AS-i operation
AS-i operating mode: General
At a Glance
Operating mode
The AS-i function allows three operating modes, each of which responds to l l particular needs. These modes are: protected mode, wiring test mode (which can be accessed using the adjustment terminal FTX 117
Adjust), l offline mode.
The diagram below shows the general function diagram of how the AS-i Bus operates.
Offline mode
Wiring test
Start of
AS-i master module
No Is the master configured?
Yes
Protected mode
Automatic control
of AS-i Bus
160
TLX DS 37 PL7 xxE
AS-i operation
Relationship between the PLC and AS-i Bus operating modes
The table below shows the relationship between the PLC TSX 37 operating modes and those of the AS-i bus.
PLC
Configured mode (1)
AS-i Bus
Protected mode
Non configured mode (1) Wiring test mode (Configuration mode)
Key:
(1) These PLC concepts (configured, non configured) relate to the declaration of the module and the slave devices in the hardware configuration screen in the PL7 application.
TLX DS 37 PL7 xxE
161
