3 REPLACEMENT OF I/O MODULE
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(6) Specifications comparison between A1SY22 and QY22
*1
: Compatible, : Partially changed, : Incompatible
*1 Due to the characteristics of the triac, some precautions require re-checking before replacement.
For details, refer to Section 3.3 (4) to check if there are any precautions that fall under this category.
*2 Connect a fuse to every external terminal to prevent the external device and module at load short from burnout.
Also, configure an external circuit if fuse blown indication is required.
Specifications A1SY22 QY22
Compat-
ibility
Precautions for replacement
Number of output points 16 points 16 points
Isolation method Photocoupler Photocoupler
Rated load voltage 100/240VAC 50/60Hz ±3Hz 100 to 240VAC 50/60Hz ±5%
Maximum load voltage 264VAC 264VAC
Maximum load current 0.6A/point, 2.4A/common 0.6A/point, 4.8A/common
Minimum load voltage/
current
24VAC 100mA
100VAC 10mA
240VAC 20mA
24VAC 100mA
100VAC 25mA
240VAC 25mA
Carefully select a load for use
since the minimum load current
is increased.
Maximum inrush current
20A 10ms or less
8A 100ms or less
20A 1 cycle or less
Leakage current at off
1.5mA (120VAC 60Hz)
3mA (240VAC 60Hz)
1.5mA or less (120V 60Hz)
3mA or less (240V 60Hz)
Maximum voltage drop at
on
1.5VAC or less (0.1 to 0.6A)
1.8VAC or less (50 to 100mA)
2VAC or less (10 to 50mA)
1.5V or less
Response
time
Off on 1ms or less 1ms + 0.5 cycles or less
On off 1ms + 0.5 cycles or less
1ms + 0.5 cycles or less
(rated load, resistance load)
Surge suppressor
CR absorber
(0.01µF + 47)
CR absorber
Common terminal
arrangement
8 points/common
(common terminal: TB9, TB18)
16 points/common
(common terminal: TB17)
As the common is changed from
2 commons to 1 common, wiring
with a different voltage for each
common is not possible.
Operation indication On indication (LED) On indication (LED)
Fuse rating
(breaking capacity)
5A
(1 fuse/common)
Cannot be changed.
None
(Connecting a fuse to external wiring
is recommended.)
Fuses are not built in.
*2
Fuse blown indication
Available
(LED turns on when a fuse is blown
and a signal is output to the CPU
module.)
External
power
supply
Voltage 100-240VAC (85 to 264VAC) -
An external power supply is not
required.
Current 2mA (typ. 200VAC/common) -
External connection
system
20-point terminal block connector
(M3.57 screws)
18-point terminal block
(M36 screws)
Wiring change is required.
Applicable wire size
0.75 to 1.25mm
2
Core: 0.3 to 0.75mm
2
(outside diameter: 2.8mm or less)
Applicable solderless
terminal
R1.25-3.5, R2-3.5,
RAV1.25-3.5, RAV2-3.5
R1.25-3
(Sleeved solderless terminal cannot
be used.)
Current consumption 0.27A (typ. all points on) 0.25A (MAX. all points on)
External dimensions 130(H)34.5(W)93.6(D)mm 98(H)27.4(W)112.3(D)mm Wiring space is narrower.
Weight 0.24kg 0.40kg The weight is increased.
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