Fuji Micrex F PLC Manual

The Fuji Micrex F PLC is an advanced programmable logic controller designed for industrial automation applications. It features high-speed processing, multiple communication protocols, extensive I/O capabilities, robust programming environment, and reliable operation in harsh industrial environments. Below are key sections for safety, features, installation, programming, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Programming Basics 8. Communication Features 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: CPU unit with integrated I/O, Programming port, Communication modules, Expansion slots, Status indicators, Power supply unit.

Feature	Description
CPU processing speed	High-speed processing for real-time control applications
Memory capacity	Expandable program and data memory
Digital I/O points	Configurable input/output points for various applications
Analog I/O modules	For precise analog signal processing
Communication ports	RS-232, RS-485, Ethernet for network connectivity
Programming software	Windows-based programming environment
Expansion capability	Multiple expansion slots for additional modules
Status indicators	LED indicators for power, run, error, and I/O status
Battery backup	For program retention during power loss
Real-time clock	For time-based operations and logging

Installation

Unpack and inspect contents. Mount on DIN rail or panel.

Mounting: Secure to DIN rail or mounting panel using appropriate hardware.
Power connection: Connect power supply to designated terminals.
I/O wiring: Connect field devices to appropriate input/output terminals.
Communication: Connect programming cable and network cables.
Apply power and verify status indicators.

WARNING! Ensure proper grounding and follow electrical safety standards. Disconnect power before wiring.

First-Time Setup

Power on PLC; initialize system parameters.

Connect programming cable: Use RS-232 or USB programming cable.
Launch programming software: Open Micrex F programming environment.
Establish communication: Configure communication parameters and connect to PLC.
Initialize system: Set basic parameters and I/O configuration.
Download initial program: Transfer basic configuration to PLC.
Test operation: Verify inputs and outputs respond correctly.

CAUTION! Ensure proper voltage levels and follow manufacturer's wiring diagrams.

Specifications

CPU Type: 32-bit RISC processor
Program Memory: Up to 64K steps (expandable)
Data Memory: Extensive data registers and file registers
I/O Capacity: Up to 512 points (digital)
Scan Time: 0.1 µs per basic instruction
Communication: RS-232C, RS-485, Ethernet
Programming Languages: Ladder diagram, Instruction list, Structured text
Power Supply: 24V DC or 100-240V AC
Operating Temperature: 0°C to 55°C
Protection Class: IP20

Controls and Settings

Front panel controls: RUN/STOP switch, RESET button, Mode selector.

Status Indicators: POWER (green), RUN (green), ERROR (red), COMM (green), I/O status LEDs.

Programming software functions: Project management, Program editing, Online monitoring, Debugging tools, Configuration settings, Documentation features.

System parameters: Scan time configuration, I/O assignment, Communication settings, Interrupt handling, Watchdog timer.

Connecting Devices

Input devices: Sensors, switches, pushbuttons. Output devices: Relays, contactors, indicators, valves.

Disconnect power before making connections.
Connect input devices to input terminals following wiring diagrams.
Connect output devices to output terminals with proper protection.
Connect communication devices to appropriate ports.
Verify all connections are secure and properly terminated.

Tip: Use shielded cables for analog signals and long communication lines.

Programming Basics

Supports ladder logic, function blocks, and structured text programming.

Create new project: Select PLC type and configuration.
Program development: Use ladder diagram editor for logic programming.
I/O configuration: Assign physical I/O points to program variables.
Program testing: Use simulation mode to verify logic.
Download program: Transfer program to PLC memory.
Monitor operation: Use online monitoring to observe program execution.
Debug functions: Use breakpoints, watch windows, and force functions.
Documentation: Add comments and descriptions for program maintenance.

WARNING! Always test programs in controlled environment before deployment.

Communication Features

Network protocols: Modbus RTU, Modbus TCP, Ethernet/IP, DeviceNet. Serial communication: ASCII, proprietary protocols.

Maintenance & Care

Regular maintenance: Check connections, clean ventilation, verify battery status. Use dry cloth for cleaning; avoid chemicals.

CAUTION! Disconnect power before maintenance. Replace backup battery periodically.

Regulatory Information

CE compliant: Meets European Union safety standards. UL certified: Underwriters Laboratories approved. RoHS compliant: Free of hazardous substances. For technical support, contact Fuji Electric customer service or visit www.fujielectric.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
PLC not powering on	Power supply issue	Check power connections and voltage; verify fuse status.
ERROR LED lit	Hardware fault or program error	Check error code; verify program logic; reset if necessary.
Inputs not responding	Wiring or configuration issue	Verify input wiring; check input configuration in program.
Outputs not operating	Output device or program issue	Check output wiring; verify output conditions in program.
Communication failure	Cable or parameter issue	Verify cable connections; check communication parameters.
Program not running	Mode switch position	Ensure RUN mode selected; check for program errors.

Reset Procedure: Use RESET button or power cycle for minor issues.

Technical Support: Contact Fuji Electric technical support for complex issues.