December 2001 Encoders 3 – 37
3.5.3 Speed Encoder (LE 426 PB/M, LE 430 PA/M)
Maximum input
frequency
Maximum input frequency of speed encoder inputs:
Example:
f = 410 kHz; n = 24 000 rpm
Inputs with EnDat
interface
EnDat interface is available at the following speed encoder inputs:
Input Max. input frequency
X15 to X20 350 kHz
X62 to X64
X60 410 kHz
to NC software 280 470-xx: 350 kHz
Note
Keep in mind the line count of the speed encoder when choosing the
spindle motor:
x = line count of the speed encoder
f = maximum input frequency
n = maximum spindle speed
x
f 60 1000⋅⋅
n
-------------------------------=
x
410 60 1000⋅⋅
24000
---------------------------------------
1024≈ =
LE Input with EnDat interface
LE 426 M / 12 000 rpm with EPROMs X19, X20
LE 426 M / 30 000 rpm with EPROMs X19, X60
LE 430 M/6 axes with EPROMs X19, X20
LE 430 M/9 axes with EPROMs X15 to X20, X62 to X64, X60
LE 426 M / 12 000 rpm with flash EPROMs X15 to X20
LE 426 M / 30 000 rpm with flash EPROMs X15 to X19, X60
LE 430 M/6 axes with flash EPROMs X15 to X20, X60
LE 430 M/9 axes with flash EPROMs X15 to X20, X62 to X64, X60
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