Siemens SIMATIC ET 200S Operating Instructions Manual page 275

Parameters of the Pulse Train Mode
Parameters
Mode
Time base
Function DI
On-delay
Minimum/pulse duration
Period duration
Technological Functions
Operating Instructions, 02/2007, A5E00124867-05
Meaning
Set the pulse train mode.
Using the time base, select the
resolution and range of the
period duration, pulse duration,
and on-delay.
You can use the DI digital input
as an input or as a HW enable.
The time from the start of the
output sequence to the output
of the pulse train.
Pulse duration:
Enter the response time of the
actuator connected on your DO
digital output.
The period duration should
always be a multiple of the
response time of the actuator
connected to the DO digital
output.
Define the period duration
according to the required
repetition rate of the pulses.
You can change the period
duration with your control
program.
Value Range
Pulse output
•
Pulse-width modulation
•
Pulse train
•
On/off-delay
•
0.1 ms
•
1 ms
•
Input
•
HW enable
•
With time base 0.1 ms:
0 to 65535
With time base 1 ms:
0 to 65535
With time base 0.1 ms:
2 to 65535
With time base 1 ms:
1 to 65535
If you violate the lower limit of
the range, the 2PULSE sets the
pulse duration to 0.2 ms or
1 ms.
With time base 0.1 ms:
2 to 65535
With time base 1 ms:
1 to 65535
2PULSE
5.3 Modes and Functions
Default
Pulse output
0.1 ms
Input
0
10000 → 1 s
20000 → 2 s
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