Rice Lake IRite 920i Manuale utente

920i®Programmable HMI Indicator/Controller

Panel Mount Enclosure Installation

This document contains drawings, replacementparts lists and instructions for installing panel mount models of920i indicators.

See the 920i Installation Manual, PN 67887, for general installation, configuration and calibration information.

WARNING

The 920i has no on/off switch. Before opening the unit, ensure the power cord is disconnected from the power

outlet.

Use a wrist strap for grounding and to protect components from electrostatic discharge (ESD) when working

inside the indicator enclosure.

This unit uses double pole/neutral fusing which could create an electric shock hazard. Procedures requiring

work inside the indicator must be performed by qualified service personnel only.

Figure 1. Panel Cutout for Panel Mount Enclosure

8.02"

9.16"

11.56"

10.51"

Illustration is not to scale, dimensions

are for reference only. Interior Housing

(Dotted Line)

Panel Cutout

(Dashed Line)

Outer Perimeter of

Exterior Faceplate

(Solid Line)

PN 69988 Rev B

April 20, 2018

920i Programmable HMI Indicator/Controller Panel Mount Enclosure

Installation

Use the dimensions shown in Figure 1 to lay out the panel cutout for the panel mount enclosure. See Figure 2 for enclosure

dimensions.

Figure 2. Panel Mount Enclosure Dimensions

Once the cutout has been prepared:

1. Insert the enclosure into the cutout from the front of the panel.

2. Install the reinforcing plate on the enclosure from the inside of the panel.

3. Install the clinching bracket on the enclosure from inside the panel.

4. Secure the bracket to the enclosure using the six 1/4" screws provided in the parts kit (PN 71522).

5. Use the nine 1 1/2" screws (PN 82425) to secure the clinching bracket to the panel door.

Figure 3. Clinching Bracket Assembly

9.16 7.95

11.56

10.38

5.96

5.91

5.16

0.69

Clinching Bracket

Reinforcing Plate

1/4" screws

(PN 71522)

1 1/2" screws

(PN 82425)

920i Programmable HMI Indicator/Controller Panel Mount Enclosure

3 Visit our website www.RiceLake.com

Figure 4. Panel Mount Enclosure

Grounding

Except for the power cord, all cables routedthrough the cord grips should be grounded against the indicator enclosure.

1. Install the ground clamps on the grounding bar, using the ground clamp screws. Do not tighten the screws at this time.

2. Route cables under cabling bar and through the cord grips and the grounding clamps to determine the cable lengths

required to reach the cable connectors.

Figure 5. Cable Installation with Grounding Clamp

3. Mark the cables to remove insulation and shield. See Stripping Cables on next page.

4. Route stripped cables through the cord grips and grounding clamps.

5. Ensure the shields contact the grounding clamps and tighten the ground clamp screws.

Panel is located between the front bezel and

the reinforcing plate (not shown). The clinch

bracket draws the front bezel against the panel

when screws are tightened.

Clinch Bracket

Grounding Clamp Stud

Grounding Clamp 

Install lock washers first,

against enclosure, under

grounding clamp

Cabling Bar 

Use cable ties to bind

cables to bar

920i Programmable HMI Indicator/Controller Panel Mount Enclosure

Stripping Cables

Foil Insulated Cable

Figure 6. Foil Insulated Cable

1. Strip the insulation and foil from the cable 1/2(15 mm) past the grounding clamp.

2. Fold the foil shield back on the cable where the cable passes through the clamp.

3. Ensure the silver (conductive) side of the foil is turned outward for contact with the grounding clamp.

Braided Shielding

Figure 7. Braided Insulated Cable

1. Strip the insulation and braided shield from a point just past the groundingclamp.

2. Strip another 1/2(15 mm) of the insulation to expose the braid where the cable passes through the clamp.

Load Cell Cables

Cut the shield wire justpast the grounding clamp. Shield wire function is provided by contact between the cable shield and the

grounding clamp.

Length of foil before

folding back on cable

insulation

Shield wire (cut) Silver side out

Cut insulation here

Braid

Cut insulation here

920i Programmable HMI Indicator/Controller Panel Mount Enclosure

5 Visit our website www.RiceLake.com

Power Specifications

Line Voltages 115 or 230 VAC

Frequency 50 or 60 Hz

Maximum Power

Consumption 65W on secondary

Primary power consumption:100W TRMS

Constant current:1.5 A TRMS (115VAC);

1.0 A TRMS (230VAC)

Fusing

115 VAC and 230 VAC North American

2 x 3.15A TR5 sub-miniature fuses

Wickmann Time-Lag 19374 Series

UL Listed, CSA Certified and Approved

230 VAC European 2 x 3.15A TR5 sub-miniature fuses

Wickmann Time-Lag 19372 Series

UL Recognized, Semko and VDE Approved

See the 920i installation manual for additional specifications.

Parts Kit Contents

Table 1-1 lists the parts kit contents for the panel mount version of the 920i.

Table 1-1. Parts Kit Contents

Part No. Description Qty

14626 Kep nuts, 8-32NC 5

54206 Machine screws, 6-32 x 3/8 2

15133 Lock washers, No. 8, Type A 5

71522 Machine screws, 8-32NC x 1/4 6

82425 Machine screws, 10-32NF x 1-1/2 9

15631 Cable ties 4

53075 Cable shield ground clamps 5

42350 Capacity label 1

71095 Clinching bracket 1

15887 6-position screw terminal for load cell connection 1

70599 6-position screw terminals for J2 and J10 2

71126 4-position screw terminal for J9 and optional keyboard connection 2

71125 3-position screw terminal for J11 1

230 W. Coleman St. • Rice Lake, WI 54868 • USA

U.S. 800-472-6703 • Canada/Mexico 800-321-6703 • International 715-234-9171 • Europe +31 (0)26 472 1319

Rice Lake Weighing Systems is an ISO 9001 registered company.

www.ricelake.com

PN 69988 Rev B

April 20, 2018

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