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Installation
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5
2.4 Cable Connections
The 680HE provides four cord grips at the bottom of the enclosure for cabling into the indicator. One of the cord grips is used for
the power supply and the other three are used to accommodate the load cell cable and the serial, digital inputs and outputs,
Ethernet or the optional analog output communications cables. An RJ45 connector can also be added as an available option.
Cable plugs are included in the parts kit and must be installed in open cord grips to prevent moisture from entering the
enclosure. The optional RJ45 connector comes with a cap to seal the connector when not in use. See the following sections to
install cables as required for the application. The recommended cable strip length is 0.25'' (7 mm) for all 680HE connectors.
See
for the recommended assignments for the 680HE cord grips.
Only connect unit to equipment certified to IEC 60950, IEC 62368, IEC 61010 or similar.
Figure 2-4. Recommended Cord Grip Assignments
Do not have open/bare wires outside of the enclosure. Make sure no stripped portion of cable is on the outside
of the cord grips.
2.4.1 Torque Ratings
Refer to
throughout installation and the use of the product to maintain proper torque ratings for 680HE components.
For reference, it is recommended to tighten the cord grip dome nuts until the rubber insert starts to bulge.
Component
Torque Rating
Power Supply Screw
4 in-lb (0.5 N-m)
Ground Fastener Screw
12 in-lb (1.4 N-m)
Cord Grip Nut (to enclosure)
33 in-lb (3.7 N-m)
Cord Grip Dome Nut (around cable)
22 in-lb (2.5 N-m)
RJ45 Bulkhead (option)
20 in-lb (2.3 N-m)
Table 2-3. Component Torque Ratings
WARNING
Power cable
cord grip
RJ45 connector
(available option)
Load cell cable
cord grip
Communications
access cord grips
IMPORTANT
Note
Содержание Synergy 680HE
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