp	Industrial standard compliant
Power Consumption	Low-power architecture
Processor	R4300 (75 MHz internal)
Memory Capacity	16 MB DRAM
Communication	VLnet, RS-232C

4-20 mA HART Loop and DCS Connectivity

The CP703 serves as the computational core for process control, managing high-density signal integration across distributed control systems. It utilizes deterministic VLnet communication to interface with I/O modules, maintaining precise loop timing for 4-20 mA HART signals. By offloading I/O management to an auxiliary H8S microcontroller, the unit ensures consistent scan rates even under high tag count loads. Channel-to-channel signal isolation is maintained through the system backplane, preventing common-mode noise from affecting the processor's core logic execution.

Frequently Asked Questions

Q: Can the CP703 be used as a direct replacement for the CP701 model?

A: Physical dimensions are compatible, but software validation is mandatory. Because the CP703 provides 16 MB of DRAM versus the 8 MB in the CP701, the system database and memory map must be verified to ensure firmware compatibility and address mapping alignment.

Q: How does the module handle redundancy during a processor failure?

A: The CP703 supports dual-redundant configuration. If the primary unit experiences a fault, the secondary module initiates an automated, bumpless transfer of control, provided both modules are synchronized via the dedicated system bus.

Field Installation Guidelines

Handling: Wear an electrostatic discharge (ESD) wrist strap when handling the CP703 card to prevent damage to the R4300 microprocessor and internal memory components.
Insertion: Align the module carefully with the card guide rails on the CENTUM system rack. Apply uniform pressure to the extraction levers until the module is fully seated and the backplane connectors are engaged.
Configuration: After installation, verify the LED status indicators. If the system fails to detect the module, ensure the VLnet cabling is securely terminated and the firmware revision is cross-referenced with the station database settings.

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