Today is...
Tuesday, September 19, 2017
Welcome to Control.com, the global online
community of automation professionals.
Featured Video...
Featured Video
EtherCAT with CTC’s master lets your multivendor network play well together...
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Pulse and 4-20ma
I am having trouble with a flow meter and pulse/4-20ma output.

I am using a flow meter with pulse output. But I also have to have an analog transmitter to change the pulse to 4-20ma because I need my controller to recognize the rate and send out an alarm if the flow is too low. (And I don't think pulse will do this, it only counts the total amount)

The problem is these analog transmitters i'm buying from Badger meters cost around $200 apiece. I would be need around 15 and they cost almost as much as the flow meters themselves.

Does anyone have experience with these stuff that can recommend a cheaper option?

Thanks,
Ed

Hi Ed.
Laurels have some great transmitters that might work out for you:
https://www.laurels.com/transmitter-totalizer.php

Are you using a PLC? Some PLC makers have analog cards that can convert to input from the meter or connect using standard protocols.

I like to use flow meters with a MODBUS or CANOpen options and connect directly to our PLC without converters.


KyleD
Automation Imagined www.versateck.ca

Hi Kyle,

What Modbus flow meter do you recommend?