Mitsubishi Electric MELSEC-A0J2H Series Handbook page 45

3
I/O MODULES REPLACEMENT
A0J2H models to be discontinued
Product name
I/O module
Model name Model name
QX40
*1
+
A0J2-E28DR
QY10
QX40
*1
+
A0J2-E56DR
QY10
QX40
*1
+
A0J2-E28DT
QY50
Alternative Q series models
Remarks (restrictions)
1) Change in external wiring: Required
2) Change in the number of modules: Required
(2 modules necessary: QX40 × 1 module, QY10 × 1 module)
3) Change in a program
Change in the number of occupied I/O points: Required (64
points  16 points × 2)
4) Change in specifications
Change in rated input voltage: Required (12VDC not
*2
applicable)
Change in rated input current: Required (Approx. 7mA 
Approx. 4mA)
Change in ON voltage/ON current: Required
Change in OFF voltage/OFF current: Required
Change in input resistance: Required
Change in rated output voltage: Not required
Change in rated output current: Not required
(Note that a contact life is half.)
5) Change in functions: Not required
1) Change in external wiring: Required
2) Change in the number of modules: Required
(4 modules necessary: QX40 × 2 modules, QY10 × 2 modules)
3) Change in a program
Change in the number of occupied I/O points: Not required
4) Change in specifications
Change in rated input voltage: Required (12VDC not
*2
applicable)
Change in rated input current: Required (Approx. 7mA 
Approx. 4mA)
Change in ON voltage/ON current: Required
Change in OFF voltage/OFF current: Required
Change in input resistance: Required
Change in rated output voltage: Not required
Change in rated output current: Not required
(Note that a contact life is half.)
5) Change in functions: Not required
1) Change in external wiring: Required
2) Change in the number of modules: Required
(2 modules necessary: QX40 × 1 module, QY50 × 1 module)
3) Change in a program
Change in the number of occupied I/O points: Required (64
points  16 points × 2)
4) Change in specifications
Change in rated input voltage: Required (12VDC not
*2
applicable)
Change in rated input current: Required (Approx. 7mA 
Approx. 4mA)
Change in ON voltage/ON current: Required
Change in OFF voltage/OFF current: Required
Change in input resistance: Required
Change in rated output voltage: Not required
Change in rated output current: Not required
5) Change in functions: Not required
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