Delta VFD040EL43W User Manual

Chapter 4 Parameters  VFD-EL-W
4-76
Group 9: Communication Parameters
 You can set this parameter during operation.
The AC motor drive includes a built-in RS-485 serial interface, marked RJ45 near the control terminals. The RS-
485 pins are defined below.
RS-485
Serial interface
1: Reserved 2: EV
5: SG+ 6: Reserved
7: Reserved 8: Reserved
3: GND
4: SG-
8
1
09.00
Communication Address
Settings 1–254 Default: 1
 You must set the communication address this drive if the AC motor drive is controlled by RS-485 serial
communication. The communication address for each AC motor drive must be unique.
09.01
Transmission Speed
Default: 1
Settings 0: Baud rate 4800 bps (bits / second)
1: Baud rate 9600 bps (bits / second)
2: Baud rate 19200 bps (bits / second)
3: Baud rate 38400 bps (bits / second)
 Sets the transmission speed between the RS-485 master (such as PC) and the AC motor drive.
09.02
Transmission Fault Action
Default: 3
Settings 0: Warn and keep operating
1: Warn and ramp to stop
2: Warn and coast to stop
3: No warning and keep operating
 Determines how the AC motor drive reacts if a transmission fault occurs.
09.03

Time-out Detection
Unit: 0.1
Settings 0.0–120.0 sec. Default: 0.0
0.0 Disable
 If Pr.09.03 is not equal to 0.0, and Pr.09.02=0–2, and there is no communication on the bus during the time-
out detection period (set by Pr.09.03), the digital keypad displays “cE10”.
09.04
Communication Protocol
Default: 0
Settings 0: Modbus ASCII mode, protocol <7, N, 2>
1: Modbus ASCII mode, protocol <7, E, 1>
2: Modbus ASCII mode, protocol <7, O, 1>
3: Modbus RTU mode, protocol <8, N, 2>
4: Modbus RTU mode, protocol <8, E, 1>
5: Modbus RTU mode, protocol <8, O, 1>
6: Modbus RTU mode, protocol <8, N, 1>
7: Modbus RTU mode, protocol <8, E, 2>
8: Modbus RTU mode, protocol <8, O, 2>
9: Modbus ASCII mode, protocol <7, N, 1>
10: Modbus ASCII mode, protocol <7, E, 2>

Delta VFD040EL43W Specifications

General

Brand	Delta
Model	VFD040EL43W
Category	DC Drives
Language	English