Mitsubishi Electric MELSEC-A0J2H Series Handbook page 19

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INTRODUCTION
(1) Comparison of the installation areas
The following shows a comparison of the installation areas when replacing the A0J2HCPU with the
QCPU.
Select the optimal base unit after taking into consideration the installation space, the number of modules
loaded, etc.
(a) Comparison of the A0J2-E56 and the 3-slot main base unit Q33B
(b) Comparison of the A0J2-E56 and the 5-slot main base unit Q35B
A A
0J 0J
A H
0J2 CPU
POWE
RUN
MELSEC
A H
0J2
250
QJ71LP21-25
Q00UCPU
Q62P POWER
T.PASS
RUN
ERR
98
PULL
PULL
RS-232
189
190
A A
0J 0J
A H
0J2 CPU
POWE
RUN
MELSEC
A H
0J2
250
Q00UCPU QJ71LP21-25
Q62P POWER
T.PASS
RUN
ERR
98
PULL
PULL
RS-232
190
245
STOP
L.CLR
RUN
RESET
RESET
QX40 QY40
RUN MNG
D.LINK
SD RD
ERR. L ERR.
STOP
L.CLR RUN
RESET
RESET
QX40 QY40 QX40 QY40
RUN MNG
D.LINK
SD RD
ERR. L ERR.
:A0J2H (E56 ) external dimensions
:QCPU external dimensions
(Unit: mm)
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