[?]: how to increase distance of an Sensor<=>SM-331

[saberbf]

hello

I have problem with 6ES7331-1KF01-0AB0 analog input card.
as is declared in its datasheet, the max. supported distance by this card is 200m.
the problem is how can I extend this distance to more than 1000 meters.
any help would be appreciated.

thanks

[dsekulic]

Hi, do you think about wireless. Phoenix contact have such system.
Look http://www.phoenixcontact.com/global/si ... _25641.htm

[saberbf]

It seems not to be commercial whereas I have just 10 Analog signals that should be connected to the s7-300 plc.
I've heard that Isolator Barriers are able to increase distance between Field Instrument and AI Card up to 1000m, depending on their specifications. Am I Right?