Modbus Tcp - Tripp Lite NGI-M08POE8-L2 Owner's Manual

6.10 Modbus TCP

Modbus TCP supports different types of data format for reading. The primary four types of them
are:
Data Access Type
Bit access Physical Discrete
Inputs
Internal Bits or
Physical
Coils
Word access Physical Input
(16-bit Registers
access)
Physical Output
Registers
MODBUS Data Map and Information Interpretation of Tripp Lite IE Switches
MODBUS base address of Tripp Lite switches is 1001(decimal) for Function Code 4.
Address Offset Data Type
System Information
0x0000 1 word
0x0001 16 words
0x0020 16 words
Function Function Name
Code
2 Read Discrete Inputs
1 Read Coils
4 Read Input Registers
3 Read Holding
Registers
Interpretation Description
HEX Vendor ID = 0x0b04
ASCII Vendor Name = "Tripp Lite"
Word 0 Hi byte = 'T'
Word 0 Lo byte = 'r'
Word 1 Hi byte = 'i'
Word 1 Lo byte = 'p'
Word 2 Hi byte = 'p'
Word 2 Lo byte = ''
Word 3 Hi byte = 'L'
Word 3 Lo byte = 'i'
Word 4 Hi byte = 't'
Word 4 Lo byte = 'e'
Word 5 Hi byte = '\0
Word 5 Lo byte = '\0''
ASCII Product Name = "NGI-M08POE8-L2"
Word 0 Hi byte = 'N'
Word 0 Lo byte = 'G'
Word 1 Hi byte = 'I'
Word 1 Lo byte = '-'
Word 2 Hi byte = 'M'
Word 2 Lo byte = '0'
Word 3 Hi byte = '3'
Word 3 Lo byte = 'P'
Word 4 Hi byte = 'O'
Word 4 Lo byte = 'E'
Word 5 Hi byte = '8'
Word 5 Lo byte = '-'
Word 6 Hi Byte = 'L'
Word 6 Lo byte = '2'
Word 7 Hi byte = '\0'
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Note
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Not support now
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