X20 system modules • Counter modules • X20DC4395
X20 system User's Manual 3.10
857
4.11.17.10 Switching inductive loads
240 Ω
100 mA
≙
0.1 H
100 H
10 H
1 H
0.01 H
0.1
1
10
100
1000
10000
1000
Coil resistance
[ ]
Ω
Coil inductance
Max. switching cycles / second
(with 90% duty cycle)
4.11.17.11 Calculating the period duration
The outputs of the module can be operated as PWM outputs. The period duration is calculated using the following
formula:
Period duration =
n
48000
s
A value of 2 to 65535 can be defined for n.
Example
n
Period duration
Frequency
2
416 μs
24 kHz
24000
500 ms
2 Hz
48000
1 s
1 Hz
65535
1.36 s
0.73 Hz
Table 257: Calculating the period duration
Summary of Contents for X20 System
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