ICP DAS USA MDC-700 Series

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4. Configuration

The necessary configuration for Modbus TCP/Modbus RTU communication and polling definition is

handled by a single file named “config.csv”. Just follow the easy-to-use format defined in the

config.csv file to edit the configuration parameters and import the new file via a simple mouse-click,

the data on connected Modbus RTU slave devices can be accessed via Ethernet.

Only the Function code 01/02/03/04 can be used in the config.csv file:

01: Read Coil Status (Read DO)

02: Read Input Status (Read DI)

03: Read Holding Registers (Read AO)

04: Read Input Registers (Read AI)

If you would like to write data to a digital or analog output channel on a Modbus RTU slave device,

the output channel needs be mapped with a local register address in the MDC-700 by editing the

polling definition with using corresponding read function code (01 or 03). Refer to section 6. FAQ-Q4

for more detailed steps.

The following section intends to guide you to set up your MDC-700 module. After completing the

following steps, you can obtain configuration and other information related to the MDC module and

associated slave devices in your browser.

Basic operating procedure

Step 1: Export the config.csv file from MDC-700.

Step 2: Edit the config.csv file.

Note that before editing this file, you should confirm the parameter value for all associated

slave devices.

Step 3: Import the config.csv file to the MDC-700.

ICP DAS USA MDC-700 Series - Configuration