Code example Modbus

[Mimar]

How make a aplication Modbus monitoring, not slave, not master, only "monitoring". Is possible you send a example for 3 devices

[Khalid]

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This is a very simple process really:

1. Create 3 Modbus Objects -- one for each of your device. Make sure you are communicating with the PLCs.. look for any communication alarms.

2. Insert Expressions to display the values of the various registers you desire. The following article will help you with this:

http://zone.ni.com/devzone/conceptd.nsf/2d17d611efb58b22862567a9006ffe76/22a5b6ae4e78648c86256a320076f3f2?OpenDocument


Go over the Online Help if you get stuck somewhere. Or write back with specific queries.

Hope this gets you started..

Khalid 🙂


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