Chapter 5 Parameters
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VFD-B Series
5-82
Revision July 2008, BE16, SW V4.08 & V5.00
Group 9: Communication Parameters
There is a built-in RS-485 serial interface, marked RJ-11 (jack) is located near the control terminals.
The pins are defined below:
6
1
1: EV
2: GND
3: SG-
4: SG+
5: Reserved
6: Reserved
NOTE
1.
When connecting to the communication connector, please use RJ11 6P2C/6P4C
2.
When connecting to the PU, please use RJ12.
3.
Please notice that pin 1 is only for internal communication and external keypad. Please do not
use in other way to prevent drive malfunction or damage. For RS485 communication, please
only use pin 3 and pin 4.
Each VFD-B AC drive has a pre-assigned communication address specified by Pr.09-00. The
RS485 master then controls each AC motor drive according to its communication address.
09 - 00
Communication Address
Settings
01 to 254
Factory Setting: 01
If the AC motor drive is controlled by RS-485 serial communication, the communication
address for this drive must be set via this parameter. And the communication address for each
AC motor drive must be different and unique.
09 - 01
Transmission Speed
Factory Setting: 01
Settings
00
Baud rate 4800 bps (bits / second)
01
Baud rate 9600 bps
02
Baud rate 19200 bps
03
Baud rate 38400 bps
This parameter is used to set the transmission speed between the RS485 master (PLC, PC,
etc.) and AC motor drive.
Содержание VFD-B
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