Mitsubishi Electric Q01CPU User Manual

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QCPU User's Manual

(Hardware Design, Maintenance and Inspection)

-Q00(J)CPU -Q26UD(E)HCPU

-Q01CPU -Q26UDVCPU

-Q02(H)CPU -Q50UDEHCPU

-Q06HCPU -Q100UDEHCPU

-Q12HCPU

-Q25HCPU

-Q02PHCPU

-Q06PHCPU

-Q12PHCPU

-Q25PHCPU

-Q12PRHCPU

-Q25PRHCPU

-Q00U(J)CPU

-Q01UCPU

-Q02UCPU

-Q03UD(E)CPU

-Q03UDVCPU

-Q04UD(E)HCPU

-Q04UDVCPU

-Q06UD(E)HCPU

-Q06UDVCPU

-Q10UD(E)HCPU

-Q13UD(E)HCPU

-Q13UDVCPU

-Q20UD(E)HCPU

Table of Contents

Questions and Answers:

N
Nathaniel Medina Jr.Aug 7, 2025
What to do if the POWER LED does not turn on for Mitsubishi Electric Q01CPU Controller?
- E
  egonzalezAug 7, 2025
  If the MODE LED of the CPU module is on, it indicates that the power supply module has failed and needs replacement. Ensure the power supply voltage is within the specified range. If the internal current consumption exceeds the rated output current, reexamine the system configuration. If the POWER LED turns on after removing all modules except the power supply module, repeatedly supply power, adding modules back one by one to identify the failed module.
G
Gabriel LewisAug 11, 2025
Why is the Ethernet communication not possible through direct connection with my Mitsubishi Electric Q01CPU?
- L
  Lisa BrownAug 11, 2025
  Ensure the CPU module is directly connected to the programming tool with a single cable. Verify that the settings on the connected device (personal computer) are correct. Also, check that 'Ethernet Port Direct Connection' is selected for the PLC side I/F PLC Module in the Transfer Setup setting of the programming tool.
L
linda28Aug 17, 2025
What should I do if communication is slow or unstable on my Mitsubishi Electric Q01CPU?
- K
  Kelly CooperAug 17, 2025
  First, ensure that there are no duplicate IP addresses and correct any that are found. Next, verify that the number of UDP connections does not exceed the limit set in the open setting for MELSOFT connection and the MC protocol. Finally, if the issue persists, take noise reduction measures, as the communication of other devices besides the CPU module might be unstable.
K
Krista BeckAug 22, 2025
What to do if the output load does not turn on in Mitsubishi Electric Controller?
- L
  Leslie Higgins MDAug 22, 2025
  Check the power supply load wiring and recover the power supply if voltage for the power supply load is not added. If the inrush current has exceeded the specified value when the maximum number of outputs turns on simultaneously, change the output relay number and keep the load maximum simultaneous on current within the specified value.
J
Jose BrewerAug 27, 2025
Why MODE LED does not turn on in Mitsubishi Electric Q01CPU?
- D
  David GilesAug 27, 2025
  The MODE LED might not turn on because the forced ON/OFF is set; cancel the forced ON/OFF. Another reason could be an improper connection direction of the extension cable (OUT-OUT); connect the extension cable properly. Finally, ensure AC power is supplied to the power supply module.
R
Rachel DaySep 1, 2025
What to do if clock data cannot be set by SNTP for Mitsubishi Electric Q01CPU?
- M
  Maria BerrySep 1, 2025
  Check the following on the time setting function: SNTP is set to be used; Input of the SNTP server IP address is correct.

Mitsubishi Electric Q01CPU Specifications

General

Series	Q Series
Number of I/O Points	4096 points
Communication Ports	RS-232
Operating Temperature	0 to 55°C
Clock Function	Yes
Operating Humidity	5 to 95% RH (non-condensing)
Type	Programmable Logic Controller
Number of Inputs	Depends on I/O modules used
Number of Outputs	Depends on I/O modules used
Memory	SRAM
Data Memory Capacity	64K bytes
Power Supply	5V DC
Programming Language	Ladder Logic

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