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10.2 Notes for selection of replacement for Triac output module AY22
10.2 Notes for selection of replacement for Triac output module AY22
Although QY22 can be selected as a replacement module for AY22, the modules partially differ in
specifications, and the maximum load current of QY22 is lower. Therefore, it is necessary to confirm
whether the existing connected devices meet the maximum load current specification.
(1)‥ Comparison‥of‥specifications‥between‥AY22‥and‥QY22‥(excerpt‥from‥transition‥handbook)
Specification
Number of
output points
Insulation
method
Rated load
voltage
Max. load
voltage
Max. load
current
3.3 A/common terminal
(2) Selection examples
(1) When the load capacity of externally connected device is 0.6 A or less
Select the Triac output module QY22 as a replacement module, and utilize the wiring of the
existing module terminal block by using the conversion adapter ERNT-AQTY22.
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AY22
16 points
Photocoupler
100-240 V AC
100-240 V AC
50/60 Hz ±5%
50/60 Hz ±5%
264 V AC
2 A/point,
4.8 A/common terminal
Power
supply
ACPU
module
A35B
Power
QCPU
supply
module
Q35B
○: Compatible, △: Partially changed, ×: Incompatible
QY22
Compatibility
○
16 points
○
Photocoupler
○
○
264 V AC
0.6 A/point,
△
AY22
AY22
Replacement example
QY22
QY22
ERNT-
ERNT-
AQT
AQT
Y22
Y22
184
Notes for replacement
Since the maximum load
current per point has been
reduced, carefully select the
usage load.
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