Mitsubishi Electric MELSEC-A0J2H Series Handbook page 31

2
REPLACING THE CPU MODULE
Product name
A0J2HCPUP21
A0J2HCPUR21
A0J2HCPUP21-S3
*2 Select "Q63P (24VDC input)" as a power supply module after the replacement.
*3 Use the SFC program and consider using the Q03UDVCPU/Q03UD(E)CPU if any of the following applies.
• Number of SFC blocks: 128 blocks or more
• Number of SFC steps: 128 steps or more/block
For details on the replacement method when using the SFC program, refer to Section 7.6.
Remarks
• When the A0J2CPU is used, read the A0J2HCPU in the above table as the A0J2CPU.
Refer to the following because the performance specifications differ.
A0J2HCPU(P21/R21) User's Manual: IB-66268
• GX Developer does not support the A0J2CPU. Changing the existing CPU module type into the
one which is supporting GX Developer is required using the A/QnA-Q conversion support tool
when the program is used. For details, refer to Section 7.1.4.
• The modules other than CPU modules (such as I/O modules and special function modules) are
common to specifications between the A0J2CPU and A0J2HCPU. For details, refer to CHAPTER
3.
Alternative model
CPU model name Network model name
Q00UJCPU
QJ71LP21-25
Q00UCPU
Q00UJCPU
QJ71BR11
Q00UCPU
Q00UJCPU
QJ71LP21G
Q00UCPU
Precautions
Built-in link function
 mount network module on the base unit
(1 slot,32 points)
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