HEIDENHAIN ITNC 530 - Exchange of HEIDENHAIN Components in the SIMODRIVE System

28 – 554 HEIDENHAIN Service Manual iTNC 530
28.9 Exchange of HEIDENHAIN Components in the SIMODRIVE System
Version with
D-sub connector
HEIDENHAIN expansion boards for the SIMODRIVE system in the version with D-Sub
connector are available with or without metallic isolation of HEIDENHAIN PWM signals to
the Siemens interface.
Interface boards without metallic isolation are
recognized as follows:
 On the front panel there are the LEDs NB (not ready) and
IF (pulse release).
 There is no grounding screw on the front panel.
 There is no transformer on the front panel.
 These board have the Id.Nr. 291070-01, 324952-01, -02,
-03 and -10 without index A.
Caution
The terminal X131 of the Siemens E/R module of boards without metallic isolation
may not be connected to the central signal ground of the machine!
Note
The HEIDENHAIN interface boards of the first generation were built without metallic
insulation.