Mitsubishi Electric MELSEC Q Series Handbook page 57

3
REPLACEMENT OF I/O MODULE
AnS/QnAS series model
Product
A1SX41-S2
Input module
A1SX42
(24VDC)
A1SX42
(12VDC)
Model Model
1) External wiring: not changed
2) Number of slots: not changed
3) Program
4) Specifications
QX41
5) Function: not changed
1) External wiring: not changed
2) Number of slots: not changed
3) Program
4) Specifications
QX41-S2
5) Function: not changed
1) External wiring: not changed
2) Number of slots: not changed
3) Program
4) Specifications
QX42
5) Function: not changed
1) External wiring: not changed
2) Number of slots: changed (2 modules are required.)
3) Program
4) Specifications
QX41-S2
5) Function: not changed
1) External wiring: not changed
2) Number of slots: not changed
3) Program
4) Specifications
QX72
5) Function: not changed
Q series alternative model
Remarks (restrictions)
Number of occupied I/O points: not changed
Rated input voltage: not changed
Rated input current: changed (Approx.7mA Approx.4mA)
On voltage/on current: changed
Off voltage/off current: changed
Input resistance: changed
Number of occupied I/O points: not changed
Rated input voltage: not changed
Rated input current: changed (Approx.7mA Approx.6mA)
On voltage/on current: changed
Off voltage/off current: changed
Input resistance: changed
Number of occupied I/O points: not changed
Rated input voltage: not changed
Rated input current: changed (Approx.5mA Approx.4mA)
On voltage/on current: changed
Off voltage/off current: changed
Input resistance: changed
Number of occupied I/O points: not changed
(64 points = 32 points  2 modules)
Rated input voltage: not changed
Rated input current: changed (Approx.5mA Approx.6mA)
On voltage/on current: changed
Off voltage/off current: changed
Input resistance: changed
Number of occupied I/O points: not changed
Rated input voltage: not changed
Rated input current: changed (Approx.2mA Approx.3.3mA)
On voltage/on current: changed
Off voltage/off current: changed
Input resistance: changed
3
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