Description

Yokogawa NFCP100-S05 Field Control Processor Module

Configured for regulatory control, sequence control, and data computation tasks in CENTUM DCS platforms, the Yokogawa NFCP100-S05 (NFCP100 Field Control Processor Module) provides direct physical/electrical execution.

Hardware Specifications

Parameter	Specification
Model	NFCP100-S05
Brand	Yokogawa
Origin	Japan
Control Loop Capacity	Up to 200 regulatory control loops
Processor Architecture	High-speed RISC processor
Memory Capacity	ECC RAM
Redundancy	Dual-redundant configuration (hot-standby)
Control Network Interface	V net or Vnet/IP
I/O Bus Connection	ESB or ER bus master modules
Power Consumption	15 VA to 20 VA
Mounting Type	Slot-mounted within dedicated FCU nest/chassis
Weight	Approx. 0.8 kg to 1.1 kg
Dimensions	Standard Yokogawa proprietary card form factor for FCU slots
Operating Temp	0 degC to +50 degC
Storage Temp	-20 degC to +70 degC
Ambient Humidity	10% to 90% RH (non-condensing)

Process Control and DCS Instrumentation Features

The NFCP100-S05 incorporates channel-to-channel isolation parameters across its interface circuitry to prevent ground loops from degrading signal integrity. When communicating with process instrumentation over field networks, the processor manages digital data synchronization across 4-20 mA HART loop protocol configurations and FOUNDATION Fieldbus/Profibus PA connectivity matrices via connected interface modules. The internal processing architecture executes hardware-driven cold junction compensation (CJC) equations for high-density thermocouple input processing, maintaining deterministic scan periods down to the millisecond level across all distributed field control unit nodes.

Frequently Asked Questions

Q: What is the maximum switchover latency during a dual-redundant processor failure event?

A: The hardware-driven hot-standby switchover mechanism transfers control to the redundant backup partner module in less than a few milliseconds, ensuring zero interruption to the running control loops.

Q: Does the NFCP100-S05 require forced-air cooling within the Field Control Unit chassis?

A: No. The module is engineered with low heat dissipation components, allowing natural convection cooling and eliminating the requirement for an internal cooling fan.

Q: Can an online module replacement be executed during active process operations?

A: Yes. The hardware architecture supports online maintenance and hot-swapping, allowing a faulty processor module to be extracted and replaced while its redundant partner maintains active control of the process network.

Field Installation Guidelines

• Chassis Alignment: Insert the module vertically into the dedicated Field Control Unit (FCU) slot guide rails. Ensure the rear card-edge connectors align precisely with the backplane receptacle before applying insertion force.
• Grounding Requirements: Secure the module faceplate retaining screws to the chassis frame to establish a low-impedance electrical ground pathway. The field control nest must be tied to a single-point instrument ground system.
• Wiring Separation: Route the V net/Vnet/IP communication cables and ESB bus connections in separate wire ways isolated from high-voltage AC power distribution lines to minimize electromagnetic interference.

Specifications

• Brand: Yokogawa

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems