82 HEIDENHAIN Technical Manual MANUALplus 620
Overview of the purely digital control architecture with HSCI and EnDat 2.2:
The TNC 620 is designed for connection of a compact inverter or modular
inverter system. A complete control package, including drives and
HEIDENHAIN motors, can be delivered (see the "Inverter Systems and
Motors" Technical Manual).
HSCI PWM
EnDat 2.2
EnDat 2.2
EnDat 2.2
PL
PL
HSCI
HSCI
HSCI
Main
Computer
MC
Controller
Unit
CC
Inverter
Rotary Encoder
Linear Encoder
Rotary Encoder
Drive