karlag Member K Join Date Mar 2006 Location Canada Posts 81 Dec 19, 2007 #1 Hello, I have Vaisala humidity and temperature transmitter HMD60Y. Do I need signal amplifier in order to communicate with Anolog to Digital PLC module? PLC-FX2n, Module-FX2n-2AD or FX2n-4ad-TC(tehrmo couple) Thanks!
Hello, I have Vaisala humidity and temperature transmitter HMD60Y. Do I need signal amplifier in order to communicate with Anolog to Digital PLC module? PLC-FX2n, Module-FX2n-2AD or FX2n-4ad-TC(tehrmo couple) Thanks!
Mickey Lifetime Supporting Member Join Date May 2003 Location Palmdale,Ca Posts 10,659 Dec 19, 2007 #2 If this http://www.vaisala.com/instruments/...ides/humidity/hmd60 user guide in english.pdf is what you have the document says it has a 4-20 ma output. Most PLC's will accept a 4-20 ma signal. No need for an amplifier
If this http://www.vaisala.com/instruments/...ides/humidity/hmd60 user guide in english.pdf is what you have the document says it has a 4-20 ma output. Most PLC's will accept a 4-20 ma signal. No need for an amplifier