Manual

10
WiringtheEchoSonic®II
After mounting the sensor, make the necessary electrical connections.A wiring diagram
with specific recommendations for the sensor’s configuration can be printed from the
WebCal™program.Atypicalwiringdiagramisshownonthenextpage.
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Red(+)&Black(‐):Red(R/+)andBlack
(BLK/‐)leadsareforconnectiontoa24VDCpower
supplyortoa4‐20mAlooppowersource.Theredandblackwirescanbeextendedupto 
1,000 feet using a 22 gauge or larger wire; however do not extend the green and white
wires.
White
(T) & Green (R):White (W/T)  and Green (G/R) leads are reserved for use with
WebCal™andshouldnotbeconnectedduringusageintheapplication.Thesewiresshould
notbeconnectedtoWebCal™whilepowerissuppliedfromanysourceotherthantheLI99
seriesFob.
Neverallowthewhite
orgreenwirestotouchanypowersupply.
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