Analog output using Ladder - S7-300

tee

Member
Join Date
Apr 2005
Posts
7
Hi,
I am using a Siemens S7-300 with an SM332. Programming with Step 7 Lite!

Is it possible to program the analog outputs using ladder diagrams?
If so, can you please provide an example?
A simple example of setting one of the outputs to 5V if possible (PLEASE)

Thanks,
Tee
 
Use the MOVE command and send a value of 13824 to PQWxxx (depending on the address of your analog output card) - this would give you some idea of how it works. By default the analogue scaling used is 0 to 27648 (which in your case, i'm assuming 0-10V, moving a value of 27648 would give you an output of 10v).

You would first need to configure the card in the HARDWARE manager to ensure the correct physical/electrical properties were selected.

Hope this helps.(y)
 

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