Mitsubishi Electric MELSEC-A0J2H Series Handbook page 52

3
I/O MODULES REPLACEMENT
A0J2H models to be discontinued
Product name
I/O module
*1 These modules can be replaced with the renewal tool for A0J2. For details, refer to Appendix 2.
*2 Use the QX70 when using 12VDC.
3
- 11
Model name Model name
QX80
A0J2E-E56DS +
QY22
Alternative Q series models
Remarks (restrictions)
1) Change in external wiring: Required
2) Change in the number of modules: Required
(4 modules necessary: QX80 × 2 modules, QY22 × 2
modules)
3) Change in a program
Change in the number of occupied I/O points: Not required (64
points  16 points × 4)
4) Change in specifications
• Input module
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
• Output module
Change in rated output voltage: Not required
Change in rated output current: Required (minimum load
current: 10mA  25mA)
5) Change in functions
• Input module
Response time: The QX80 does not support the high-speed
mode.
• Output module
Fuse: The QY22 does not have the fuse.