HEIDENHAIN ITNC 530 - Visual Display Unit; Introduction; Possible Causes of Errors

July 2010 21 – 355
21 Visual Display Unit
21.1 Introduction
One of the two flat-panel displays are connected to the iTNC 530:
The BF …
 is supplied with 24 V dc voltage from the electrical cabinet power supply unit
 receives display signals from the control
The screen interface ...
 connector X49 on the MC for the BF 120
 connector X149 on the MC for the BF 150
... is HEIDENHAIN-specific.
A conventional flat-panel screen cannot be connected.
21.2 Possible Causes of Errors
 Defective monitor
 Faulty 24 Vdc power supply
 Defective monitor cable
 No display signals from the control
 Defective device or cable that is connected to the control and impairs it
 Defective screen soft keys
 Defective fan
 Defective cover glass
Flat-Panel
Display
Soft Keys Screen Diagonal Pixels
BF 150 horizontal and vertical 15.1 inch 1024 x 768
BF 120 only horizontal 10.4 inch 640 x 480