This LED indicates the status of the PROFIBUS network when in Master mode
and the status of the configured field devices when in Slave Mode.
Master
Solid Red – There are bus communication errors
Flashing Red – There are field device errors
Off – There are no bus communication or device errors
Slave
Solid Red – There are bus communication errors (if no valid packet has been
received by any configured slave for more than 1s).
Flashing Red – There are slave errors (at least one slave has not been
configured properly and is not exchanging DPV0 data).
Flashing Green – All slaves are successfully exchanging DPV0 data and the
DP network operational state is clear.
Solid Green – All slaves are successfully exchanging DPV0 data and the DP
network operational state is operate.
The activity LED is used for the activity on the Primary Interface (e.g.
EtherNet/IP, Modbus RTU, or Modbus TCP). Thus, every time a valid packet is
received from the Primary Interface the LED will toggle green. The LED will
toggle red if a corrupted packet was received (e.g. failed checksum when using
RS232 or RS485).
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