8400 HighLine | Parameter setting & configuration
Motor control (MCTRL)
Encoder/feedback system
188 L Firmware ≤ 05.00 - DMS 4.2 EN - 02/2010
Low speeds with edge counting
The minimum speed that can be measured and
the quantisation error of speed
measurement in the edge-counting procedure (C00496
= 3) depend on the scanning time
that can be set in C00425/1
and the encoder resolution.
Set the scanning time in C00425/1
according to accuracy and dynamic requirements:
All values in [1/min]
Encoder
resolution
(Number of
increments)
Scan time [ms]
1 2 5 10 20 50 100 200 500 1000
8 1875 938 375 188 93.8 37.5 18.8 9.4 3.8 1.9
16 938 469 188 94 46.9 18.8 9.4 4.7 1.9 0.9
32 469 234 94 46.9 23.4 9.4 4.7 2.3 0.9 0.5
64 234 117 46.9 23.4 11.7 4.7 2.3 1.2 0.5 0.2
128 117 58.6 23.4 11.7 5.9 2.3 1.2 0.6 0.2 0.12
256 58.6 29.3 11.7 5.9 2.9 1.2 0.6 0.3 0.12 0.06
512 29.3 14.6 5.9 2.9 1.5 0.6 0.3 0.15 0.06 0.03
1024 14.6 7.3 2.9 1.5 0.7 0.3 0.15 0.07 0.03 0.01
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