URA

Modules FX0N-3A, the problem with the zero address.

7 posts in this topic

Hi. I am newbie. I have a problem with analog modules FXON-3A. Controller FX1N-40MR, on the right side are connected two modules FXON-3A. The first uses only an analog output, the second uses one analog input and one analog output. Of the two modules, only one works with address 1.
"Send the rewind speed to output block 0 chanel 1.
Step 730 M8000 [TO K0 K16 D2 K1]
[TO K0 K17 H4 K1]
[TO K0 K17 H0 K1]
Read in the unwind tension demand pot from block 1 chanel 1.

Step 758 M8000 [TO K1 K17 H0 K1]
[TO K1 K17 H2 K1]
[FROM K1 K0 D10 K1]
Move the unwind brake tension demand to output block 1 chanel 1.

Step 917 M8000 [TO K1 K16 D8 K1]
[TO K1 K17 H4 K1]
[TO K1 K17 H0 K1]”
When I change addresses 0 and 1 of the module, the program starts again with 1 address.
“Step 730 M8000 [TO K1 K16 D2 K1]
[TO K1 K17 H4 K1]
[TO K1 K17 H0 K1]
Step 758 M8000 [TO K0 K17 H0 K1]
[TO K0 K17 H2 K1]
[FROM K0 K0 D10 K1]
Step 917 M8000 [TO K0 K16 D8 K1]
[TO K0 K17 H4 K1]
[TO K0 K17 H0 K1]”
What could be the problem?

Edited by URA

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3 months ago there was a similar problem. Only the module with "1" address did not work.
With "0" the address was all OK. Then the controller died. The FX1N-40MR controller and one FXON-3A module were replaced. Modules changed places, does not help.

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The FX1N supports the easy instruction for the FX0N-3A 
RD3A and WR3A

 

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Step 730
" M8000 [TO K0 K16 D2 K1]
[TO K0 K17 H4 K1]
[TO K0 K17 H0 K1]"
Replaced by:
 " M8000 WR3A K0 K1 D2"
Did not help.

The program with the comments was on floppy  along with the equipment.
Also the program was read from the controller.
Verify programs showed no errors.

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The problem you are facing is that you are using M8000 always on for all instructions. The module needs time to process the commands.
use it like this and your problem should be solved.

Capture.JPG

 

But why aren't you using the commands i suggested ???

Edited by Gambit

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The problem you are facing is that you are using M8000 always on for all instructions. The module needs time to process the commands.
use it like this and your problem should be solved.

This is a good idea. I'll definitely try. Thanks for the help. After Holidays 4 days.

 

Edited by URA

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But why aren't you using the commands i suggested ???

I will definitely try again. Thank you.

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