X20 system modules • Digital output modules • X20DO8331
X20 system User's Manual 3.10
1263
4.15.25.7 Output circuit diagram
24 V monitoring
24 V
GND
External
Power supply
GND
Logic
Low-side
24 V
GND
GND
VDR
Output x
GND
I/O status
LED (orange)
Output
monitoring
Output status
24 V
Internal
24 V
Internal
GND
24 V
Reverse polarity
protection
External Supply
24 V GND
GND
Figure 387: Output circuit diagram
4.15.25.8 Switching inductive loads
Environmental temperature: 35°C, 4 outputs (1,3,5,7 or 2,4,6,8) with the same load.
0.1
1
10
100
10 mH
100 mH
1 H
10 H
100 H
100
10
500
Coil resistance
[Ω]
Coil inductance
Max. switching cycles / second
(with 90% duty cycle)
28.8 V
24.0 V
Switching voltage:
Figure 388: Switching inductive loads
