3 REPLACEMENT OF I/O MODULE
3 - 39
(24)Specifications comparison between A1SX71 (24VDC, positive common) and QX41
: Compatible, : Partially changed, : Incompatible
*1 Check the specifications of the sensor or switches to be connected to the QX41.
*2 The following shows the derating chart.
Specifications A1SX71 QX41
Compat-
ibility
Precautions for replacement
Number of input points 32 points 32 points
Isolation method Photocoupler Photocoupler
Rated input voltage 5/12/24VDC 24VDC
Rated input current
5VDC Approx. 1.2mA
12VDC Approx. 3.3mA
24VDC Approx. 7mA
Approx. 4mA
The rated input current is
reduced.
*1
Operating voltage range
4.5 to 26.4VDC
(ripple ratio within 5%)
20.4 to 28.8VDC
(ripple ratio within 5%)
Maximum number of
simultaneous input points
Refer to the derating chart.
*2
Refer to the derating chart.
*2
On voltage/on current 3.5VDC or more/1mA or more 19VDC or more/3mA or more
The on voltage/on current differ.
*1
Off voltage/off current 1VDC or less/0.1mA or less 9.5VDC or less/1.5mA or less
The off voltage/off current differ.
*1
Input resistance Approx. 3.5k Approx. 5.6k
The input resistance is
increased.
*1
Response
time
Off on 1.5ms or less
1ms/5ms/10ms/20ms/70ms or less
(Configure
the setting in the PLC
parameter dialog box.
)
10ms is set by default.
Set the input response time of
the parameter to 1ms.
On off 3ms or less
1ms/5ms/10ms/20ms/70ms or less
(Configure
the setting in the PLC
parameter dialog box.
)
10ms is set by default.
Common terminal
arrangement
32 points/common
(common terminal: B1, B2)
32 points/common
(common terminal: B01, B02)
Operation indication On indication (LED) On indication (LED)
External connection
system
40-pin connector
(accessory)
40-pin connector
(sold separately)
Existing external wiring can be
used.
Applicable wire size
0.3mm
2
0.3mm
2
(A6CON1, A6CON4)
Current consumption 0.075A (typ. all points on) 0.075A (typ. all points on)
External dimensions 130(H)34.5(W)93.6(D)mm 98(H)27.4(W)90(D)mm
Weight 0.19kg 0.15kg
(A1SX71) (QX41)
24VDC
26.4VDC
On ratio (%)
49 56
100
90
80
70
60
50
40
0102030405055
On
ratio
28.8VD
Ambient temperature
To Next Page
Loading...
