Advantech ADAM-5550KW Series, User Manual

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Chapter 5 Modbus Functions
ADAM-5550KW Series User’s Manual 5- 47
49. Save the project for following demonstration.
5.4 Modbus/TCP Server Function
ADAM-5550KW Series Controller supports Modbus/TCP server
function for connecting to HMI/SCADA software. The Modbus/TCP
server function is supported by using Ethernet port of ADAM-5550KW
Series Controller.
5.4.1 Modbus Address Mapping
ADAM-5550KW Series Controller reserves 16K Bytes memory space
for Modbus function. The memory block can store user’s data and
exchange the data through Modbus protocol. The unit in Modbus 4X
registers is Word so there are totally 8K Words available.
The Modbus address is defined from 42001 to 49999. In order to
exchange the data through Modbus, users need to move the data onto
this memory block by setting the memory address in “I/O Address”
field manually. The memory address of this memory block is defined
from mw3.0 to mw3.15996. The mapping table of I/O Address and