ifm
Device manual AS-i M4 Gateway Profibus DPV1 (AC1375, AC1376)
2012-02-23
Glossary of Terms
517
which is transmitted via the internet is passed
to the right application.
At present network variables based on CAN
and UDP are implemented. The values of the
variables are automatically exchanged on the
basis of broadcast messages. In UDP they are
implemented as broadcast messages, in CAN
as PDOs. These services are not confirmed by
the protocol, i.e. it is not checked whether the
message is received. Exchange of network
variables corresponds to a "1 to n connection"
(1 transmitter to n receivers).
Unit ID
Modbus
Use, intended
Use of a product in accordance with the
information provided in the instructions for use.
W
Watchdog
In general the term watchdog is used for a
component of a system which watches the
function of other components. If a possible
malfunction is detected, this is either signalled
or suitable program branchings are activated.
The signal or branchings serve as a trigger for
other co-operating system components to
solve the problem.
