6 – 110 HEIDENHAIN Technical Manual TNC 426, TNC 430
TNC 426 PB,
TNC 430 PA
The position, speed, and current controllers are located in the TNC. The power
supply unit is located in the servo amplifier. The power supply is driven by the
TNC through PWM signals.
(PWM = pulse-width modulated)
The TNC 426 PB controls machines with up to 5 axes and with spindle speeds
up to 12 000 rpm.
Option: 30 000 rpm for motors with two pole pairs.
The TNC 430 PA controls machines with up to 6 digitally controlled NC axes,
2 analog controlled axes and one digitally controlled spindle with a speed of up
to 30 000 rpm for motors with two pole pairs.
TNC 426 M,
TNC 430 M
The position controller, speed controller, current controller and the power
module are located in the TNC.
The TNC 426 M controls machines with up to 5 axes and with spindle speeds
up to 12 000 rpm.
Option: 30 000 rpm for motors with two pole pairs.
The TNC 430 M controls machines with up to 9 axes and with spindle speeds
up to 30 000 rpm.
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