TECHNICAL BULLETIN
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[Issue No.] FA-A-0147-A
[Title] Precautions for replacing QnUD(E)(H)CPU with QnUDVCPU
[Date of Issue] February 2013 (Ver. A: December 2015)
[Relevant Models] Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, Q26UDVCPU
Thank you for your continued support of Mitsubishi programmable controllers, MELSEC-Q series.
This bulletin provides precautions for replacing the QnUD(E)(H)CPU with QnUDVCPU.
Note that the reference manuals or the references described in this bulletin are information as of December
2015.
GENERIC TERMS
Generic term
Description
High-speed Universal model QCPU
A generic term for the Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, and
Q26UDVCPU
QnUD(H)CPU
A generic term for the Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q10UDHCPU,
Q13UDHCPU, Q20UDHCPU, and Q26UDHCPU
QnUDE(H)CPU
A generic term for the Q03UDECPU, Q04UDEHCPU, Q06UDEHCPU, Q10UDEHCPU,
Q13UDEHCPU, Q20UDEHCPU, Q26UDEHCPU, Q50UDEHCPU, and Q100UDEHCPU
QnUD(E)(H)CPU
A generic term for the Q03UDCPU, Q03UDECPU, Q04UDHCPU, Q04UDEHCPU,
Q06UDHCPU, Q06UDEHCPU, Q10UDHCPU, Q10UDEHCPU, Q13UDHCPU,
Q13UDEHCPU, Q20UDHCPU, Q20UDEHCPU, Q26UDHCPU, Q26UDEHCPU,
Q50UDEHCPU, and Q100UDEHCPU
QnUDVCPU
A generic term for the Q03UDVCPU, Q04UDVCPU, Q06UDVCPU, Q13UDVCPU, and
Q26UDVCPU
