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UIM2501 Converting Controller
M25020101008EN UI Robot Technology Co. LTD
2.3 Baud Rate Change Instruction
（
BDR
）
Any out-of-box UIM2501 controller has a factory default baud rate 9600. User can use the
9600 baud rate to connect to a new UIM2501 controller.
To change to a different baud rate, user can use the instruction BDR as described below.
On receiving the BDR instruction, the new baud rate will be stored in the EEPROM and will
take effect after the controller is restarted.
Instruction BDR
Function
Change the RS232 baud rate
Syntax
BDR = x;
Variable
Integer x = 9600 … 115200
ACK
0xAA [Reserved] 0xBD 0xFF
0xBD is the Message ID of instruction BDR.
The
[Reserved]
is for factory use.
Comment
New Baud Rate will be stored in the controller’s non-volatile memory (EEPROM).
New baud rate will take effect after the controller is restarted.
2.4 Reset Baud Rate to Factory Default 9600
In case that user forgets the UIM2501 baud rate and cannot establish the connection,
following process can reset the baud rate to the factory default of 9600:
1. Reboot the controller.
2. In 10 seconds, toggle the DIP1 (DIP switch 1) for two rounds. During toggling, the LED
on the controller will flash. If exceed 10 seconds, please restart from the first step.
3. If step 2 is successful, the LED will turn off for one second and re-lit. That indicates the
baud rate has been changed to 9600 and ready to use.
4.
The BDR instruction can be used to change the 9600 Baud Rate.
