Chapter 7 - LED status indicators
Version EN-092019-1.21
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7.2
High Availability LEDs
LEDs
Meaning
RUN
RUN Led with 1 Hz green: HA is enabled and PB Masters are in Offline or primary
mode
RUN
RUN Led with 0.5 Hz green: HA is enabled and PB Masters are in backup mode
RUN
RUN Led with 1 Hz red: Problem with communication to redundancy partner or
partner missing.
7.3
Modbus LEDs (MB)
LEDs
Meaning
SF
BF
No connection to a Modbus client
The communication between the gateway and Modbus client is interrupted.
SF
BF
Connection establishment
Time period the system needs to establish a connection; devices cannot yet
communicate with each other.
SF
BF
Connected to the controller
All devices are exchanging data.
SF
BF
Error in the Modbus part of the device
An error such as a software error or a licence error has occurred.
7.4
PROFIBUS Master LEDs
LEDs
Meaning
SF
BF
All channels offline
SF
BF
All devices exchange data on all channels
/
SF
BF
At least one used channel is not online
/
SF
BF
At least one slave is not in data exchange
(BF: green - all channels are online; red: not any channel is online.)
SF
BF
Error in the PROFIBUS part of the device
An error such as a software error or a license error has occurred.
