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MELSEC-Q 
3   OUTPUT MODULE SPECIFICATIONS 
3.16 QY81P Transistor Output Module (Source Type) 
Type 
Specifications 
Transistor output module (Source type) 
QY81P Appearance 
Number of output points  32 points 
 
Isolation method  Photocoupler 
Rated load voltage  12-24VDC (+20/-15%) 
Maximum load current  0.1A/1point, Pilot Duty, 2A/common 
Maximum inrush current  0.7A, 10ms or less 
Leakage current at OFF  0.1mA or less 
Maximum voltage drop at ON  0.1VDC (TYP.) 0.1A, 0.2VDC (MAX.) 0.1A 
Response time 
OFF to ON  1ms or less 
ON to OFF  1ms or less (rated load, resistive load) 
Surge suppressor  Zener diode 
Fuse No 
External supply 
power 
Voltage  12-24VDC (+20/-15%) (ripple ratio within 5%) 
Current  40mA (at 24VDC) 
Dielectric withstand voltage  560VAC rms/3 cycles (altitude 2000m) 
Insulation resistance  10MΩ or more by insulation resistance tester 
Noise immunity 
By noise simulator of 500Vp-p noise voltage, 1 s noise width  
and 25 to 60Hz noise frequency 
First transient noise IEC61000-4-4: 1kV 
Protection degree  IP2X 
Common terminal arrangement  32 points/common (common terminal: 17, 18, 36) 
Number of occupied I/O points  32 points (I/O assignment is set as a 32-point output module.) 
Protection function 
Yes (overheat protection function, overload protection function) 
• Overheat protection function is activated in increments of 2 points. 
• Overload protection function is activated in increments of 1 point. 
Operation indicator  ON indication (LED) 
External connections  37-pin D-sub connector 
Applicable wire size 
0.088 to 0.3mm
2
 (For A6CON1E) 1 
Applicable connector  A6CON1E, A6CON2E, A6CON3E (optional) 
Applicable connector/terminal 
block converter module 
A6TBY36-E, A6TBY54-E 
Internal current consumption 
(5VDC) 
95mA (TYP. all points ON) 
(0.10A is shown on the rating plate of the module.) 
Weight 0.15kg 
 
External connection  Pin-Outs 
Pin 
No. 
Signal 
No. 
Pin 
No. 
Signal 
No. 
 
 
Module front view 
1 Y00 9 Y10 
20 Y01 28 Y11 
2 Y02 10 Y12 
21 Y03 29 Y13 
3 Y04 11 Y14 
22 Y05 30 Y15 
4 Y06 12 Y16 
23 Y07 31 Y17 
5 Y08 13 Y18 
24 Y09 32 Y19 
6 Y0A 14 Y1A 
25 Y0B 33 Y1B 
7 Y0C 15 Y1C 
26 Y0D 34 Y1D 
8 Y0E 16 Y1E 
27 Y0F 35 Y1F 
17 COM 37  0V 
36 COM 19  0V 
18 COM     
 
1: When using A6CON2E or A6CON3E, refer to Chapter 7. 
 
QY81P
12/24VDC
0.1A
QY81P
01234567
89ABCDEF
01234567
89ABCDEF
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