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Page 76 of 112 TR - ECE - BA - DGB - 0036 - 16 11/05/2018
5.4 Bus status display
The measuring system has two LEDs in the connection hood. A red LED (Bus Fail) to
display faults and a green LED (Bus Run) to display status information.
When the measuring system starts up, both LEDs flash briefly. The display then
depends on the operational state.
Type with cable glands Type with connectors
BUS FAIL
LED, red
BUS RUN
LED, green
Cause
No supply voltage, hardware error
Parameter- or configuration error
(Preset value1/2 or limit switch out of range,
wrong GSD file)
Memory error, position error
Blink mode is supported only in case of older
measuring system generations.
Unrecoverable measuring system defect
(memory error, position error)
No allocation to a master, no data exchange
Parameter- or configuration error in PNO compatible
nominal configuration
(number of revolutions is not a power of two)
operational, no error, bus in cycle
Corresponding measures in case of an error see chapter “Troubleshooting and
diagnosis options”, page 104.
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