CHINT NVF5 Series User Manual

NVF5 Series User Manual Appendix A RS485-MODBUS
Communication Instructions
Type
001
1
16-bit unsigned bit data type
010
2
32-bit unsigned bit data type
011
3
8-bit signed bit data type
100
4
16-bit signed bit data type
101
5
32-bit signed bit data type
7~5bit:
Magnification
000
0
No magnification factor
001
1
1X magnification
010
2
2X magnification
011
3
3X magnification
100
4
4X magnification
101
5
5X magnification
4~0bit: Unit
00000
0
No unit
00001
1
Voltage
00010
2
Current
00011
3
Power kW
00100
4
Frequency Hz
00101
5
Frequency kHz
00110
6
Torque Nm
00111
7
Speed rpm
01000
8
Time second s
01001
9
Time millisecond ms
01010
10
Time microsecond us
01011
11
Time minute Min
01100
12
Time hour Hr
01101
13
percentage
01110
14
Weight kg
01111
15
Resistor resistance
10000
16
Inductance value
10001
17
Temperature
10010
18
Pressure value Mp
10011
19
Length meter m
10100
20
Centimeter cm
10101
21
Millimeter mm
10110
22
Capacity kVA
10111
23
Line speed m/min
11000
24
Mp/s
11001
25
Frequency change rate Hz/s
A.6 Control Command, State Information and Fault Information
Modbus master station can start and stop inverter, by setting the running frequency
through the control command. It can check parameter status information (such as: running
frequency, output current, output torque, etc.) through the corresponding command, also
can monitor the fault information of the inverter .
Table A.4 Command Parameter Description
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CHINT NVF5 Series Specifications

General

Brand	CHINT
Model	NVF5 Series
Category	Inverter
Language	English