X20 system modules • Bus controllers • X20BC0143-10
X20 system User's Manual 3.10
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4.5.12.10 Save automatic configuration
The node number position 0x92 can be used to save automatically generated configurations. This makes it possible
to work with a standardized configuration without having to adapt the application to changes associated with service
work or different development stages for example.
1. Turn off the power supply to the bus controller.
2. Set the node number to 0x90.
3. Turn on the power supply to the bus controller.
4. Wait until the "MS" LED starts blinking green (100 ms on / 200 ms off).
5. The node number switch must be set to 0x00 and then back to 0x90 within this time window of 5 seconds
(rotate the top switch).
6. Wait until the "MS" LED blinks with a red double-flash (parameters have been cleared).
7. Turn off the power supply to the bus controller.
8. Set the node number to 0x92.
9. Turn on the power supply to the bus controller.
10.Wait until the "MS" LED starts blinking green (100 ms on / 200 ms off).
11.The node number switch must be set to 0x02 and then back to 0x092 within this time window of 5 seconds
(rotate the top switch).
12.Wait until the "MS" LED blinks with a red quad-flash (parameters have been saved).
13.Turn off the power supply to the bus controller.
14.Set the desired node number (0x01 - 0x7F).
15.Turn on the power supply to the bus controller.
16.The bus controller boots with the set node number and automatic transfer rate detection.
Information:
A mapping tool for decoding the saved PDO mapping is available in the Download section of the B&R
website (
