Roland R4000 Manual page 57

B0059001 / Rev. 2.3
5.2.3 Fieldbus-specific messages
For control units with fieldbus interfaces, the bus messages are displayed after applying supply
power.
Fig. 32: SND40 Bus Offline
Overview of bus messages
Message
--
INIT
Bus offline
Bus online
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
Weld Seam Detection System R4000 SND40
for Tubes, Cans and Drums
Explanation
Without Fieldbus-interface
Phase during the start-up of the control unit; the interface
is prepared for operation.
The Fieldbus-interface is in a fault condition or out of
order or no Fieldbus is connected.
The Fieldbus-interface is in operation.
Manual
Boundary condition
In the system configuration the
parameter "Fieldbus" is set to OFF
Parameter "Fieldbus" is ON and
Slave address is valid.
Parameter "Fieldbus" is ON and slave
address is valid and Fieldbus is
connected.
Parameter "Fieldbus is ON and
slave address is valid.
Communication with the PLC
Description
1: Bus message
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