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Service and maintenance
10.1 Diagnostics
PRE
ER
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PROFIBUS LED display
The states of the PROFIBUS connection are shown by the "DP" LED. The LED can adopt
the colors green, red or yellow and the states off , on
Table 10- 3
Display of the PROFIBUS states via the PROFIBUS LED display
DP
Meaning
No connection is available.
•
No cable has been connected.
•
LED test while the CM is starting up.
•
A connection is available.
•
Ethernet LED display
The states of the Ethernet connection is indicated by the "LINK" LED. The LED can adopt
the colors green, red or yellow and the statuses off , on
Table 10- 4
Display of the Ethernet states via the Ethernet LED display
LINK
Meaning
No connection is available.
•
No cable has been connected.
•
LED test while the CM is starting up.
•
A connection is available.
•
126
Meaning
The presence of several transponders is reported.
Note: The number of transponders located in the antenna field cannot be read via the LED.
An error has occurred between CM and reader.
Possible errors:
1x: After the reader was started up, no "WriteConfig" command was sent to the reader.
•
2x: Configuration error
•
The specified configuration does not match the type of reader connected.
3x: Transmission error
•
4x: Group error
•
You can find more information on error messages in the section "Error messages (Page 134)".
, flashing :
, flashing :
Operating Instructions, 12/2019, C79000-G8976-C578-01
SIMATIC RF166C
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