GE 345 Communications Manual page 38

ETHERNET INTERFACE
1–34
Field Name
Slave Address
Function
Starting Address Hi
Starting Address Lo
No. of Registers Hi
No. of Registers Lo
Byte Count 04
Data Hi
Data Lo
Data Hi
Data Lo
Response:
The normal response returns the slave address, function code, starting address, and
quantity of registers preset.
Field Name
Slave Address
Function
Starting Address Hi
Starting Address Lo
No. of Registers Hi
No. of Registers Lo
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:
Field Name
Slave Address
Function
Group Activation
Starting Address Hi
Starting Address Lo
No. of Registers Hi
No. of Registers Lo
CHAPTER 1: COMMUNICATIONS GUIDE
Hex
FE
10
0F
0A
00
02
04
00
01
00
00
Hex
FE
10
0F
0A
00
02
Hex
FE
42
00
0A
B3
00
01
345 TRANSFORMER PROTECTION SYSTEM – COMMUNICATIONS GUIDE