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RS485 communication
177
Com
mu
nica
tion
11.5 Communication protocol (MODBUS-RTU)
Use Modbus-RTU protocol (Open protocol).
Computer or other hosts can be Master and inverters Slave. Inverter responds to
Read/Write command from Master.
Code
Description
Function
Code
0x03
Read Hold Register
0x04
Read Input Register
0x06
Preset Single Register
0x10
Preset Multiple Register
Exception
Code
0x01
ILLEGAL FUNCTION
0x02
ILLEGAL DATA ADDRESS
0x03
ILLEGAL DATA VALUE
0x06
SLAVE DEVICE BUSY
User define 0x14
1.Write Disable (Address 0x0004 value is 0).
2.Read Only or Not Program during Running.
11.6 Communication protocol (LS BUS)
Basic format
Command message (Request):
Command message
(Request):
ENQ
Drive No.
CMD
Data
SUM
EOT
1 byte
2 bytes
1 byte
n bytes
2 bytes
1 byte
Normal response
(Acknowledge
Response)
ACK
Drive No.
CMD
Data
SUM
EOT
1 byte
2 bytes
1 byte
n * 4 bytes
2 bytes
1 byte
Negative response
(Negative Acknowledge
Response)
NAK
Drive No.
CMD
Error code
SUM
EOT
1 byte
2 bytes
1 byte
2 bytes
2 bytes
1 byte
Содержание SV-iG5H Series
Страница 1: ...Thank you for purchasing LS Variable Frequency Drives ...
Страница 14: ......
Страница 20: ...6 Installation Wiring 2 2 Dimensions SV004iG5H 2 SV008iG5H 2 SV004iG5H 4 SV008iG5H 4 SV015iG5H 2 SV015iG5H 4 ...
Страница 23: ...9 Installation Wiring Installation 2 3 Terminal wiring Control I O ...
Страница 24: ...10 Installation Wiring ...
Страница 51: ...37 Programming Keypad Basic operation Basic Ops Wiring Operating pattern ...
Страница 140: ...Advanced functions 126 The following pattern is shown when the H26 Number of auto restart try is set to 2 ...
Страница 174: ...Protective functions 160 ...
Страница 220: ...206 DECLARATION OF CONFIRMITY ...
Страница 224: ...210 ...
Страница 226: ...212 Revision History No Date Edition Changes 1 2018 05 08 First Release First Release 2 3 4 5 6 7 8 9 ...