Siemens SINUMERIK 840D Description Of Functions page 305

11.03
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These different bit-coded SI signals are parameterized on the operator
interface.
The settings do not modify the measurement but only how the results of the
measurement are actually displayed in the graphic.
No bit graphics are generated for SI signals that are not bit-coded.
The setting possibilities are accessed using the vertical "bit selection..."
Bit selection
softkey:
© Siemens AG 2003 All Rights Reserved
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
SI signals where the system allocates the names of the bits (signals: SGE-
NCK, SGA-NCK, SGE-PLC and SGA-PLC)
SI signals where the user can freely select their names and default names
are entered into an Ini file (hmi_adv\ibsvtsi.ini). If the user wishes to
change the default assignment, he can do this in the file hmi_adv\ibsvtsi.ini
or using the appropriate forms in the operator interface.
5 Commissioning
5.5 Diagnostics
5-305