User`s manual
Specifications Input/output module specifications
12 – 10
12.3.3 Digital input module QX28
Item QX28
Number of input points 8
Isolation method Photocoupler
Rated input voltage 110–240 V AC (+10/–15 %), 50/60 Hz (
±
3 Hz), distortion within 5 %
Rated input current approx. 7 mA (at 100 V AC, 50 Hz); approx. 8 mA (at 100 V AC, 60 Hz)
approx. 14 mA (at 200 V AC, 50 Hz); approx. 17 mA (at 200 V AC, 60 Hz
Max. simultaneously ON refer to the derating chart
Inrush current max. 500 A within 1 ms (at 264 V AC)
ON voltage/ON current
≥
80 V AC /
≥
5 mA (50 Hz / 60 Hz)
OFF voltage/OFF current
≤
30 V AC /
≤
1 mA (50 Hz / 60 Hz)
Input impedance approx. 15 k
Ω
at 50 Hz, approx. 12 k
Ω
at 60 Hz
Response time
OFF
→
ON
≤
10 ms (100 V AC, 50 Hz / 60 Hz)
ON
→
OFF
≤
20 ms (100 V AC, 50 Hz / 60 Hz)
Groups of input 1; 8 points/common
(common terminal: TB17)
Input status display One LED per input
Dielectric withstand voltage 1780 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 0.2 kg
External connections
Terminal
block
number
Signal
TB1 X00
TB2 Vacant
TB3 X01
TB4 Vacant
TB5 X02
TB6 Vacant
TB7 X03
TB8 Vacant
TB9 X04
TB10 Vacant
TB11 X05
TB12 Vacant
TB13 X06
TB14 Vacant
TB15 X07
TB16 Vacant
TB17 COM
TB18 Vacant
Tab. 12-10: Input module QX28
QH00034_UK
Fig.12-3:
QX28 Derating chart
Internal
circuit
LED
TB1
TB15
TB17
110 to 240 V AC
Input module
100
90
80
70
60
50
40
0 102030405055
%
87.5 % 55 C (264 V)
°
100 % 55 C (240 V)
°
100 % 45
C
°
[C]
°
ON ratio
Ambient temperature