AnsweredAssumed Answered

vrf Labview PID

Question asked by VRFuser on May 30, 2006
Ashley,
 
>the existing LV software uses an add-in pack which is used for PID control
 
See the VEE examples for a PID. You can change the parameters as req'd.
 
>they always know about LV but have never heard of VEE
 
The same as how Windows is more popular but Mac is waaaaaaaay better.
 
VEE = more work done in less time = less cost to your client.
 
Unless you really need the work, stick to your guns.
 
Good luck,
Bill

-----Original Message-----
From: Ashley Derrick [mailto:ashley@smartsolutions.karoo.co.uk]
Sent: Saturday, May 27, 2006 1:47 PM
To: VRF
Subject: [vrf] Labview PID


I have a customer asking me to quote on a test rig. The rig is a repeat order with slight variations, the last people wrote the software in Labview, which looks quite complicated. I suspect they are no longer trading and hence my involvement.
 
Obviously, I would prefer to use VEE but even if I was allowed to do so, the existing LV software uses an add-in pack which is used for PID control, and also a database module, which I don't think Vee has.  The new rig will be controlling air temperature (5 to 60 C) using PID control, wheas the old one controls  a water bath. The LV software also uses a 'curve matching' VI which again, I am not sure is specifically handled by VEE.
 
Any ideas? Do I stick to my guns and propose a VEE re-write or attempt to modify the existing LV code (the customer has LV 8 but  not sure if they have the necessary add in-packs though).
 
Problem is, whenever I get a new potential customer they always know about LV but have never heard of VEE
 
Best regards,
 
Ashley
 
 

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