Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Mitsubishi Electric MELSEC iQ-R-R00CPU

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MELSEC iQ-R CPU Module

User's Manual (Application)

-R00CPU

-R01CPU

-R02CPU

-R04CPU

-R04ENCPU

-R08CPU

-R08ENCPU

-R08PCPU

-R08PSFCPU

-R08SFCPU

-R16CPU

-R16ENCPU

-R16PCPU

-R16PSFCPU

-R16SFCPU

-R32CPU

-R32ENCPU

-R32PCPU

-R32PSFCPU

-R32SFCPU

-R120CPU

-R120ENCPU

-R120PCPU

-R120PSFCPU

-R120SFCPU

-R6RFM

-R6PSFM

-R6SFM

Table of Contents

Questions and Answers:

C
cassiemillerAug 1, 2025
What to do if READY LED of CPU module turns off in Mitsubishi Electric MELSEC iQ-R-R00CPU Controller?
- K
  Katie CombsAug 1, 2025
  If the READY LED of the CPU module turns off, here are a few things you can try: 1. Remove the CPU module from the main base unit, and then mount it back on the main base unit. 2. Replace the CPU module if a major error has occurred. 3. Replace the power supply module if there was an error in it before replacement. 4. If an error occurred in a module other than the power supply module, repeatedly supply power to the system, returning the modules back to the system one by one. The last module mounted immediately before the READY LED turned off has failed, so replace that module. 5. Wait for at least five seconds after powering off, and then power the system on again.
J
Janet DunnAug 5, 2025
What to do if READY LED of the safety function module turns off in Mitsubishi Electric MELSEC iQ-R-R00CPU?
- T
  Tristan VazquezAug 5, 2025
  If the READY LED of the safety function module turns off, make sure the module is properly mounted on the base unit. If it is, try waiting at least five seconds after powering off before turning the system back on.
W
William JacksonAug 9, 2025
What to do if READY LED of the SIL2 function module turns off in Mitsubishi Electric Controller?
- T
  Timothy RodgersAug 9, 2025
  If the READY LED of the SIL2 function module turns off, ensure the module is properly mounted on the base unit. If the issue persists, wait for at least five seconds after powering off the system before powering it on again.
K
Kyle CastilloAug 13, 2025
Why can't I write data to the Mitsubishi Electric MELSEC iQ-R-R00CPU?
- J
  James MorganAug 13, 2025
  If you are unable to write data to the programmable controller, there are several possible solutions: * Authenticate a password using the engineering tool. * Clear the write-protect for the SD memory card. * Format the SD memory card. * Check the CPU built-in memory or SD memory card for their free space. * Write user information to the programmable controller from the engineering tool. * Log on to the programmable controller from the engineering tool.
A
april05Aug 17, 2025
Why can't I read data from the Mitsubishi Electric Controller?
- A
  Amber SmithAug 17, 2025
  If you are experiencing issues reading data from the programmable controller, consider the following: * Authenticate a password using the engineering tool. * Check the read target memory (CPU built-in memory, SD memory card, or intelligent function module). * Write user information to the programmable controller from the engineering tool. * Log on to the programmable controller from the engineering tool. * When writing data to the programmable controller, write program restoration information.
H
Holly WilliamsonAug 22, 2025
What to do if the operating status of the CPU module cannot be changed in Mitsubishi Electric Controller?
- J
  juanmillerAug 22, 2025
  If you are unable to change the operating status of the CPU module, use an engineering tool to check the error cause and eliminate it. You can also try executing the online change again.
B
Benjamin KerrAug 27, 2025
What to do if the ODBC server of the CPU module cannot be connected in Mitsubishi Electric Controller?
- C
  Cindy HowardAug 27, 2025
  If you cannot connect to the ODBC server of the CPU module, make sure that the login name and password set in the module parameter of the engineering tool match those entered to connect to the server. Also, verify that the correct data source is selected to connect to the CPU module's database. If the maximum number of concurrently connectable databases is in use, end any unused applications connected to the CPU module's database and try connecting again.

Mitsubishi Electric MELSEC iQ-R-R00CPU Specifications

General

Brand	Mitsubishi Electric
Model	MELSEC iQ-R-R00CPU
Category	Controller
Language	English

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