HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 20)

31-O
SERVICE MANUAL TNC
Issue:
01.09.1995
Page 14
5. Connector Designation and Pin Layout
5.1 Connectors on the Logic Units
5.1 Connector Designation LE 407
Board
PLC and
Graphics Board
X23
Processor Board
Xl =
encoder 1
x2 = encoder 2
x3 = encoder 3
x4 = encoder 4
x5 = encoder 5
X6 encoder 6
X8 = nominal value output 2. 3. 4, 5.
x12 = touch probe system
x21 = data interface RS 232C
x22 = data interface 422
X23 serial handwheel interface
B = signal ground
PLC
and Graphics Board
x41 =
output
X42 PLC input
X43
visual display unit 1
X44 24V supply for PLC
X45 TNC operating panel
X46 machine operating panel
X47
PLC board or
PLC analog board
Power
Supply
X31 = 24V supply for LE