Manual
Double Sheet Control System R1000 series L20
with integrated fieldbus interface
B0063191 / 1.3
Communication with the PLC
ROLAND ELECTRONIC GmbH · Otto-Maurer-Str. 17 · DE 75210 Keltern · Phone +49 (0)7236-9392-0 · Fax +49 (0)7236-9392-33
35
6
Communication with the PLC
The fieldbus interface contained in the R1000 enables the communication with a fieldbus master.
The data structure of the L20 enables the exclusive use of the cyclical communication data
transmission mode.
6.1
Fieldbus specific messages
The fieldbus messages are combined with other information in an info window.
This message can be recalled in the normal mode by pressing the ENTER key.
1 Control unit name
2 Software version, hardware version motherboard
and hardware version analogue board
3
Bus system message (here with Profibus-DP)
4 Bus
status
5
Parameter channel status
6
Bus (slave) address
(only if Fieldbus with node bus address)
7
Fieldbus baud rate (only if Fieldbus with baud rate)
or MAC ID
Fig. 15: Fieldbus specific messages of the R1000
Status messages
•
Init:
Display after start-up of the L20. This message is displayed until the initializing
process is completed.
•
Online: The fieldbus interface is in operation
•
Offline: The fieldbus interface is not in operation or displays a fault
Parameter channel messages
•
Closed: The parameter channel is closed
•
Open: The parameter channel is open
•
Conflict: A collision occurred when opening the parameter channel
•
Collis.: A collision occurred during parameter transmission
Bus (slave) addresses
•
1... : Possible Slave addresses, which can be adjusted via software depending on the
fieldbus type.
Note
The messages are regularly updated and enhanced. It is therefore
possible that there are deviations to the messages described here.
L20-PR-S
SV: 1 HVH: 0 HVA: 0
Profibus DP xxx
4
5
6
7
3
1
2
