HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 24)

SERVICE MANUAL TNC 415B/425
Page 21
Issue: 20.08.95
LE 425
Power CLP PLC Processor
Supply Board Graphics Board
Board
CLP Board
X1
= encoder 1 (
∼
)
X2 = encoder 2 (
∼
)
X3 = encoder 3 (
∼
)
X4 = encoder 4 (
∼
)
X5 = encoder 5 (
∼
)
X6 = encoder S ( )
X8 = nominal value output 1, 2, 3, 4, 5, S
X12 = touch trigger probe
X14 = measuring touch probe
X15 = encoder / speed
X16 = encoder / speed
X17 = encoder / speed
X18 = encoder / speed
X19 = encoder / speed
X20 = reserved
B
= signal ground
PLC Graphics Board
X41 = PLC output
X42 = PLC input
X43 = visual display unit (BC)
X44 = 24 V power supply for PLC
X45 = TNC operating panel (TE)
X46 = machine operating panel
X47 = PLC I/O interface
Processor Board
X21 = V.24/RS-232-C data interface
X22 = V.11/RS-422 data interface
X23 = electronic handwheel
X31 = 24V- power supply for NC