Siemens SIMATIC ET 200S - What is PROFINET IO?

1STEP 5V/204kHz
2.5 Fundamentals of Positioning
ET 200S Positioning
30 Operating Instructions, 05/2007, A5E00124871-04
The values in the table are based on reduction factor 1. If you use the reduction factor 0.1,
you can reduce the range of the values without changing the parameters.
Table 2-2 Ranges for the Start-Stop Frequency, Output Frequency, and Acceleration
Base
frequency
F
b
in Hz
Range
Start-Stop frequency
F
ss
in Hz
Range
Output Frequency
F
a
in Hz
Range
Max. Acceleration
a in Hz/ms
Minimum pulse
duration in µs
Formula:
F
ss
= F
b
*n*R
Formula:
F
a
= F
b
*G*R
Formula:
a= F
b
* R / (i*0.128)
4 4...1020 4...1020 0.12...31.2 255
8 8...2040 8...2040 0.25...62.5 127
20 20...5100 20...5100 0.61...156 63
40 40...10200 40...10200 1.22...312 31
80 80...20400 80...20400 2.45...625 15
200 200...51000 200...51000 6.12...1560 7
400 400...102000 400...102000 12.25...3125 3
800 800...204000 800...204000 24.5...6250 2
F
b
= Base frequency
F
ss
= Start-Stop frequency
F
a
= Output frequency
a = Acceleration/delay
R = Reduction factor
n = Multiplier for setting the start-stop frequency in steps
G = Multiplier for setting the output frequency in steps
i = Multiplier for setting the acceleration/delay in steps