YOKOGAWA F3CR04-ON: FA-M3 CPU Module

Technical Dossier

Product Details And Specifications

YOKOGAWA FA-M3 Series Technical Notes

The YOKOGAWA FA-M3 programmable controller platform is one of the most widely deployed mid-to-large scale PLC architectures in global heavy industry. Installed across petrochemical complexes, nuclear auxiliary systems, LNG terminals, and continuous-process refineries, the FA-M3 series is recognized for its deterministic scan-cycle performance, high-density I/O backplane architecture, and long-term vendor support lifecycle. The F3CR04-ON is a CPU module within this platform, designed for applications requiring reliable ladder/function block execution with integrated communication capability.

The Evolution of FA-M3 Architecture

The FA-M3 platform was introduced by YOKOGAWA in the mid-1990s as a successor to its earlier FA-500 and FA-700 controller families. The architecture is built around a proprietary high-speed backplane bus (F3BU-series base units) that supports hot-swap module replacement in select configurations. Early CPU generations (F3CP02, F3CP04) offered basic ladder logic execution with RS-232C communication. Subsequent generations introduced Ethernet-native CPUs (F3CP66-4S, F3CP67-4S), expanded memory maps, and IEC 61131-3 structured text support. The F3CR-series CPUs, including the F3CR04-ON, represent a mid-generation architecture with integrated coprocessor functions and enhanced instruction throughput. Compatibility across generations is maintained at the backplane level, allowing F3CR-series modules to operate within existing F3BU base units without chassis replacement — a critical factor for brownfield plant upgrades. As of 2024, YOKOGAWA has transitioned active development to the STARDOM and Unified Controller nx series, placing the FA-M3 platform in a sustained-support (maintenance) lifecycle phase.

FA-M3 Full Catalog & Functionalities (SKU List)

CPU Modules

• F3CR04-ON: Mid-range CPU module with coprocessor, ladder/FB execution, onboard I/O link
• F3CP02-0S: Entry-level CPU, RS-232C port, basic ladder execution, 16K step program memory
• F3CP04-0S: Standard CPU, dual RS-232C, 32K step memory, extended instruction set
• F3CP22-0S: Enhanced CPU with 64K step memory, high-speed interrupt processing
• F3CP31-0S: High-performance CPU, 128K step, multi-task execution support
• F3CP66-4S: Ethernet-native CPU, 100BASE-TX, 256K step, IEC 61131-3 compliant
• F3CP67-4S: Top-tier CPU, dual Ethernet ports, 512K step, redundancy-ready

Digital Input (DI) Modules

• F3XD32-3H: 32-point 24VDC digital input, high-speed response, sink/source compatible
• F3XD64-3H: 64-point 24VDC digital input, high-density, terminal block connection
• F3XD16-1N: 16-point 100/110VAC digital input module

Digital Output (DO) Modules

• F3YD32-3H: 32-point 24VDC transistor output, source type, 0.5A per point
• F3YD64-3H: 64-point 24VDC transistor output, high-density configuration
• F3YR16-0N: 16-point relay output, 2A per point, Form A contacts

Analog I/O Modules

• F3AD04-0N: 4-channel analog input, 4–20mA / 0–10V, 12-bit resolution
• F3AD08-0N: 8-channel analog input, 4–20mA / 1–5V, 12-bit resolution
• F3DA04-0N: 4-channel analog output, 4–20mA / 0–10V, 12-bit resolution

Communication & Network Modules

• F3LE01-5T: 10BASE-T Ethernet communication module, Modbus TCP support
• F3LE11-0T: 100BASE-TX Ethernet module, FTP/SNTP/Modbus TCP
• F3LP02-0N: PROFIBUS-DP slave communication module
• F3LR02-0N: DeviceNet slave communication adapter

Power Supply Modules

• F3PU20-0S: 100–240VAC input power supply, 20W output for base unit
• F3PU10-0S: 24VDC input power supply module, 10W, DIN rail mount