What does 'Request referrer source is incorrect' mean on Mitsubishi Electric FX5?
- CcindyleeSep 23, 2025
Check whether sending of the referrer is disabled in the browser or firewall settings.

What does 'Request referrer source is incorrect' mean on Mitsubishi Electric FX5?
Check whether sending of the referrer is disabled in the browser or firewall settings.
What to do if master station did not send request to the next slave station within the monitoring timer in Mitsubishi Electric FX5 Controller?
If the master station doesn't send a request to the next slave station within the monitoring timer on your Mitsubishi Electric Controller, and the cause is 'Send monitoring timeout in master station', check the wiring and power.
What to do if the specified slave station does not exist in Mitsubishi Electric FX5 Controller?
If the specified slave station does not exist on your Mitsubishi Electric Controller, and the cause is 'Slave station no response error', check the wiring, power, and station number settings.
Why unexpected slave station responded to the request by the master station in Mitsubishi Electric FX5 Controller?
If an unexpected slave station responds to the master station's request on your Mitsubishi Electric Controller, and the cause is 'Station number error', check the station number settings.
Why an unexpected slave station responded to the request by the master station on Mitsubishi Electric FX5?
If an unexpected slave station responded to the request by the master station on your Mitsubishi Electric Controller, and the cause is 'Station number error in slave station', check station number settings.
Why are characters disrupted on my Mitsubishi Electric FX5 Controller?
If the characters are disrupted on your Mitsubishi Electric Controller, check the character encoding setting in your web browser.
How to enable cookies for Mitsubishi Electric Controller?
If you see a message indicating that cookies are disabled while using your Mitsubishi Electric Controller, enable cookies in your browser's settings.
What to do if Mitsubishi Electric FX5 Controller shows HTTP 404 error?
If you see 'HTTP404 Web page not found' on your Mitsubishi Electric Controller, verify that the URL (directory path) you entered is correct.
What to do if parameter read from the file is incorrect in Mitsubishi Electric FX5?
If the parameter read from the file is incorrect on your Mitsubishi Electric Controller, and the cause is a 'Parameter error', use parameter setting by GX Works3.
How to resolve insufficient device points for slave stations error in Mitsubishi Electric Controller?
If the link device point number corresponding to the number of slave stations cannot be secured on your Mitsubishi Electric Controller, and the cause is 'Insufficient device points for slave stations error', check the number of slave stations, station number settings, and link device head number.
| Brand | Mitsubishi Electric |
|---|---|
| Model | FX5 |
| Category | Controller |
| Language | English |
Precautions for designing safe PLC systems, covering circuits and failure conditions.
Guidelines for securely connecting hardware components like expansion boards and memory cards.
Recommendations for routing cables to prevent interference and ensure proper operation.
Details scan configuration, initial processing, I/O refresh, and program execution sequences.
Explains the structure of CPU built-in memory and SD memory card for programs and data.
A list of all available functions of the CPU module, with references to their respective pages.
Covers PID control instructions, parameters, auto-tuning, and operation expressions.
Explains the latch function for maintaining device/label states during power interruptions or resets.
Details high-speed counter modes, pulse width measurement, and PWM output functions.
Lists and defines various device types like inputs, outputs, relays, timers, and counters.
Defines labels as identifiers for I/O data or internal processing, simplifying program creation.
Lists special relays and their functions, operations, and R/W attributes for various modules.
Details CPU module error codes, their causes, actions, and diagnostic timing.
Provides a structured overview of parameters for CPU, module, and other settings.











