HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 48)

SERVICE MANUAL TNC 415B/425 Page 45 Issue: 20.08.95
7.
Block Diagrams
Shared memory
CPU
geometry
processor
68020
32 bits/16MHz
CPU
CLP processor
68020
32 bits/16MHz
Boot-EPROM EPROM
SRAM
SRAM
TIMER
TIMER
Software module
ARBITER
TIMER
SRAM
EPROM
PLC Graphics Board CLP Board
DUART
Hand-
wheel
interface
RS-232-
interface RS-422-
interface
Interface Encoder
inputs
5 * analogue
1 *square
X
Y
Z
IV
VI
V
3D touch probe Measuring touch probe
X
Y
Z
IV
VI
V
6*nom.
value output
16 bits
Handwheel RS-232 RS-422
PLC-
Interface
A/D converter
8-bit
feed rate, temp.,
battery
monitoring
Keyboard
interface
Video-
controller
Video RAM
(192K*16)
Color
pallet
SRAM
EPROM
3 * analogue
Processor Board
TNC 415 Block Diagram
3D touch
probe
Interface
meas. touch
probe
Machine operating panel
63 inputs
31 outputs
PL/PA
Keyboard
Color/analogue
screen
CPU
communication
processor
68020
32 bits/16MHz