Manual
Weld Seam Detection System R4000 SND40
for Tubes, Cans and Drums
B0059001 / Rev. 2.3
Communication with the PLC
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5.2.3 Fieldbus-specific messages
For control units with fieldbus interfaces, the bus messages are displayed after applying supply
power.
Description
1: Bus message
Fig. 32: SND40 Bus Offline
Overview of bus messages
Message
Explanation
Boundary condition
--
Without Fieldbus-interface
In the system configuration the
parameter
"Fieldbus"
is set to OFF
INIT
Phase during the start-up of the control unit; the interface
is prepared for operation.
Parameter
"Fieldbus"
is ON and
Slave address is valid.
Bus offline
The Fieldbus-interface is in a fault condition or out of
order or no Fieldbus is connected.
Parameter
"Fieldbus"
is ON and slave
address is valid and Fieldbus is
connected.
Bus online
The Fieldbus-interface is in operation.
Parameter
"Fieldbus
is ON and
slave address is valid.