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 = 0xFFFF
0x0001
1 word
Unit ID (Ethernet = 1)
0x0002
1 word
Product Code = 0x0003
0x0010
20 word
Vendor Name = "Weidmueller"
Word 0 Hi byte = 'W'
Word 0 Lo byte = 'e'
Word 1 Hi byte = 'i'
Word 1 Lo byte = 'd'
Word 2 Hi byte = 'm'
Word 2 Lo byte = 'u'
Word 3 Hi byte = 'e'
Word 3 Lo byte = 'l'
Word 4 Hi byte = 'l'
Word 4 Lo byte = 'e'
Word 5 Hi byte = 'r'
Word 5 Lo byte = ' '
Word 6 Hi byte = '\0'
Word 6 Lo byte = '\0'
0x0030
20 word
Product Name = “IE-SW-VL08M”
Word 0 Hi byte = ‘I’
Word 0 Lo byte = ‘E’
Word 1 Hi byte = ‘-’
Word 1 Lo byte = ‘V’
Word 2 Hi byte = ‘L’
Word 2 Lo byte = ‘0’
Word 3 Hi byte = ‘8’
Word 3 Lo byte = ‘M’
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)