Metrix DATAWATCH IX Modbus Operation & User’s Manual
Text of the manual
DATAWATCH IX Modbus
User Manual
Doc# 1870872 • REV A (January 2019)
This manual provides the procedure and instruction to remotely access Metrix
DATAWATCH through Modbus over TCP/IP.
all-guide
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Doc# 1870872 • REV A (January 2018) Page 2 of 7
Setup DATAWATCH
1.1 Log on the DATAWATCH with Engineer access level, type password 100
1.2 Go to Network\Modbus menu
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1.3 Make sure Address is 1, Unit ID Enable is Loose, and Serial Mode is Modbus
Slave. Change to these settings if they aren’t.
1.4 Write down the IP Address of DATAWATCH from Network\Interface menu for
later use by Modbus server
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1.5 Change the resolution of the registers so that you can read them in the proper
decimal numbers you want.
2 Test Modbus communication from Modbus scanner software
2.1 Install the Modbus scanner software in your computer and run it
2.2 Add TCP connection using the DATAWATCH IP address and Port number
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2.3 Create Slave Device with the ID that matches DATAWATCH setting
2.4 Add request to the DATAWATCH Modbus slave. The function can be either Hold-
ing resisters or Input registers. The Offset is the register address that can be found
from DATAWATCH Modbus map. The Length is how many bytes the register contain
