ICP DAS, MDC-211-WF user manual , v1.1 Page
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Set the specified communication interface as Modbus Master
Click the "Module Setting"
→
"Modbus RTU/TCP"
→
"Wi-Fi/RS-232/RS-485", to select
the to “Modbus Master” in the "Modbus Mode" configuration field. For the description of the
Modbus Communication Interface settings, please refer to section “4.2 Modbus Protocol
Parameter Descriptions".
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Add the Modbus RTU devices that want to control
Step1 After setting the protocol to Modbus Master (refer to Figure 2.9), click the icon " "
at the bottom of "Modbus Device" to add a Modbus RTU Slave device and give the
module name (up to 12 ASCII characters) and Modbus address (the Slave station
number (1~255) of the Modbus RTU).
Step2 Following the Figure 2.10, click the icon " " at the bottom of Modbus RTU Slave
module to add a Modbus RTU Register, and set the Modbus Function Code, Start
address, Length and Range of the Register.
Figure 2.10 Add Modbus RTU Slave Module/Register window
Step3 After settings, click "OK" for saving the changes. If you want to discard the changes
please click "Cancel" go back to the previous page. If you want to remove the Modbus
register, click the icon " ".
