Mitsubishi Electric MELSEC Q Series Handbook page 79

3
REPLACEMENT OF I/O MODULE
(11)Specifications comparison between A1SX40-S2 and QX40
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.
A1SX40-S2
16 points
Photocoupler
24VDC
Approx. 7mA
19.2 to 26.4VDC
(ripple ratio within 5%)
Simultaneously on (100%)
(26.4VDC)
14VDC or more/3.5mA or more
6.5VDC or less/1.7mA or less
Approx. 3.3k
10ms or less
(24VDC)
10ms 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
16 points
Photocoupler
24VDC
Approx. 4mA
20.4 to 28.8VDC
(ripple ratio within 5%)
Simultaneously on (100%)
19VDC or more/3mA or more
11VDC or less/1.7mA or less
Approx. 5.6k
1ms/5ms/10ms/20ms/70ms or less
(Configure the setting in the PLC
parameter dialog box.)
10ms is set by default.
1ms/5ms/10ms/20ms/70ms or less
(Configure the setting in the PLC
parameter dialog box.)
10ms 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.)
0.05A (typ. all points on)
98(H)27.4(W)90(D)mm
0.16kg
: Partially changed, : Incompatible
Compat-
Precautions for replacement
ibility



The rated input current is
*1
reduced.
The operating voltage range
differs.

The on voltage/on current differ.
*1
The off voltage differs.
The input resistance is
*1
increased.

Set the input response time of
parameter to the default value
(10ms).





Wiring change is required.


Wiring space is narrower.

3
*1
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