GE ML Series 350, Руководство по связи

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CHAPTER 3: ETHERNET INTERFACE MODBUS TCP/IP
350 FEEDER PROTECTION SYSTEM – COMMUNICATIONS GUIDE 3–11
Response :
The normal response returns the slave address, function code, starting address, and
quantity of registers preset.
42H Read Settings Group
Not a standard function.
All the protection function has two sets of settings - Group 1 and Group 2. This function
number is used to read the settings for each group.
Example:
Response:
43H Write Settings Group
Not a standard function
This function is used to write settings in a specific settings group.
Example: (In the example there is a write setting procedure in the Group 1 (00) , setting
address 0x09C1 and 2 bytes of data with value 0x0001.)
Byte Count 04 04
Data Hi 00
Data Lo 01
Data Hi 00
Data Lo 00
Field Name Hex
Slave Address FE
Function 10
Starting Address Hi 0F
Starting Address Lo 0A
No. of Registers Hi 00
No. of Registers Lo 02
Field Name Hex
Slave Address FE
Function 42
Group Activation 00
Starting Address Hi 0A
Starting Address Lo B3
No. of Registers Hi 00
No. of Registers Lo 01
Field Name Hex
Slave Address FE
Function 42
Byte Count 02
Data Hi 00
Data Lo 00
Field Name Hex