LS Industrial Systems iS7 RAPIEnet, Руководство по настройкам

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iS7 Ethernet Option Manual
16
② ② ② ②
Read Input Registers
The function used to read the data in the Inverter (Server).
Constitution of the frame requested from Client to Server;
Constitution of the frame sent from Server to Master in response;
③ ③ ③ ③
Write Single Register
The function used to change one of the data in the Inverter (Server).
Constitution of the frame requested from Client to Server;
Requested Frame Length Value
Function code 1 Bytes 0x04
Comm. address 2 Bytes 0x0000 ~ 0xFFFF
The number of
data requested
2 Bytes
1~16
(LSIS Inverter standard)
Response Frame Length Value
Function code 1 Bytes
0x03
Comm. address 1 Bytes
2 x The requested
number of data
The number of
data requested
The requested
number of data x 2
Bytes
Value of the data of the
given number from the
communication address
Requested Frame Length Value
Function code 1 Bytes 0x06
Comm. address 2 Bytes 0x0000 ~ 0xFFFF
Data value 2 Bytes 0x0000 ~ 0xFFFF