B
B
Appendix B Modbus/TCP Map
Modbus Information
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 = 0x0011
0x0010 20 word
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 word Product Name = “TN-5500” or “TN-5518”
Word 0 Hi byte = ‘T’
Word 0 Lo byte = ‘N’
Word 1 Hi byte = ‘-’
Word 1 Lo byte = ‘5’
…
Word 3 Hi byte = ‘5’
Word 3 Lo byte = ‘1’
Word 4 Hi byte = ‘6 or 8’
Word 4 Lo byte = ‘\0’
0x0050 1 word Product Serial Number
0x0051 2 word
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)
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