Mitsubishi Electric MELSEC Q Series Handbook page 133

3
REPLACEMENT OF I/O MODULE
(16)Specifications comparison between A1SY68A and QY68A
Specifications
Number of output points
Isolation method
Rated load voltage
Operating load voltage
range
Maximum load current
Maximum inrush current
Leakage current at off
Maximum voltage drop at
on
Off  on
Response
On  off
time
Surge suppressor
Common terminal
arrangement
Operation indication
Fuse
External connection
system
Applicable wire size
Applicable solderless
terminal
Current consumption
External dimensions
Weight
A1SY68A
8 points
(16 points occupied)
Photocoupler
5/12/24/48VDC
4.5 to 52.8VDC
2A/point
8A 10ms or less
0.1mA or less
0.4VDC (MAX.) 2A
3ms or less
10ms or less (resistance load)
Zener diode
All points independent common
On indication (LED)
None
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
0.11A (typ. all points on)
130(H)34.5(W)93.6(D)mm
0.20kg
: Compatible,
QY68A
8 points
(16 points occupied)
Photocoupler
5-24VDC
4.5 to 28.8VDC
2A/point, 8A/module
8A 10ms or less
0.1mA or less
0.3VDC (MAX.) 2A
3ms or less
10ms or less (resistance load)
Zener diode
All points independent common
On indication (LED)
None
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.)
0.11A (typ. all points on)
98(H)27.4(W)90(D)mm
0.14kg
: Partially changed, : Incompatible
Compat-
Precautions for replacement
ibility


48VDC is not applicable.
Voltage exceeding 28.8VDC is
not applicable.
The load current must be 8A or
less within a module.








-


Wiring change is required.


Wiring space is narrower.
3
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