Mitsubishi Electric MELSEC-Q Series - Page 125

3 REPLACEMENT OF I/O MODULE
3 - 72
(8) Specifications comparison between A1SY40P and QY40P
: Compatible, : Partially changed, : Incompatible
Specifications A1SY40P QY40P
Compat-
ibility
Precautions for replacement
Number of output points 16 points 16 points 
Isolation method Photocoupler Photocoupler 
Rated load voltage 12/24VDC 12/24VDC 
Operating load voltage
range
10.2-30VDC
(peak voltage 30VDC)
10.2-28.8VDC
Voltage exceeding 28.8VDC is
not applicable.
Maximum load current 0.1A/point, 0.8A/common 0.1A/point,1.6A/common 
Maximum inrush current 0.7A 10ms or less 0.7A 10ms or less 
Leakage current at off 0.1mA or less 0.1mA or less 
Maximum voltage drop
at on
0.1VDC (typ.) 0.1A
0.2VDC (MAX.) 0.1A
0.1VDC (typ.) 0.1A
0.2VDC (MAX.) 0.1A

Response
time
Off  on 1ms or less 1ms or less 
On  off
1ms or less
(rated load, resistance load)
1ms or less
(rated load, resistance load)

Surge suppressor Zener diode Zener diode 
Fuse None None -
Common terminal
arrangement
8 points/common
(common terminal: TB10, TB20)
16 points/common
(common terminal: TB18)
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) 
Protection function
Available
(overheat protection function,
overload protection function)
• The overheat protection function is
activated in increments of 1 point.
• The overload protection function is
activated in increments of 1 point.
Available
(overheat protection function,
overload protection function)
• The overheat protection function is
activated in increments of 1 point.
• The overload protection function is
activated in increments of 1 point.

External
power
supply
Voltage
12/24VDC
(10.2 to 30VDC)
12-24VDC
(10.2 to 28.8VDC
ripple ratio within 5%)
Voltage exceeding 28.8VDC is
not applicable.
Current
11mA
(typ. 24VDC for each common)
MAX.10mA (24VDC)
(all points on)

External connection
system
20-point terminal block connector
(M3.57 screws)
18-point terminal block
(M36 screws)

Wiring change is required.
Applicable wire size
0.75 to 1.5mm
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 0.079A (typ. all points on) 0.065A (typ. all points on) 
External dimensions 130(H)34.5(W)93.6(D)mm 98(H)27.4(W)90(D)mm Wiring space is narrower.
Weight 0.13kg 0.16kg The weight is increased.