User`s manual

Input/output module specifications Specifications
MELSEC System Q, Hardware 12 – 11
12.3.4 Digital input module QX40

The response times OFF –> ON and ON –> OFF can’t be set to different values.
Item QX40
Number of input points 16
Isolation method Photocoupler
Rated input voltage 24 V DC (+20/–15 %, ripple ratio within 5 %)
Rated input current approx. 4 mA
Max. simultaneously ON All inputs can be switched on simultaneously.
Inrush current —
ON voltage/ON current
≥ 19 V DC / ≥ 3 mA
OFF voltage/OFF current
≤ 11 V DC / ≤ 1.7 mA
Input impedance approx. 5.6 k
Ω
Response time
OFF
→ ON 1, 5, 10, 20, 70 ms
(Response time setting by parameters, initial setting: 10 ms)

ON → OFF 1, 5, 10, 20, 70 ms
(Response time setting by parameters, initial setting: 10 ms)

Groups of input 1; 16 points/common
(common terminal: TB17)
Input status display One LED per input
Dielectric withstand voltage 560 V AC rms/3 cycles (altitude 2000 m)
External connections 18-point removable terminal block with screws (M3x6 screws)
Applicable wire size
0.3 to 0.75 mm
2
core (outside diameter: 2.8 mm max.)
Internal current consumption
(5 V DC)
50 mA (all input points ON)
Weight 0.16 kg
External connections
Terminal
block
number
Signal
TB1 X00
TB2 X01
TB3 X02
TB4 X03
TB5 X04
TB6 X05
TB7 X06
TB8 X07
TB9 X08
TB10 X09
TB11 X0A
TB12 X0B
TB13 X0C
TB14 X0D
TB15 X0E
TB16 X0F
TB17 COM
TB18 Vacant
Tab. 12-11: Input module QX40
Internal circuit
LED
TB1
TB16
TB17
24 V DC
Input module