CP701 S1 Yokogawa Field Control CPU Module

CP701 S1 Yokogawa CENTUM VP Field Control CPU Modules

CP701 S1 Yokogawa CENTUM VP Field Control CPU Modules

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Yokogawa CP701 S1 Field Control CPU Module The Yokogawa CP701 S1, also cataloged as the CP701 Field Control CPU Module,...

رمز المنتج: CP701/S1

Manufacturer: Yokogawa
Product No.: CP701/S1
Product Type: CPU Processors
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Yokogawa CP701 S1 Field Control CPU Module

The Yokogawa CP701 S1, also cataloged as the CP701 Field Control CPU Module, operates as a dedicated hardware component for executing high-speed process control logic within CENTUM CS3000 and CENTUM VP DCS platforms.

Hardware Specifications

Parameter	Specification
Model	CP701 S1
Brand	Yokogawa
Origin	Japan
Weight	0.35 kg
Dimensions	Standard rack-mount module width
Operating Temp	-10 to +55 deg C
Power Consumption	24 VDC nominal supply load
Module Type	Field Control CPU
System Compatibility	CENTUM CS3000, CENTUM VP
On-Board Memory	8 MB high-speed memory
Control Cycle Time	100 ms (configurable down to 10 ms)
I/O Capacity	Up to 50,000 tags per controller
Bus Connectivity	Vnet/IP, ESB bus, Ethernet, serial
Switching Latency	Less than or equal to 50 ms switchover

4-20 mA HART Loop Integration and CJC Processing

The processor unit coordinates real-time fieldbus signal exchange by scanning connected remote I/O nodes over high-speed bus interfaces. The internal software architecture processes 4-20 mA HART loop protocol variables alongside primary process measurements without increasing memory execution latency. Dedicated bus channels stream analog data directly from field transmitters, maintaining digital cold junction compensation (CJC) accuracy across temperature input cards and ensuring precise closed-loop control execution under varying ambient conditions.

Frequently Asked Questions

Q: How does the CPU maintain deterministic performance during dual-redundant switchover events?

A: In a 1:1 dual-redundant configuration, two CP701 S1 processors synchronize internal memory states continuously across a dedicated redundancy bus. If the primary controller detects a hardware fault, execution transfers to the standby CPU within 50 ms without dropping process control outputs or resetting loop states.

Q: What power rail tolerances must be maintained at the module backplane connector?

A: The module relies on a regulated 24 VDC backplane bus feed. Input voltage variations must remain within specified system limits to ensure uninterrupted execution of the proprietary 75 MHz processing core and prevent soft resets caused by voltage sags.

Field Installation Guidelines

Verify that cabinet power is isolated before inserting or removing the CPU from the controller rack. Align the module card edges smoothly with the upper and lower guide rails of the rack slot, pressing firmly until the rear connector seats completely into the backplane. Tighten the top and bottom captive mounting screws to secure the physical ground path and prevent vibration-induced disconnects. Connect network cables using shielded twisted-pair media, ensuring that all cable shields terminate to cabinet protective earth (PE) ground bars at a single point to mitigate electromagnetic interference.

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