HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 40)

SERVICE MANUAL TNC
Issue:
01.09.1995
Page 33
8.2 Power Supply of the Visual Display Units
Power Supply
BC 110 Power BC 1
Xl: Connection of the logic unit
X2: Connection of the keyboard unit (for soft keys)
X3: line connection
Power consumption W
X4: Connection of DC voltage
BC 110
X4: Voltage output for external units
BC
Designation Assignment
max. load 0.9 A
auxiliary voltage for keyboard driver,
if long cables are used