Mitsubishi Electric MELSEC Q Series Handbook page 78

3
REPLACEMENT OF I/O MODULE
(10)Specifications comparison between A1SX40-S1 and QX40-S1
Specifications
Number of input points
Isolation method
Rated input voltage
Rated input current
Operating voltage range
Maximum number of
simultaneous input points
On voltage/on current
Off voltage/off current
Input resistance
Off  on
Response
time
On  off
Common terminal
arrangement
Operation indication
External connection
system
Applicable wire size
Applicable solderless
terminal
Current consumption
External dimensions
Weight
*1 Check the specifications of the sensor or switches to be connected to the QX40-S1.
3
- 25
A1SX40-S1
16 points
Photocoupler
24VDC
Approx. 7mA
19.2 to 26.4VDC
(ripple ratio within 5%)
Simultaneously on (100%)
(26.4VDC)
14VDC or more/4.0mA or more
6.5VDC or less/1.7mA or less
Approx. 3.3k
0.1ms or less
(24VDC)
0.2ms or less
(24VDC)
16 points/common
(common terminal: TB9, TB18)
On indication (LED)
20-point terminal block connector
(M3.57 screws)
2
0.75 to 1.25mm
R1.25-3.5, R2-3.5,
RAV1.25-3.5, RAV2-3.5
0.05A (typ. all points on)
130(H)×34.5(W)×93.6(D)mm
0.20kg
: Compatible,
QX40-S1
16 points
Photocoupler
24VDC
Approx. 6mA
20.4 to 28.8VDC
(ripple ratio within 5%)
Simultaneously on (100%)
19VDC or more/4.0mA or more
11VDC or less/1.7mA or less
Approx. 3.9k
0.1ms/0.2ms/0.4ms/0.6ms/1ms or
less
(Configure the setting in the PLC
parameter dialog box.)
0.2ms is set by default.
0.1ms/0.2ms/0.4ms/0.6ms/1ms or
less
(Configure the setting in the PLC
parameter dialog box.)
0.2ms is set by default.
16 points/common
(common terminal: TB17)
On indication (LED)
18-point terminal block
(M36 screws)
2
Core: 0.3 to 0.75mm
(outside diameter: 2.8mm or less)
R1.25-3
(Sleeved solderless terminal cannot
be used.)
0.06A (typ. all points on)
98(H)×27.4(W)×90(D)mm
0.20kg
: Partially changed, : Incompatible
Compat-
Precautions for replacement
ibility



The rated input current is
*1
reduced.
The operating voltage range
differs.

*1
The on voltage differs.
*1
The off voltage differs.
The input resistance is
*1
increased.

Set the input response time of
parameter to 0.1ms.





Wiring change is required.

The current consumption is
increased.
Wiring space is narrower.
