Mitsubishi Electric MELSEC Q Series Handbook page 137

3
REPLACEMENT OF I/O MODULE
(20)Specifications comparison between A1SY81EP and QY81P
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
time
On  off
Surge suppressor
Common terminal
arrangement
Operation indication
Protection function
Voltage
External
power
supply
Current
External connection
system
Applicable wire size
Current consumption
External dimensions
Weight
A1SY81EP
32 points
Photocoupler
12/24VDC
10.2 to 26.4VDC
0.1A/point, 2A/common
(25°C),
0.05A/point, 1.6A/common
(55°C)
No limit
(overload protection function)
0.1mA or less
3.5VDC (0.1A Max.),
2.5VDC (0.1A Min.)
0.5ms or less
1.5ms or less (resistance load)
Clamp diode
32 points/common
(common terminal: 17, 18, 36)
On indication (LED)
Available
(overheat protection function,
overload protection function)
• The overheat protection function is
activated in increments of 8 points.
• If the function is activated even for
1 point within the range of 8 points,
outputs of all 8 points are turned
off.
12/24VDC
(10.2 to 26.4VDC)
80mA
(typ. 24VDC for each common)
37-pin D-sub connector
(accessory)
2
0.3mm
0.50A (typ. all points on)
130(H)34.5(W)93.6(D)mm
0.25kg
: Compatible,
QY81P
32 points
Photocoupler
12-24VDC
10.2 to 28.8VDC
0.1A/point, 2A/common
0.7A 10ms or less
0.1mA or less
0.1VDC (typ.) 0.1A
0.2VDC (MAX.) 0.1A
1ms or less
1ms or less
(rated load, resistance load)
Zener diode
32 points/common
(common terminal: 17, 18, 36)
On indication (LED)
Available
(overheat protection function,
overload protection function)
• The overheat protection function is
activated in increments of 2 points.
• The overload protection function is
activated in increments of 1 point.
12-24VDC
(10.2 to 28.8VDC)
(ripple ratio within 5%)
40mA (24VDC)
37-pin D-sub connector
(sold separately)
2
0.3mm
(A6CON1E)
0.095A (typ. all points on)
98(H)27.4(W)90(D)mm
0.15kg
: Partially changed, : Incompatible
Compat-
Precautions for replacement
ibility





Check the specification of the
device to be connected.


The response speed is slower.







Existing external wiring can be

used.
Note that the connecting direction

of the connector is inverted.

3
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