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AN00174-001 Modbus TCP Fieldbus Option for MotiFlex e100.doc

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The ‘Save Device Configuration File…’ button can be used to save the DCF file to PC disk should

you need to save this for future use. Check the ‘Download device configuration to the controller’

and ‘Reset controller after download’ boxes and click on ‘Finish’ to transfer the DCF file to the

NextMove e100 and force it to restart.

Once the NextMove e100 has restarted you are ready to test if the client/PLC is able to read/write

data on the NextMove.

Testing the Exchange of Process Data

Whilst connected to the NextMove e100 use WorkBench v5.5 to select the ‘Net Data’ tab within

the Spy Window on the right hand side of the Edit & Debug area.

Click on the Add… button and add a Watch to NetData Channel 1 (Data Type Float). Repeat this

for NetaData Channel 2 (Float), NetData Channel 3 (Float) and NetData Channel 4 (Float).

Your Net Data Watch Window should look something like this…

Now poke some values into NetData Channels 3 and 4 on the NextMove (we entered 12.34 and

56.78 as you can see above).

Ask the Modbus client/PLC to read Modbus registers 256 and 258 and you should receive the

values entered for these two NetData channels.

Now using the Modbus/TCP client/PLC, write some Float data to Modbus registers 0 and 2 (i.e. the

first two floats). You should see these appear in the NextMove’s NetData Watch Window (as you

can see from above, we wrote the values 1.11 and 2.22).

Congratulations! You have now completed this Application Note. You can now see how simple it is

to exchange data in either direction between a Modbus/TCP client device and a NextMove e100

using the MotiFlex e100 with Modbus/TCP Fieldbus Option Card.

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