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