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Bosch Rexroth AG
Maintenance and Commissioning
8.6.2
System Stop
System stop "Unknown I/O mod‐
Pos LED
Display
H3
"RUN"
Green
Green~
Off
H4
"BF"
Red
Red~
Off
Green
Static display
Green~
Slow flashing of the display (0.8 s On and 0.2 s Off)
Green~~
Fast flashing of the display (0.125 s On and 0.125 s Off)
Fig.8-3:
Status Displays
The "system stop" state is displayed with the two LEDs "UL" and "DIA". During
a system stop the outputs are set to the safe status ("0") and the bus traffic to
the DP master is canceled. The system stop can be exited by rebooting the
device ("Network on").
H1
H2
"UL"
"DIA"
Off / green /
Off / red
green~
Green
Red~
Green~~
Off
Off / green
Red~~
Green~~
Red~~
Fig.8-4:
Display of the "System stop" state
The system stop "Unknown I/O module" means that the VAM 12.1/VAM 42.1
ule"
detected a module that is not supported by the firmware version of the bus
connection.
●
To operate the I/O module the firmware has to be updated.
●
If an error occurs with the current firmware version, the module has a
hardware error.
DOK-SUPPL*-VAM*XX.1***-PR02-EN-P
Rexroth IndraControl VAM 12.1/42.1 Machine Control Panels
Meaning
Operating Display
Cyclic I/O data exchange (normal operation)
Configuration error (command/actual assignment different)
The bus connection is not activated by the DP master.
Causes:
●
Wrong PROFIBUS DP station address
●
The PROFIBUS DP station address is assigned sev‐
eral times at the bus.
●
The response monitoring time is expired.
●
Error in master parameter set (GSD file); e. g. wrong
PNO-ID number, wrong buffer size (Prm, Cfg, ...)
●
Wrong parameterization in User_Prm_Data[1]
Bus error
The bus connection is searching for the baud rate.
Parameterization error (invalid parameterization data)
The bus connection has recognized and applied the baud
rate.
Meaning
No system stop
Unknown I/O mod‐
ule
Misconfiguration
Exceptional error
firmware
Exceptional error
hardware
Measure
-
Load new firmware version
(service case)
Verify I/O configuration
Service case
Service case
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