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MELSEC-Q 
3   OUTPUT MODULE SPECIFICATIONS 
3.12 QY70 Transistor Output Module (Sink Type) 
Type 
Specifications 
Transistor output module (Sink type) 
QY70 Appearance 
Number of output points  16 points 
 
Isolation method  Photocoupler 
Rated load voltage  5/12VDC (+25/-10%) 
Maximum load current  16mA/point, 256mA/common 
Maximum inrush current  40mA, 10ms or less 
Output voltage at OFF  VOH: 3.5VDC (VCC=5VDC, IOH=0.4mA) 
Maximum voltage drop at ON  VOL: 0.3VDC 
Response time 
OFF to ON  0.5ms or less 
ON to OFF  0.5ms or less (resistive load) 
Surge suppressor  None 
Fuse  1.6A (unchangeable) (fuse capacity: 50A) 
Fuse blown indicator 
Provided (When a fuse blows, LED turns on and a signal is output to the 
CPU module.)  1 
External supply 
power 
Voltage  5 to 12VDC (+25/-10%) (ripple ratio within 5%) 
Current  MAX. 90mA (when 12VDC and all points are ON) 
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  16 points/common (common terminal: TB18) 
Number of occupied I/O points  16 points (I/O assignment is set as a 16-point output module.) 
Operation indicator  ON indication (LED) 
External connections  18-point terminal block (M3 6 screws) 
Applicable wire size  0.3 to 0.75mm
2
 core (2.8mm OD max.) 
Applicable crimping terminal  R1.25-3 (Sleeved crimping terminals cannot be used.) 
Internal current consumption 
(5VDC) 
95mA (TYP. all points ON) 
(0.10A is shown on the rating plate of the module.) 
Weight 0.14kg 
 
External connection  Terminal block No.  Signal name  
 
TB1 Y00 
TB2 Y01 
TB3 Y02 
TB4 Y03 
TB5 Y04 
TB6 Y05 
TB7 Y06 
TB8 Y07 
TB9 Y08 
TB10 Y09 
TB11 Y0A 
TB12 Y0B 
TB13 Y0C 
TB14 Y0D 
TB15 Y0E 
TB16 Y0F 
TB17 5/12VDC 
TB18 COM 
 
1: Fuse blown is not detected when the external power supply is shut off. 
 
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COM
QY70
5VDC
12VDC
16mA
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L
L
L
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L
L
FUSE
01234567
8 9ABCDEF
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