# MicroLogix1400 Connects but Won't Browse **URL:** \ **Category:** Ignition\ **Created:** [April 23, 2010, 8:24pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783 "2010-04-23T20:24:59Z")\ **Posts on this page:** 8\ **Page:** 1
**Author:** ![jgreenewv](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jgreenewv](https://forum.inductiveautomation.com/u/jgreenewv)\ **Post date:** [April 23, 2010, 8:24pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/1 "2010-04-23T20:24:59Z")
OK, I’ve got another oddity in my current project. While I was finishing up getting the sites online, I connected up the last location, which is a MicroLogix1400. When I try to browse the MicroLogix either in Designer or using the Quick Client, the browse times out. I can browse my MicroLogix1100s fine (as long as they are connected) but the 1400 always times out. Anyone else see this behavior? Thanks. Edit: Here is the error I’m getting. It doesn’t always throw the error, but when it does, this is what I’m seeing. `com.inductiveautomation.ignition.client.gateway_interface.GatewayException: Gateway Error 500: Read timed out at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.newGatewayException(GatewayInterface.java:236) at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:211) at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.sendMessage(GatewayInterface.java:201) at com.inductiveautomation.ignition.client.gateway_interface.GatewayInterface.invoke(GatewayInterface.java:587) at com.inductiveautomation.ignition.designer.sqltags.opcbrowser.OPCFolderNode.loadChildren(OPCFolderNode.java:51) at com.inductiveautomation.ignition.client.util.gui.tree.AbstractAsynchronousTreeNode$Loader.run(AbstractAsynchronousTreeNode.java:65) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.net.SocketTimeoutException: Read timed out at java.net.SocketInputStream.socketRead0(Native Method) at java.net.SocketInputStream.read(null) at java.net.SocketInputStream.read(null) at com.inductiveautomation.ignition.gateway.sqltags.providers.netbrowse.NetworkOPCBrowser$OPCBrowseParser.readRequest(NetworkOPCBrowser.java:150) at com.inductiveautomation.ignition.gateway.sqltags.providers.netbrowse.NetworkOPCBrowser.readFromStream(NetworkOPCBrowser.java:94) at com.inductiveautomation.ignition.gateway.sqltags.providers.netbrowse.NetworkOPCBrowser.browse(NetworkOPCBrowser.java:68) at com.inductiveautomation.ignition.gateway.sqltags.providers.DatasourceTagProvider.browseOPC(DatasourceTagProvider.java:144) at com.inductiveautomation.factorysql.extensions.sqltags.DatasourceProvidingDriver.browseOPC(DatasourceProvidingDriver.java:112) at com.inductiveautomation.ignition.gateway.sqltags.SQLTagsManagerImpl.browseOPC(SQLTagsManagerImpl.java:513) at com.inductiveautomation.ignition.gateway.project.ProjectLifecycle$ProjectDefaultTagManagerFacade.browseOPC(ProjectLifecycle.java:478) at com.inductiveautomation.ignition.gateway.servlets.gateway.functions.SQLTags.browseOPC(SQLTags.java:425) at sun.reflect.GeneratedMethodAccessor263.invoke(null) at sun.reflect.DelegatingMethodAccessorImpl.invoke(null) at java.lang.reflect.Method.invoke(null) at com.inductiveautomation.ignition.gateway.servlets.gateway.AbstractGatewayFunction.invoke(AbstractGatewayFunction.java:152) at com.inductiveautomation.ignition.gateway.servlets.Gateway.doPost(Gateway.java:376) at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at com.inductiveautomation.ignition.gateway.bootstrap.MapServlet.service(MapServlet.java:85) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) at java.lang.Thread.run(null) Ignition v7.0.9 (b4963) Java: Sun Microsystems Inc. 1.6.0_18 ` ---
**Author:** ![jgreenewv](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jgreenewv](https://forum.inductiveautomation.com/u/jgreenewv)\ **Post date:** [April 23, 2010, 8:43pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/2 "2010-04-23T20:43:38Z")
Additional info: I set up KEPServer EX v4 on the server, and was able to configure an item on the 1400, run a Quick Client, and pull data from the register, so communications is not a problem between the server and the PLC. ---
**Author:** ![thechtman](https://avatars.discourse-cdn.com/v4/letter/t/e56c9b/32.png) [@thechtman](https://forum.inductiveautomation.com/u/thechtman)\ **Post date:** [April 27, 2010, 2:13pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/3 "2010-04-27T14:13:34Z")
Which version of Ignition are you using? ---
**Author:** ![jgreenewv](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jgreenewv](https://forum.inductiveautomation.com/u/jgreenewv)\ **Post date:** [April 27, 2010, 2:22pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/4 "2010-04-27T14:22:50Z")
7.0.9 (b4963) ---
**Author:** ![thechtman](https://avatars.discourse-cdn.com/v4/letter/t/e56c9b/32.png) [@thechtman](https://forum.inductiveautomation.com/u/thechtman)\ **Post date:** [April 27, 2010, 3:11pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/5 "2010-04-27T15:11:40Z")
Please turn on the MicroLogixDriver and ABMicroLogixBrowseRequest trace levels to “Trace”, browse the 1400 and email the log files to [support@inductiveautomation.com](mailto:support@inductiveautomation.com) Thank you ---
**Author:** ![jgreenewv](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jgreenewv](https://forum.inductiveautomation.com/u/jgreenewv)\ **Post date:** [April 27, 2010, 4:37pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/6 "2010-04-27T16:37:58Z")
Sent. Thanks. ---
**Author:** ![thechtman](https://avatars.discourse-cdn.com/v4/letter/t/e56c9b/32.png) [@thechtman](https://forum.inductiveautomation.com/u/thechtman)\ **Post date:** [May 4, 2010, 4:50pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/7 "2010-05-04T16:50:36Z")
In the logs I see that the host machine (PLC) is aborting the connection. Please try downloading the development release 7.0.10.5000-beta1 and give it a try. I am not sure if it is related, but a change was made to handle the ports differently. ---
**Author:** ![jgreenewv](https://avatars.discourse-cdn.com/v4/letter/j/919ad9/32.png) [@jgreenewv](https://forum.inductiveautomation.com/u/jgreenewv)\ **Post date:** [May 4, 2010, 5:50pm UTC](https://forum.inductiveautomation.com/t/micrologix1400-connects-but-wont-browse/1783/8 "2010-05-04T17:50:10Z")
OK, I’m planning to be back at the jobsite tomorrow, so I’ll try it then and let you know what I find. Thanks.