B
B
Appendix B Modbus/TCP Map
EDS-505A Modbus information v1.0
Read Only Registers (Support Function Code 4) 1 Word = 2Bytes
Address Data Type Description
System Information
0x0000 1 word Vendor ID = 0x1393
0x0001 1 word Unit ID (Ethernet = 1)
0x0002 1 word Product Code = 0x0004
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 = "EDS-505A"
Word 0 Hi byte = ‘E’
Word 0 Lo byte = ‘D’
Word 1 Hi byte = ‘S’
Word 1 Lo byte = ‘-’
Word 2 Hi byte = ‘5’
Word 2 Lo byte = ‘0’
Word 3 Hi byte = ‘5’
Word 3 Lo byte = ‘A’
Word 4 Hi byte = ‘\0’
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)
0x0053 2 word Firmware Release Date
Firmware was released on 2007-05-06 at 09 o’clock
Word 0 = 0x0609
Word 1 = 0x0705
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