EDS-508A/505A Series User’s Manual
Modbus/TCP Map
B-7
EDS-508A 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 = 0x0005
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-508A"
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 = ‘8’
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
0x0055
3 word
Ethernet MAC Address
Ex: MAC = 00-01-02-03-04-05
Word 0 Hi byte = 0x00
Word 0 Lo byte = 0x01
Word 1 Hi byte = 0x02
Word 1 Lo byte = 0x03
Word 2 Hi byte = 0x04
Word 2 Lo byte = 0x05
0x0058 1
word
Power
1
0x0000:Off
0x0001:On
0x0059 1
word
Power
2
0x0000:Off
0x0001:On