AS-i Operating Mode: General
(Original Document)
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At a Glance
The AS-i function allows four operating modes, each one fulfilling particular needs. These modes are:
Mode of Functioning
The figure below shows the general operating diagram of the AS-i bus.
(1) : It is possible to toggle between the protected mode and the offline or data exchange off AS-i modes.
(2) : The module leaves the configuration mode and goes into protected mode if it receives a configuration.
Correspondence between PLC operating modes and the AS-i bus
The table below shows the correspondence between Premium or Atrium PLC operating modes and those of the AS-i V2 bus.
PLC
AS-i Bus
configured mode (1)
Protected mode
non configured mode (1)
Wiring test mode (Configuration mode)
Legend:
(1)
These PLC notions (configured, non-configured) concern the declaration of the module and slave devices in the Control Expert project hardware configuration screen.