Rice Lake iRite 920i Manuel utilisateur
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
© Rice Lake Weighing Systems ●All Rights Reserved 2
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
© Rice Lake Weighing Systems ●All Rights Reserved 4
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.
© Rice Lake Weighing Systems Specifications subject to change without notice.
www.ricelake.com
PN 69988 Rev B
April 20, 2018
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