28 – 558 HEIDENHAIN Service Manual iTNC 530
Version with ribbon
cable connector
HEIDENHAIN interface boards for the SIMODRIVE system in the version with ribbon cable
have a metallic isolation of the HEIDENHAIN PWM signals to the Siemens interface.
Thus, the terminal X131 must be available at the SIEMENS drive system!
The individual interface boards must also be connected to the central signal ground of the
machine via the grounding screw on the front panel.
Figure: Various HEIDENHAIN interface boards with ribbon cable connectors
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