C
C
Appendix C
Modbus/TCP Map
PT-7828 Modbus information v1.0
Read Only Registers (Support Function Code 4) 1 Word = 2 Bytes
Address
Data Type
Description
System Information
0x0000
1 word
Vendor ID = 0x1393
0x0001
1 word
Unit ID (Ethernet = 1)
0x0002
1 word
Product Code = 0x0006
0x0010
20 words
Vendor Name = "Moxa"
Word 0 Hi byte = ‘M’
Word 0 Lo byte = ‘o’
Word 1 Hi byte = ‘x’
Word 1 Lo byte = ‘a’
Word 2 Hi byte = ‘\0’
Word 2 Lo byte = ‘\0’
0x0030
20 words
Product Name = "PT-7828"
Word 0 Hi byte = ‘P’
Word 0 Lo byte = ‘T’
Word 1 Hi byte = ‘-’
Word 1 Lo byte = ‘7’
Word 2 Hi byte = ‘8’
Word 2 Lo byte = ‘2’
Word 3 Hi byte = ‘8’
Word 3 Lo byte = ‘\0’
Word 4 Hi byte = ‘\0’
Word 4 Lo byte = ‘\0’
0x0050
1 word
Product Serial Number
0x0051 2
words
Firmware
Version
Word 0 Hi byte = major (A)
Word 0 Lo byte = minor (B)
Word 1 Hi byte = release (C)
Word 1 Lo byte = build (D)
0x0053
2 words
Firmware Release Date
Firmware was released on 2007-05-06 at 09 o’clock
Word 0 = 0x0609
Word 1 = 0x0705