Contents

Contents
- Safety Precaution
- Associated Manuals
- Certification of UL, cUL standards
- Compliance with EC directive (CE Marking)
  - Requirement for Compliance with EMC directive
- 1. Outline
  - 1.1 Outline
  - 1.2 Major Features of the FX3U-2HC
  - 1.3 Incorporated Items
  - 1.4 External Dimensions, Part Names, and Terminal Layout
- 2. Installation, Connect to the PLC
  - 2.1 Mounting
    - 2.1.1 DIN Rail Mounting
    - 2.1.2 Direct Mounting (mounting screw: M4 screw)
  - 2.2 Connection to the PLC
- 3. Wiring
  - 3.1 Connection to input/output connector
  - 3.2 Wiring
    - 3.2.1 NPN output encoders
    - 3.2.2 PNP output encoders
    - 3.2.3 Differential-Line-Driver output encoders
    - 3.2.4 YH1, YH2 output wiring [Sink wiring]
    - 3.2.5 YH1, YH2 output wiring [Source wiring]
  - 3.3 Grounding
- 4. Specifications
  - 4.1 General Specifications
  - 4.2 Power Supply Specifications
  - 4.3 Performance Specifications
  - 4.4 Applicable PLC
- 5. Buffer Memories (BFM)
  - 5.1 Buffer memory List
  - 5.2 Details of buffer memories
    - 5.2.1 Counter mode [BFM #0 (CH1), #40 (CH2)]
    - 5.2.2 DOWN/UP command [BFM #1 (CH1), #41 (CH2)]
    - 5.2.3 Ring length [BFM #3, #2 (CH1), #43, #42 (CH2)]
    - 5.2.4 Command [BFM #4 (CH1), #44 (CH2)]
    - 5.2.5 Preset data [BFM #11, #10 (CH1), #51, #50 (CH2)]
    - 5.2.6 YH1 compare value [BFM #13, #12 (CH1), #53, #52 (CH2)], YH2 compare value [BFM #15, #14 (CH1), #55, #54 (CH2)]
    - 5.2.7 Counter current value [BFM #21, #20 (CH1), #61, #60 (CH2)]
    - 5.2.8 Maximum count value [BFM #23, #22 (CH1), #63, #62 (CH2)], Minimum count value [BFM #25, # 24 (CH1), #65, #64 (CH2)]
    - 5.2.9 Compare results [BFM #26 (CH1), #66 (CH2)]
    - 5.2.10 Terminal status [BFM #27 (CH1), #67 (CH2)]
    - 5.2.11 Error status [BFM #29]
    - 5.2.12 Model identification code [BFM #30]
- 6. Example Program
- 7. Preliminary checks
- 8. Diagnostics
- 9. Reference (CH1 System Block Diagram)
- JY997D36701E FX3U-2HC A3 MANUAL
- JY997D36701E FX3U-2HC A3 MANUAL

Mitsubishi Electric FX3U 2HC User's Manual

Mitsubishi Electric FX3U 2HC manual cover

Pages 6

Year 2019

Language(s)

of 6

Mitsubishi Electric FX3U 2HC Specification

The Mitsubishi Electric FX3U-2HC is a high-performance positioning module designed for use with the FX3U series of PLCs. This module is engineered to handle complex motion control applications requiring precision and flexibility. It supports two independent axes, allowing for simultaneous control of two different motion tasks. Each axis can be configured for various types of control, including position, speed, and torque, enabling versatile application deployments.

The FX3U-2HC module features high-speed pulse train outputs, capable of delivering up to 200 kHz, ensuring accurate and rapid response for high-demand applications. It supports incremental and absolute encoders, providing flexibility in feedback device selection to meet specific application needs. The module's compatibility with both open-loop and closed-loop control systems further enhances its adaptability across different industrial tasks.

Configuration and programming of the FX3U-2HC are streamlined through Mitsubishi Electric's GX Works2 software, which offers an intuitive interface for setting parameters and developing control logic. The module also supports direct connection to the FX3U PLC, ensuring seamless integration and communication within the broader automation system.

Safety and reliability are bolstered by the module's built-in diagnostic capabilities, which provide real-time monitoring and error detection to prevent and quickly address any operational issues. The robust design of the FX3U-2HC ensures durability in industrial environments, making it an ideal solution for manufacturing, packaging, and assembly line applications that require precise motion control. Overall, the FX3U-2HC stands out as a versatile and reliable module for advanced motion control in automation systems.

Mitsubishi Electric FX3U 2HC F.A.Q.

How do I connect the FX3U-2HC to my existing PLC system?

To connect the FX3U-2HC to your existing PLC system, ensure that both the power supply and communication cables are properly connected. Follow the wiring diagram provided in the manual and configure the communication parameters using the PLC programming software.

What is the process for updating the firmware on the FX3U-2HC?

To update the firmware on the FX3U-2HC, first download the latest firmware version from the Mitsubishi Electric website. Connect the module to your computer via USB or Ethernet, and use the appropriate software tool to upload the new firmware. Follow the on-screen instructions to complete the update.

How can I troubleshoot communication errors with the FX3U-2HC?

If you experience communication errors, check all cable connections and ensure that the communication parameters match between devices. Verify that the FX3U-2HC and other devices are using compatible protocols. Use diagnostic tools available in the programming software to identify and resolve errors.

What maintenance steps are necessary for the FX3U-2HC?

Regular maintenance of the FX3U-2HC includes checking for loose connections, ensuring that the module is free from dust and debris, and verifying that firmware is up to date. Additionally, perform periodic tests to confirm that the module is operating correctly.

How do I configure the FX3U-2HC for high-speed counting?

Configure high-speed counting on the FX3U-2HC by setting the relevant parameters in the PLC programming software. Define the count mode, input filters, and other necessary options in the device settings section to tailor the module's performance to your application's requirements.

What should I do if the FX3U-2HC is not responding?

If the FX3U-2HC is unresponsive, first check the power supply and ensure that the module is receiving power. Verify all cable connections and check for any visible damage. If the issue persists, perform a reset by cycling the power and consult the user manual for further troubleshooting steps.

Can the FX3U-2HC be used with third-party sensors?

Yes, the FX3U-2HC can be used with third-party sensors as long as they are compatible with the module's input specifications. Ensure that the sensor's output type and signal levels are within the acceptable range defined in the FX3U-2HC's technical documentation.

How do I set up the FX3U-2HC for pulse output control?

To set up pulse output control, configure the pulse output parameters in the PLC programming software, including pulse frequency and duty cycle. Connect the output terminals to the device you wish to control, and ensure that the wiring matches the specified configuration.

What are the common causes of overheating in the FX3U-2HC?

Overheating in the FX3U-2HC can be caused by excessive ambient temperature, inadequate ventilation, or overloading the module beyond its rated capacity. Ensure the installation environment is within specified temperature ranges and that there is sufficient airflow around the module.

How do I integrate the FX3U-2HC with a SCADA system?

To integrate the FX3U-2HC with a SCADA system, configure the communication settings to match the SCADA requirements. Use the appropriate communication protocol, such as Modbus, and map the necessary data points from the FX3U-2HC to the SCADA system for monitoring and control.