HEIDENHAIN TNC 426 PB/M Technical Manual page 34

Machine Integration
Feedback control
Integral drive control
Analog speed command interface TNC 426 CB
Position loop resolution
Cycle time for path interpolation
Cycle time for speed
Nominal feed rate
Speed
Error compensation
2 – 24
TNC 426
TNC 426 PB, TNC 426 M
Signal period
---------------------------------------- -
1024
TNC 426 CB/PB, TNC 430 CA/PA: 3 ms
TNC 426 M, TNC 430 M: can be set between 3 ms and
6 ms
TNC 426 PB/M, TNC 430 PA/M: 0.6 ms
TNC 426 PB/M, TNC 430 PA/M:
24000 ⋅
--------------------------------------------------- - srew pitch min
No. of pole pairs
TNC 426 PB/M, TNC 430 PA/M:
n
Up to 60 m/min for encoders with 20 µm grating period
n
Up to 300 m/min for encoders with 100 µm grating
period
TNC 426 PB (Standard),
TNC 426 M/12 000 rpm:
24000 ⋅
--------------------------------------------------- - min
No. of pole pairs
TNC 426 PB (option),
TNC 426 M/30 000 rpm:
60000 ⋅
--------------------------------------------------- - min
No. of pole pairs
Volts-per-hertz control
mode
TNC 426 M/12 000 rpm:
24000
⋅
--------------------------------------------------- - min
No. of pole pairs
TNC 426 M/30 000 rpm:
60000
⋅
--------------------------------------------------- - min
No. of pole pairs
TNC 426 CB:
100000 rpm
n
Linear and nonlinear axis error
n
Backlash
n
Reversal spikes during circular movements
n
Offset
n
Thermal expansion
n
Stiction
n
Sliding friction
HEIDENHAIN Technical Manual TNC 426, TNC 430
TNC 430
TNC 430 PA, TNC 430 M
TNC 430 CA
⋅
– 1
– 1
TNC 430 PA,
TNC 430 M:
60000
– 1
--------------------------------------------------- - min
No. of pole pairs
Volts-per-hertz control
mode
TNC 430 M:
60000
1
–
--------------------------------------------------- - min
No. of pole pairs
1
–
TNC 430 CA:
100000 rpm
⋅
– 1
⋅
1
–