3 REPLACEMENT OF I/O MODULE
3 - 29
(14)Specifications comparison between A1SX41 (12VDC) and QX71
: Compatible, : Partially changed, : Incompatible
*1 Check the specifications of the sensor or switches to be connected to the QX71.
*2 The following shows the derating chart.
Specifications A1SX41 QX71
Compat-
ibility
Precautions for replacement
Number of input points 32 points 32 points
Isolation method Photocoupler Photocoupler
Rated input voltage 12/24VDC 5/12VDC
Rated input current Approx. 3mA/Approx. 7mA
5VDC Approx.1.2mA
12VDC Approx.3.3mA
Operating voltage range
10.2 to 26.4VDC
(ripple ratio within 5%)
4.5 to 6VDC
(ripple ratio within 5%)
10.2 to 14.4VDC
(ripple ratio within 5%)
Maximum number of
simultaneous input points
Refer to the derating chart.
*2
Simultaneously on (100%)
On voltage/on current 8VDC or more/2mA or more 3.5VDC or more/1mA or more
The on voltage/on current differ.
*1
Off voltage/off current 4VDC or less/1mA or less 1VDC or less/0.1mA or less
The off voltage/off current differ.
*1
Input resistance Approx. 3.3k Approx. 3.3k
Response
time
Off on
10ms or less
(24VDC)
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
parameter to the default value
(10ms).
On off
10ms or less
(24VDC)
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 0.08A (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 0.21kg 0.12kg
(A1SX41)
26.4VDC
On ratio (%)
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