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P a g e
3.7 Repeat 4-20 mA Input Signal
CAUTION:
If sending a 4-20 mA signal from a Phase Connect to a Phase
Technologies VFD, wires must be connected to I1- and COM in VFD. Wiring to I1+ and I1-
can damage the VFD control board and void warranty.
Phase Connect allows users to control a VFD and monitor the input from the portal using a
single transducer. To do this, wire the transducer, VFD, and Phase Connect as shown in
. On the portal dashboard, check the box under the 4-20 mA Output that says,
“Match Input” and hit
Send Commands
. Now both the portal and the VFD will read the 4-
20 mA transducer signal. When turning the
Match Input
command
OFF
, the 4-20 mA
Output will be reset to 0.
Figure 12
– Repeat 4-20 mA Signal
Install Tip
Be sure to hit SEND COMMANDS after selecting MATCH INPUT to enable this feature.
Phase Technologies VFD Settings:
SYSTEM CONFIG =
Speed Control
Proportional to 4-20 mA Signa)
Portal Settings:
4-20 mA Output
= Check the box
“Match Input”
