# Allen Bradley PLC not connecting **URL:** \ **Category:** General Discussion\ **Created:** [March 1, 2013, 9:50am UTC](https://forum.inductiveautomation.com/t/allen-bradley-plc-not-connecting/5946 "2013-03-01T09:50:54Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![David3](https://avatars.discourse-cdn.com/v4/letter/d/f475e1/32.png) [@David3](https://forum.inductiveautomation.com/u/David3)\ **Post date:** [March 1, 2013, 9:50am UTC](https://forum.inductiveautomation.com/t/allen-bradley-plc-not-connecting/5946/1 "2013-03-01T09:50:54Z")
I can ping device and view it on web browser but ignition is not connecting to PLC Using Version 7.5.5(b1255) I am recieving this error: BCon enable live values Connecting Error: hide Details java.lang.Exception: Error connecting to “10.32.12.191”. com.inductiveautomation.xopc.driver.api.AbstractNioDriver.connect(AbstractNioDriver.java:136) com.inductiveautomation.xopc.driver.api.AbstractDriver$5.run(AbstractDriver.java:529) com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:526) java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) java.util.concurrent.FutureTask.run(Unknown Source) java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) java.lang.Thread.run(Unknown Source) java.net.ConnectException: Connection timed out: connect java.net.PlainSocketImpl.socketConnect(Native Method) java.net.PlainSocketImpl.doConnect(Unknown Source) java.net.PlainSocketImpl.connectToAddress(Unknown Source) java.net.PlainSocketImpl.connect(Unknown Source) java.net.SocksSocketImpl.connect(Unknown Source) java.net.Socket.connect(Unknown Source) java.net.Socket.connect(Unknown Source) com.inductiveautomation.xopc.driver.api.AbstractNioDriver.connect(AbstractNioDriver.java:110) com.inductiveautomation.xopc.driver.api.AbstractDriver$5.run(AbstractDriver.java:529) com.inductiveautomation.ignition.common.execution.impl.BasicExecutionEngine$ThrowableCatchingRunnable.run(BasicExecutionEngine.java:526) java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) java.util.concurrent.FutureTask.run(Unknown Source) java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(Unknown Source) java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) java.lang.Thread.run(Unknown Source) ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [March 1, 2013, 3:00pm UTC](https://forum.inductiveautomation.com/t/allen-bradley-plc-not-connecting/5946/2 "2013-03-01T15:00:48Z")
The TCP connection is being refused. I assume the address is correct, so maybe the device you’re connecting to has a max number of allowed connections or something?