Chapter 8 MODBUS Communications|ASDA-B Series
8-4 Revision January 2009
8.2 Communication Parameter Settings
The following describes the communication addresses for the communication parameters.
For communication parameters, please refer to the Chapter 7.
0300H
Address Setting
Default: 1
Range: 1 ~ 254
If the AC servo drive is controlled by RS-485 communication, each drive (or device) must be uniquely
identified and addressed between 1 and 254. Access to program this number is via parameter P3-00.
0301H
Transmission Speed
Default: 3
Settings:
0: Baud rate 4800 (data transmission speed: bits / second)
1: Baud rate 9600 (data transmission speed: bits / second)
2: Baud rate 19200 (data transmission speed: bits / second)
3: Baud rate 38400 (data transmission speed: bits / second)
4: Baud rate 57600 (data transmission speed: bits / second)
5: Baud rate 115200 (data transmission speed: bits / second)
This parameter is used to set the desired transmission speed between the computer and AC servo drive.
Users can set this parameter and control transmission speed to reach the maximum baud rate of
115200 bps.
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