[?]: S7-200 + em 235 and Danfoss vlt 5000

dorofteius · Post by **dorofteius** » Mon Jul 06, 2009 11:36 am

I have a s7-200 cpu224 whith em235 module, and td200 as HMI.
I just need to read a temperature from one pt100 and RPM from the Danfoss Vlt 5000 drive.
Whith the temperature was easy, but how to do-it whith the drive? as it has options 4-20 ma, 0-10 V and 0 to 32 khz as I remember.

Whath do you recommend ?

hsbeyond · Post by **hsbeyond** » Sun Jul 12, 2009 7:30 am

it is easy, because the Danfoss Vlt 5000 can define the output sign , so you can read the RPM from the VLT 5000 through 4-20mA sign!