1766-RM001A-EN-P MicroLogix 1400 Programmable Controllers ...

656 Knowledgebase Quick StartsEach time the DLG instruction receives a false-to-true transition anotherentry is saved in the Data Logging queue. The above data reflects that theDLG instruction was executed 5 times. The above data also reflects thatno data points had changed during each DLG execution.Frequently Asked QuestionsQ1: Can I write my own software application to retrieve the data stored inthe Data Logging queue?A1: Yes - In the MicroLogix 1400 Instruction Set Reference manual, underthe Data Logging chapter, all the information necessary to create yourown software application, for retrieving the data stored in the processorsData Logging queue, is shown.Q2: Can the MicroLogix 1400 controller automatically send theinformation stored in the Data Logging queue directly to a printer?A2: No - To retrieve the data either the free Data Logging Utility softwaremust be used or a custom application must be created by the user. If thedata does not need to be stored in the processor, but sent directly to aprinter then use the ASCII instructions of the MicroLogix processor tosend out the data.Using the DATALOG Utility to retrieve data remotely via a RemoteAccess Modem Kit (RAD)For more information on Remote Access Modem Kits visit http://support.rockwellautomation.com/modem/modem_Main.aspPublication 1766-RM001A-EN-P - October 2008