Peripheral Devices
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8.12.1.3
Set up shared variables
A number of signals are predefined in the PLC, but signals can be added, delete, or get a changed
functionality. Signals under the group
Shared_Variables
in the Global variables sheet in the PLC can be
shared between I/O and fieldbus. Signals under the group
Fieldbus_Variables
represent the fieldbus
mapping.
When converting a setup older than version 7.5.0, the PLC will not have the same signals defined. Access
to the PLC part of the fieldbus data area from the PowerMACS PLC is configured in two steps. First you
must configure how the respective area should be used by defining variables. Secondly must configure
Содержание PowerMACS 4000
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Страница 127: ...Set Up and Maintenance 9836 3521 01 127 See chapter Station Set Up for a description of the parameters...
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Страница 422: ...Peripheral Devices 422 9836 3521 01 When connected to a system the form will show show the signal values in realtime...
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