Board Exchange - HEIDENHAIN TNC151B Service Instructions Manual

1 neluelunnllu
m
DR. JOHANNES HEIDENHAJN GmbH
D-8225 Traunreut .Tel. (08669) 31-O
Kundendienst
SERVICE MANUAL TNC
151/155
Page 40
Section 3.2
3.2
Board Exchange
Board Arrangement
The TNC 151/155
consists of three main sections:
1) The frontplate/Keypad Board assembly;
2) The housing/Connector Board assembly,
with five plug-in boards, namely:
.Main Processor Board
.CLP-Processor/Graphics Board
.Analog
Board
.either SE Board TNC 151/155 B/F
or PLC Interface Board TNC 151/155 Q/W
3) The backplate, Power Supply Unit and Terminal Board
assembly.
Board arrangement TNC 151/155 B/P
TNC
l51/155 Q/W
PLC I/O Board
TNC 151/155 Q
(224 389/223 691)
Connector Board
(233 273)
Terminal Board
(228 X4/228
1
Power Supply Board
(230 802)
PLC Interface Board
TNC 151/155 Q
(226 761)
(227 278)
(232 228/234 509
CLP Processor Board TNC 151
(233 556)
CLP-Graphics Board TNC
(233 554)
Main Processor Board
(235 647)
(224 825)