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from the Automation List department...
Twido PLC
PLCs and related questions. topic
Posted by marcius on 26 April, 2007 - 1:21 am
Hi,

It's my first time when I'm working with Twido PLC, and I have a very strage problem.
Let's say I have such rung:

| I0.0 I0.1 Q0.0 |
+-----] [-----] [------()----+
| |


When both inputs are active the output doesn't get active.

Maybe anyone else had this problem and knows how to solve it?

Example:<br>
http://img153.imageshack.us/img153/19 03/twidobj5.jpg

Thanks in advance.


Posted by Anonymous on 26 April, 2007 - 11:55 pm
Please check if you have used the same output in any other part of your logic.


Posted by Anonymous on 27 April, 2007 - 9:39 am
yes i did and that was a problem if you use coil with same address more then once it does't work like it should...


Posted by Pravin on 21 January, 2008 - 12:50 pm
Pls make a note of Serial number of Twido you are using and check with schneider support team, You might require a patch as some cpu version had a problem


Posted by ww on 27 April, 2007 - 12:58 am
I know this is a stupid question, but are you sure you put the Twido into run mode?


Posted by Michael Griffin on 27 April, 2007 - 9:38 am
Check to see if the output (Q0.0 and %M41 in your two examples) is also addressed anywhere else in the program. There might be another rung turning the same output off.


Posted by Anonymous on 27 April, 2007 - 3:57 pm
Is your configuration correct? If you don't have the hardware configuration correct, the output will not function.


Posted by Christine Bush on 27 April, 2007 - 3:57 pm
Check the hardware configuration. If it is incorrect, the outputs will not function.


Posted by Miguel Pereira on 11 May, 2007 - 8:23 am
You probably have some Set or Reset instructions using that output. Donīt mix coils and memorized actions.

Take care


Posted by Pradeep on 31 May, 2007 - 10:57 pm
When two inputs is high then there should be output. If not, there are two possibilities:

1. Maybe anywhere line is deleted in between output & input

2. Twido PLC may be in stop mode

With regards,

Pradeep

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