Failure Behaviour On Bus Communication Loss - AUMA AUMATIC AC 01.1 Manual

Actuator controls
AUMATIC AC 01.1/ACExC 01.1 Profibus DP

6.5.6 Failure behaviour on bus communication loss

NOTICE
44
.
A failure operation can be initiated in case of bus communication loss.
Preliminary conditions:
.
The failure behaviour is activated (
parameter is switched on).
The reason for initiation (
to BUSINTERFACE .
.
.
Sources for initiation (failure sources) for failure operation are:
The connection to the master is interrupted.
The master goes into clear status and sends:
–
either the Global Control Telegram with Clear contents.
–
or data telegrams of length 0 (DP FailSafe Mode).
A failure operation on bus communication loss can only be initiated if the
watchdog function in the master is activated.
If the reason for initiation of the failure function has been eliminated (con-
nection reestablished, master in operate status), the master can resume the
execution of operation commands.
FAILURE BEHAVIOUR M1510
FAILURE SOURCE M1514
Manual
parameter) is set