1502 HEIDENHAIN Technical Manual MANUALplus 620
8.1.13 Bus diagnosis
The control features functions for diagnosis of the HSCI or PROFIBUS system.
You can access the functions as follows:
Switch to the Organization mode of operation.
Enter the code number 95148.
Press the DIAGNOSIS soft key
Press the BUS DIAGNOSIS soft key.
Example screen:
In Diagnosis mode, the structure of the HSCI/PROFIBUS system as well as
the details of the HSCI/PROFIBUS components can be displayed.
The HSCI and PROFIBUS tabs above the left window are only shown if both bus
systems are connected to the control. In this case you can switch between
the bus systems by pressing the HSCI and PROFIBUS soft keys.
The detected, actually connected hardware at the HSCI bus (actual
configuration) is displayed. The control also knows from the IOC file the
previously configured hardware configuration to be expected (nominal
configuration). The HSCI bus diagnosis compares the actual configuration to
the nominal configuration and reveals deviations. At HSCI bus positions where
a deviation was found, the actually configured hardware (IOC:) is displayed
behind the detected connected hardware (display, e.g. /IOC: MB 620T). This
provides you with a direct comparison of the actual configuration and the
nominal configuration in order to support you in finding errors. HSCI
components that are missing from the actual configuration (e.g. due to an
interruption in the HSCI bus) are identified by a corresponding symbol.
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