Modbus/Tcp Mapping; Modbus/Tcp Mapping Table - Advantech EKI-7708 Series User Manual

4.12

Modbus/TCP Mapping

The data map addresses of Advantech switches shown in the following table start
from Modbus address 30001 for function code 4.
In the given example, the address offset 0x1000 (hex) equals Modbus address
34097, while the address offset 0x1100 (hex) equals Modbus address 34353.
The information given by the Advantech is shown in hex mode.
4.12.1

Modbus/TCP Mapping Table

Catelog Name
System Info Vendor ID =
0x'13FE
Unit ID = 0xFF 1 word 16 bits HEX
Product Code 1 word 16 bits HEX
Vendor Name
= "Advantech"
Product Name
= "EKI-xxxx"
Firmware
Version
Ethernet MAC
Address
Data Type Interpretation
1 word 16 bits HEX
16 32 ASCII
words chars
16 32 ASCII
words chars
2 32 bits HEX
words
3 48 bits HEX
words
132
Address Address Description
Offset (Hex) 3X
0x0000 30001 Vendor ID = 0x13FE
0x0001 30002 Unit ID = 0xFF
0x0002 30003 Product Code
0x0010 30017 Vendor Name =
"Advantech"
Word 0 Hi byte = 'A'
Word 0 Lo byte = 'd'
Word 1 Hi byte = 'v'
Word 1 Lo byte = 'a'
Word 2 Hi byte = 'n'
Word 2 Lo byte = 't'
Word 3 Hi byte = 'e'
Word 3 Lo byte = 'c'
Word 4 Hi byte = 'h'
Word 4 Lo byte = '\0'
0x0020 30033 Product Name =
"EKI-xxxx"
Word 0 Hi byte = 'E'
Word 0 Lo byte = 'K'
Word 1 Hi byte = 'I'
Word 1 Lo byte = '-'
Word 2 Hi byte = 'x'
Word 2 Lo byte = 'x'
Word 3 Hi byte = 'x'
Word 3 Lo byte = 'x'
Word 4 Hi byte = '\0'
0x020A 30523 Firmware Version
Word 0 Hi byte =
major
Word 0 Lo byte =
minor
Word 1 Hi byte =
release
Word 1 Lo byte =
build
0x020E 30527 Ethernet MAC
Address
Ex: MAC = 00-19-
CB-01-02-03
Word 0 Hi byte =
0x00
Word 0 Lo byte =
0x19
Word 1 Hi byte =
0xCB
Word 1 Lo byte =
0x01
Word 2 Hi byte =
0x02
Word 2 Lo byte =
0x03
EKI-7708 Series User Manual