https://ni.lithium.com/t5/Lookout/Code-example-Modbus/m-p/54343#M911 How make a aplication Modbus monitoring, not slave, not master, only "monitoring". Is possible you send a example for 3 devices <BR /> Wed, 31 Jul 2002 14:30:50 GMT Mimar 2002-07-31T14:30:50Z https://ni.lithium.com/t5/Lookout/Code-example-Modbus/m-p/54343#M911 How make a aplication Modbus monitoring, not slave, not master, only "monitoring". Is possible you send a example for 3 devices <BR /> Wed, 31 Jul 2002 14:30:50 GMT https://ni.lithium.com/t5/Lookout/Code-example-Modbus/m-p/54343#M911 Mimar 2002-07-31T14:30:50Z https://ni.lithium.com/t5/Lookout/Code-example-Modbus/m-p/54344#M912 ____________________________________________<BR /><BR />This is a very simple process really: <BR /><BR />1. Create 3 Modbus Objects -- one for each of your device. Make sure you are communicating with the PLCs.. look for any communication alarms.<BR /><BR />2. Insert Expressions to display the values of the various registers you desire. The following article will help you with this:<BR /><BR />http://zone.ni.com/devzone/conceptd.nsf/2d17d611efb58b22862567a9006ffe76/22a5b6ae4e78648c86256a320076f3f2?OpenDocument<BR /><BR /><BR />Go over the Online Help if you get stuck somewhere. Or write back with specific queries. <BR /><BR />Hope this gets you started..<BR /><BR /><I>Khalid </I> <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span><BR /><BR /><BR />____________________________________________ <BR /> Wed, 31 Jul 2002 14:57:31 GMT https://ni.lithium.com/t5/Lookout/Code-example-Modbus/m-p/54344#M912 Khalid 2002-07-31T14:57:31Z