185
7 Configuration
Timeout monitoring, timeout
This function monitors the communication between the Modbus master and Modbus slave from the per-
spective of the Modbus slave. After enabling timeout monitoring, a timer starts when the first request is
received (the timer time is the time set as the "Timeout"). The timer starts to run again after each new
request. If the request does not appear, an internal digital signal is activated after the timer has elapsed
and an entry is made in the alarm and event list. The signal is reset with the next request.
7.23.2 Modbus master
The device acts as a Modbus master.
Device dialog box
Parameter
Master 1, Master 2
Timeout
monitoring
No Monitoring is not active.
Yes Monitoring is active.
IP address 0.0.0.0 IP address of the Modbus master for tim-
eout monitoring
The address must be set.
Timeout 250 to 2000 to 99999 ms Time period for timeout monitoring
After this time, a failure of the Modbus
master is identified.
Alarm/Event text Use default text or enter other text. Text that is displayed in the event of an
alarm and entered in the alarm and event
list.
Parameter Selection/settings Description
Parameter Selection/settings Description
Timeout 60 ... 2000 ... 10000 ms A request sent by the master is defined
as faulty if no answer is received within
this time.
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