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Sub module
Output
address
Access
Description
Counter
816
DWORD
reserved
820
DWORD
reserved
824
DWORD
reserved
828
DWORD
reserved
5.8.4.2
Pulse width modulation
Default values and structure of this dialog box depend on the selected
‘Operating mode’
.
The following parameters are relevant for PWM, which must be specified or determined:
1
Period
2
On-delay
3
Pulse duration
4
Pulse pause
Parameter overview
Operating parameters
Description
Assignment
Output format
Here specify the range of values for the output. The CPU
hereby determines the pulse duration:
n
Per mil
–
Output value is within 0 ... 1000
–
Pulse duration = (Output value / 1000) x Period
n
S7 Analog value:
–
Output value is Siemens S7 analog value 0 ...
27648
–
Pulse duration = (Output value / 27648) x Period
Per mil
Time base
Here you can set the time base, which will apply for resolu-
tion and range of values of the period duration, minimum
pulse duration and on-delay.
n
1ms: Die Time base is 1ms
n
0.1ms: Time base is 0.1ms
0.1ms
On-delay
Enter here a value for the time to expire from the start of
the output sequence to the output of the pulse. The pulse
sequence is output at the output channel, on expiration of
the on-delay.
Range of values: 0 ... 65535 from this there are the fol-
lowing effective values:
n
Time base 1ms: 0 ... 65535ms
n
Time base 0.1ms: 0 ... 6553.5ms
0
Parameter hardware con-
figuration
VIPA System SLIO
Deployment I/O periphery
Pulse width modulation - PWM > Parametrization
HB300 | CPU | 013-CCF0R00 | en | 19-30
155