CP471-01 S2 Yokogawa Processor Module

Processor Module | Yokogawa CP471-01 S2 CENTUM VP

Processor Module | Yokogawa CP471-01 S2 CENTUM VP

Availability: 20 left in stock

Yokogawa CP471-01 S2 CENTUM VP Processor Module The Yokogawa CP471-01 S2 serves as the primary CP471-01 Processor Module utilized to...

SKU: CP471-01 S2

Manufacturer: Yokogawa
Product No.: CP471-01 S2
Product Type: CPU Processors
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 1200g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa CP471-01 S2 CENTUM VP Processor Module

The Yokogawa CP471-01 S2 serves as the primary CP471-01 Processor Module utilized to execute real-time control algorithms and high-speed data acquisition across Yokogawa CENTUM VP DCS platforms. Operating inside Field Control Units (FCUs), this 32-bit RISC processing unit manages I/O module communication over ESB/ER bus subnets while interfacing with Vnet/IP plant networks. The module executes deterministic control cycles within 100 ms and interfaces with EC401 ESB bus node units (style S3 or later) under Control Function for Field Control Station software version R6.05 or later.

Suffix Breakdown & Model Matrix

The model configuration and style suffix define specific hardware hardware revisions:

CP471-01: Standard processor hardware architecture for CENTUM VP Field Control Units.
Suffix S2: Hardware revision providing enhanced durability and ISA G3 compliant conformal coating for harsh environmental operating profiles.

Hardware Specifications

Parameter	Specification
Model	CP471-01 S2
Brand	Yokogawa
Origin	Japan
Weight	1.2 kg
Dimensions	120 mm x 25 mm x 130 mm
Operating Temp	-20 to +60 deg C
Power Consumption	15 W (24 VDC / 5 VDC backplane bus)
Processor Type	32-bit RISC processor
Memory	64 MB program memory, 128 MB data memory
Redundancy	Dual-redundant (Hot-standby) supported
Node Compatibility	EC401 ESB bus node unit (style S3 or later)
Software Requirement	Control Function for FCS R6.05 or later
Isolation Voltage	1500 VAC for 1 minute
Compliance	ISA Standard G3

Process Control Loops and Fieldbus Integration

The CP471-01 S2 processor module maintains continuous data synchronization across distributed process loops by executing 4-20 mA HART loop protocol translation and routing FOUNDATION Fieldbus / Profibus PA communications. Channel-to-channel isolation safeguards the CPU processing core from voltage spikes originating on field subnets, while dedicated signal processing routines implement cold junction compensation (CJC) algorithms for direct temperature measurement circuits. This deterministic processing framework prevents signal degradation during continuous execution of complex multi-loop control strategies.

Frequently Asked Questions

Q: What software version is required to run the CP471-01 S2 in a CENTUM VP system?

A: The CP471-01 S2 requires Control Function for Field Control Station software version R6.05 or newer, alongside EC401 ESB node units of style S3 or later.

Q: How does the dual-redundancy feature function during a CPU hardware fault?

A: In a dual-redundant pair, the active processor updates the standby unit's memory continuously over the backplane; upon an active CPU failure, control transfers to the standby module within a single execution cycle without interrupting field outputs.

Q: Can maintenance technicians insert or remove a secondary CP471-01 S2 while the rack is powered?

A: Yes, in a dual-redundant configuration, technicians can hot-swap the standby CP471-01 S2 module without turning off power or stopping process execution in the active module.

Field Installation Guidelines

When installing or servicing the Yokogawa CP471-01 S2 processor module, complete the following physical assembly steps:

Verify that the rack backplane power supply matches the 24 VDC rating and that the software revision is at least R6.05.
Align the board edges of the CP471-01 S2 module with the card guide tracks in the designated FCU slot.
Slide the module straight into the slot until the rear multi-pin backplane connector seats into the rack receptacle.
Tighten the top and bottom captive retaining screws to 0.5 N m using a screwdriver to establish frame grounding.
Connect the Vnet/IP network interface cables to the front panel communication ports and verify that the status LEDs show normal operating state.

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