Delta VFD-L Series User Manual

VFD-L Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
5-46
RTU mode:
C
ommand message:
R
esponse message:
ADR 01H ADR 01H
CMD 06H CMD 06H
Data address 01H Data address 01H
00H 00H
Data content 17H Data content 17H
70H 70H
CRC CHK Low 86H CRC CHK Low 86H
CRC CHK High 22H CRC CHK High 22H
3.4 CHK (check sum)
ASCII mode:
LRC (Longitudinal Redundancy Check) is calculated by summing up, module 256, the
values of the bytes from ADR1 to last data character then calculating the hexadecimal
representation of the 2’s-complement negation of the sum.
For example, reading 1 word from address 0401H of the AC drive with address 01H
STX ‘:’
‘0’ ADR 1
ADR 0
‘1’
‘0’ CMD 1
CMD 0
‘3’
‘0’
‘4’
‘0’
Starting data
address
‘1’
‘0’
‘0’
‘0’
Number of data
‘1’
‘F’ LRC CHK 1
LRC CHK 0
‘6’
CR END 1
END 0
LF
01H+03H+04H+01H+00H+01H=0AH, the
2’s-complement negation of 0AH is
F6
H.
RTU mode:
ADR 01H
CMD 03H
21H Starting addres
s
02H
00H Number of data
(count by word
)
02H
CRC CHK Low 6FH
CRC CHK High F7H

Delta VFD-L Series Specifications

General

Control Method	V/F Control
Output Voltage	0 to Input Voltage
Cooling Method	Fan Cooling
Enclosure Rating	IP20
Overload Capacity	150% for 60 seconds
Protection	Over-voltage, Over-current, Overheat, Under-voltage, Short circuit
Braking Unit	Built-in
Operating Temperature	-10°C to 50°C (14°F to 122°F)
Digital Inputs	5 programmable digital inputs
Analog Input	0-10V, 4-20mA
Communication Interface	RS-485 (Modbus)
Storage Temperature	-20°C to 60°C (-4°F to 140°F)
Humidity	90% RH, non-condensing
Altitude	Up to 1000m without derating
Input Voltage	200-240V, 380-480V