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A. making connections to the indicator, A.1 load cell connections – Ohaus CKW WASHDOWN CHECKWEIGHING SCALES_INDICATOR Manual en User Manual

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CKW-55 CHECKWEIGHER

APPENDIX A

EN-53

A. MAKING CONNECTIONS TO THE INDICATOR

The CKW-55 Indicator housing contains 4 liquid-tight connectors at the bottom for external cabling. Figure A-1 illustrates the
locations of the liquid tight connectors.

Figure A-1. Cable Entry Identification.

CAUTION: ELECTRICAL SHOCK HAZARD. REMOVE ALL POWER CONNECTIONS TO
THE INDICATOR BEFORE SERVICING OR MAKING INTERNAL CONNECTIONS.

THE HOUSING SHOULD ONLY BE OPENED BY AUTHORIZED AND QUALIFIED PERSONNEL,
SUCH AS AN ELECTRICAL TECHNICIAN.

Unfasten the four side screws of the indicator housing. Pull the front cover forward. Pass the load cell cable through the
liquid-tight connector at the bottom and center of the housing. Pass the cable through the large ferrite bead that is attached
to the internal plastic clip.

Figure A-2. Printed Circuit Board Connections.

..

..

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I/O

LOAD
CELL

I/O

AC POWER

A.1 LOAD CELL CONNECTIONS

Figure A-2 illustrates the locations of the printed circuit board connections.