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Service and maintenance
9.1 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 9- 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 are shown by the "LINK" LED. The LED can adopt the
colors green, red or yellow and the statuses off , on
Table 9- 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.
108
Meaning
Communication takes place between CM and reader.
The presence of a transponder is reported.
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
Note that OPC UA error messages are present until the next command is issued. In the case of the
OPC UA command "Scan", the error is only indicated by the "ER" LED flashing once.
You can find more information on error messages in the section "Error messages (Page 116)".
, flashing :
, flashing :
Operating Instructions, 03/2022, C79000-G8976-C578-02
SIMATIC RF166C
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