Dukane iQ Series User Manual download pdf (Page 22)

Page 16

iQ Series, Auto User’s Manual

Dukane Manual Part No. 403-573-02

Power Grounding

For safety, the iQ Auto chassis must be properly ground-

ed. The power line ground connection is located on the

center screw terminal on the AC Power Inlet pluggable

screw terminal connector.

This system ground connection must be attached to an

earth ground potential at the electrical box that supplies

power to the enclosure or cabinet in which the iQ Auto

system is installed.

The ground connection should comply with all of the re-

quirements specied by the National Electrical code and

any other local codes or ordinances that are applicable.

Chassis Grounding Stud

Proper grounding for the generator chassis is essential for

the effective suppression of electrical noise or RFI (Ra-

dio Frequency Interference). Every ultrasonic generator

contains a RFI lter that blocks noise on the AC power

line from entering the system control circuitry. This lter

also prevents ultrasonic frequency noise from being fed

back into the AC power line. For the RFI lter to operate

effectively, it is necessary to correctly ground the system.

The power line ground previously mentioned is manda-

tory.

Additionally, the included grounding wire must be con-

nected from the grounding stud connection (see Figure 3-

1) to the nearest grounded metal pipe or equivalent earth

ground.

This will improve the chassis ground connection and may

be needed in noisy industrial environments.

CAUTION

To minimize electrical noise

and eliminate ground cur-

rents, ground the chassis as

shown. Use a STAR congu-

ration (shown 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

Protective earth ground

connection wire color:

green or green with yellow

stripe.

NOTE

Chassis Grounding Stud

The chassis grounding stud is used to

attach a protective earth ground to the

generator. This helps suppress electrical

interference or radio frequency interfer-

ence (RFI) that is common in an industrial

environment. Stud location is shown in

Figure 3-1 on the following page.

CAUTION

If you have any questions

about the grounding of your

equipment and/or the electri-

cal box, contact a qualified

electrician.



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