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RFI Grounding
The iQ Series generator provides the operating power
and power returns. Make sure the generator is grounded
properly.
In addition to the safety considerations, proper grounding
is essential for the effective suppression of RFI (Radio
Frequency Interference). Every generator contains a
RFI lter which blocks noise on the AC power line from
entering the generator control circuitry. This lter also
prevents ultrasonic RFI from being fed back into the AC
power line.
If you experience problems with RFI from the press, run
an additional grounding wire from the press base ground-
ing stud to the nearest grounded metal pipe or equivalent
earth ground by means of a ground clamp. Use at least 14
AWG wire for the connection to the press base.
CAUTION
To minimize electrical noise
and eliminate ground cur-
rents, ground the chassis
as shown. Use a STAR con-
guration (illustrated below).
Do not DAISY CHAIN the
grounds.
Earth
Ground
#14 Gauge
Stranded or
Solid Wire
Fixed Probe Mount
or 2nd Chassis
Grounding Stud
3rd Chassis
Grounding
Stud
Chassis Grounding
Stud
Recommended protective
earth ground connection
wire color: green or green
with yellow stripe.
Page 28
iQ Series Ultrasonic Generator/Power Supply ES User’s Manual
Dukane Manual Part No. 403-575-00