HEIDENHAIN iTNC 530 Service Manual page 431

HDR hard disk,
SIK
The main computer consists of three components:
MC 42x (B/C) main computer
HDR hard disk
SIK system identification key
Controller units
CC controller unit
CC 422 with 6 (figure), 10 or 12 control loops
It is equipped with:
6 PWM outputs
6 speed encoder inputs
July 2010
HDR
CC 424 (B) with 6 (figure),
8, 10, 12 or 14 control loops
It is equipped with:
6 PWM outputs
6 speed encoder inputs
6 position encoder inputs
SIK
26 – 431