Rice Lake iRite 920i Manual de usuario
920i® Programmable HMI Indicator/Controller
Panel Mount Enclosure Installation
This document contains drawings, replacement parts lists and instructions for installing panel mount models of 920i 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 enclosure, ensure the power cord is disconnected from the
power outlet. Power outlet must be located near the product.
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.
IMPORTANT: Use a wrist strap for grounding and to protect components from electrostatic discharge (ESD) when working
inside the indicator enclosure.
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 69989 Rev CJanuary 5, 2023
920i Panel Mount Enclosure Installation
© Rice Lake Weighing Systems ● All Rights Reserved 2
Installation
Use the dimensions shown in Figure 1 on page 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 panel mount enclosure into the cutout from the front of the panel.
2. Slide the reinforcement plate on the enclosure from the inside of the panel.
3. Install the clinching bracket on the enclosure on the inside of the panel.
4. Secure the clinching bracket to the enclosure using the six 1/4" screws provided in the parts kit.
5. Use the nine 1 1/2" screws, provided in the parts kit, to secure the panel mount enclosure to the panel.
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)
Panel is located between the front bezel and the reinforcing plate (not shown).
The clinching bracket draws the front bezel against the front side of the
panel when screws are tightened, while pressing the
reinforcing plate against the backside of the panel.
Front Bezel
920i Panel Mount Enclosure Installation
3 Visit our website www.RiceLake.com
Grounding
Except for the power cord, all cables routed through 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 4. 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.
Stripping Cables
Foil Insulated Cable
Figure 5. 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 6. Braided Insulated Cable
1. Strip the insulation and braided shield from a point just past the grounding clamp.
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 just past the grounding clamp. Shield wire function is provided by contact between the cable shield and the
grounding clamp.
Grounding Clamp Stud
Grounding Clamp
Install lock washers first,
against enclosure, under
grounding clamp
Cabling Bar
Use cable ties to bind
cables to bar
Silver
side out
Shield wire (cut)
Cut insulation here
for foil shielded cables
Length of foil before
folding back on
cable insulation
Braid
Cut insulation here
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 Content subject to change without notice.
www.ricelake.com
920i Panel Mount Enclosure Installation
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 (PN 67887) for additional specifications.
Parts Kit Contents
Table 1 lists the contents of parts kit (PN 71428) for the panel mount version of the 920i.
Part No. Description Qty Part No. Description Qty
71095 Clinching bracket 1 53075 Cable shield ground clamp 5
87608 Reinforcement plate 1 15887 6-position terminal block 1
14626 KEP nut, 8-32NC Hex 5 70599 6-position screw terminal 1
15133 Lock washer, No. 8, Type A 5 71125 3-position screw terminal 1
15631 Cable tie, 3 in 4 71126 4-position screw terminal 1
54206 Machine screw, 6-32 x 3/8 4 77180 8-position screw terminal
71522 Machine screw, 8-32NC x 1/4 6 42350 Capacity label 1
82425 Machine screw, 10-32NF x 1-1/2 9 174928 NOM/NYCE label 1
Table 1. Parts Kit Contents
PN 69989 Rev CJanuary 5, 2023
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