Delta VFD-B User Manual

Chapter 5 Parameters|VFD-B Series
5-88 Revision July 2008, BE16, SW V4.08 & V5.00
Command message: Response message:
‘0’ ‘0’
CR CR
END
LF
END
LF
RTU mode:
Command message: Response message:
Address 01H Address 01H
Function 08H Function 08H
00H 00H
Data address
00H
Data address
00H
17H 17H
Data content
70H
Data content
70H
CRC CHK Low EEH CRC CHK Low EEH
CRC CHK High 1FH CRC CHK High 1FH
(4) 10H: write multiple registers (write multiple data to registers)
Example: Set the multi-step speed,
Pr.05-00=50.00 (1388H), Pr.05-01=40.00 (0FA0H). AC drive address is 01H.
ASCII Mode:
Command message: Response message:
STX ‘:’ STX ‘:’
Address 1 ‘0’ Address 1 ‘0’
Address 0 ‘1’ Address 0 ‘1’
Function 1 ‘1’ Function 1 ‘1’
Function 0 ‘0’ Function 0 ‘0’
‘0’ ‘0’
‘5’ ‘5’
‘0’ ‘0’
Starting data
address
‘0’
Starting data
address
‘0’
‘0’ ‘0’
‘0’ ‘0’
‘0’ ‘0’
Number of data
(count by word)
‘2’
Number of data
(count by word)
‘2’
‘0’ ‘E’
Number of data
(count by byte)
‘4’
LRC Check
‘8’
‘1’ CR
‘3’
END
LF
‘8’
The first data
content
‘8’
‘0’
‘F’
‘A’
The second data
content
‘0’
‘9’
LRC Check
‘A’
CR
END
LF

Delta VFD-B Specifications

General

Series	VFD-B
Power Range	0.4kW to 15kW
Control Method	V/F Control, Sensorless Vector Control
Overload Capacity	150% for 60 seconds
Braking Unit	Built-in
Communication	RS-485
Protection Features	Over-voltage, Over-current, Overheat, Under-voltage, Ground fault, Short circuit