Details of the objects managing the mode of operation for the AS-i V2 function
(Original Document)
At a Glance
The tables below present the language objects allowing management of the operating mode of the AS-i V2 function and the parameters of the slaves present on the AS-i V2 bus. These objects are not built into the IODDT’s.
Operating mode object
This word type object is used to manage the switch to Offline mode or Data Exchange Off mode of the AS-i master.
NOTE: Use of this object requires a thorough knowledge of AS-i V2 communication principles.
Description
The table below presents the different states of the %MWr.m.c.74 word, giving access.
Address
Type
Access
Meaning
%MWr.m.c.74.0
BOOL
R/W
Switching to Offline mode
%MWr.m.c.74.1
BOOL
R/W
Exit from offline mode
%MWr.m.c.74.2
BOOL
R/W
Data exchange inactive.
%MWr.m.c.74.3
BOOL
R/W
Data exchange active.
NOTE: Offline mode has priority over Data Exchange Off.
Parameter objects
These objects are used to manage the parameters of slave devices. They can be modified without stopping the AS-i V2 function.
Description
The table below provides the meaning of the different words %MWr.m.c.75 to %MWr.m.c.138.
Address
Type
Access
Meaning
%MWr.m.c.75 to
%MWr.m.c.106
INT
R/W
Contain the parameter values of slaves 0 to 31 respectively of bank A.
%MWr.m.c.107 to
%MWr.m.c.138
INT
R/W
Contain the parameter values of slaves 0 to 31 respectively of bank B.