0-10v Analog output to control VFD

benjie007

Member
B
Join Date
Feb 2010
Location
california
Posts
22
I just wanted to send a 0-10VDC to my IF2OF2 module
connected to ML1100 (1763-L16BWA) to control a
VFD.
The idea is to input a number on the PVC300 to adjust
the speed of the VFD.
I was stumble in putting my scale together, or would this be
possible? or wrong wiring may be?

Thanks..
 
Hi

Could you expand a little on your problem please as I am not sure what you are asking.

Now you could look at the scale instruction in ml 1100 I think it's a scl or a scp
Have a look at both and this will allow you to enter speed or htz on the HMi.

Donnchadh
 
Thanks Don.
am using SCP instruction.

Input: F8:0
Input min. 0
max. 1023
Scaled min. 0
max. 10
Output. O:1.0

The card was configured as raw/proportional.
 
See pdf below for data formats that should get you close, use the values for your scaled min and max in the "SCP" instruction. PDF is for a 1762-OF4 but I believe they are the same for the 1762-IF2OF2. Do some testing to verify you get the correct voltage out for a given raw data.

Knowledgebase article 18075 ( tech connect required, I don't have one to view it) is for the 1762-IF2OF2 data format values.
 
Last edited:
Hey guy's, thanks a lot for all your help.
With all the information you shared ,i be able to
see output as i enter value to F8:0. Its good enough
to start with.
 
Donnchadh was correct of course. I just saw the shifted 12 bit number occupying up to bit 15 and didn't think it through. It's good to actually read.
 

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