Functions; Function: High-Speed Output - Siemens Simatic S7-1500 Manual

Technology functions
3.2 Pulse generators
3.2.2

Functions

3.2.2.1

Function: High-speed output

The function "High-speed output (0.1 A)" enhances the signal clock of the digital outputs
(DQ0 to DQ7). Less delay, fluctuation, jitter, and shorter rise and fall times, occur at the
switching edges.
The function "High-speed output (0.1 A)" is suited for generating pulse signals in a more
precise clock, but provides a lower maximum load current.
For the PWM and frequency output modes, select the high-speed output of the channel in
STEP 7 (TIA Portal). You can also change the parameter assignment during runtime with the
help of the program via the data record.
High-speed pulse output (high-speed output) is available for the following operating modes:
● PWM
● Frequency output
● PTO (the pulse outputs for the PTO mode are always "High-speed output (0.1 A)")
High-speed output
Pulse duration
Period duration
Frequency
A lower value is theoretically possible but, depending on the connected load, the output voltage can no longer be output
1)
as complete rectangular pulse
Load dependent
2)
60
Minimum
High-speed output High-speed output
deactivated
20 µs with load
> 0.1 A
1)
40 µs with load
≥ 2 mA
1)
100 μs
2)
0.1 Hz
High-speed output
activated deactivated
2 µs
1)
10 μs
10 kHz
Maximum
High-speed output
activated
10,000,000 μs (10 s)
100 kHz
2)
CPU 1512C-1 PN (6ES7512-1CK00-0AB0)
Manual, 09/2016, A5E35306440-AB