Excell Precision SP151 manual

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- informations concerning technical data of Excell Precision SP151
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- safety signs and mark certificates which confirm compatibility with appropriate standards

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Table of contents for the manual

  • Page 1

    W W e e i i g g h h i i n n g g S S y y s s t t e e m m S S u u r r g g e e p p r r o o t t e e c c t t o o r r U U s s e e r r M M a a n n u u a a l l SP151 © Excell Precisio n Limited 2012. All rights reserved Worldwide. The information co ntained herein is the pr operty of Excell Precis ion Limited and is supplie d without liabilit y for errors[...]

  • Page 2

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  • Page 3

    ZSME00000001 6 1 EX CELL PRE CISI ON CO ., L TD SP151 W eighing System Surge P rotector The high performa nce surge protector de vice applies t o 4- or 6- wire load cell weighing system s or other rel ated applicat ions. 1. General SP151 Surge Protector is designed for a ccessing direct into the cabling of the weighing system, in order to prevent t[...]

  • Page 4

    ZSME00000001 6 2 EX CELL PRE CISI ON CO ., L TD Figure 1 Figure 2 Juction Box SP151 Local S tructur al earth bond Connection to weight cabin Load Cell Load Cell Load Cell Load Cell SP151 SP151 SP151 SP151 Load Cell Load Cell Load Cell Load Cell[...]

  • Page 5

    ZSME00000001 6 3 EX CELL PRE CISI ON CO ., L TD 2.2 Securing ◄ SP151 should be mo unted vertically , an d the cable should be conne cted up sid e down to avoid water from seepage.[...]

  • Page 6

    ZSME00000001 6 4 EX CELL PRE CISI ON CO ., L TD ▼ SP151 sealing ring has 4 mounting ho les w ith ce nter to center spacing of 1 13.5 × 1 13.5 mm. Using M4x16 or M4x20 rou nd head screw to secure the Surge Protector box onto the mounting surface. Using M4x 16 or M4x20 round head screw to secure the Surge Protector box onto the mountin g surface.[...]

  • Page 7

    ZSME00000001 6 5 EX CELL PRE CISI ON CO ., L TD The screw diameter is 4mm, and 7mm fo r the head diameter (M4 screws minimum length is 16mm). The st ainless steel screws are recommende d to use for securing purpose. Cables within 200mm from SP151 should be supported and fixed to prevent the cable connector from unable to suppo rt the weig ht of the[...]

  • Page 8

    ZSME00000001 6 6 EX CELL PRE CISI ON CO ., L TD 2.3 Groundin g Properly grounding can only elaborate the perf ormance of a surge protector . T o select the welding point by referring to the local voltage, all the welding points will share the common-mode voltage to the ground. The welding point is connected to the local ground network or ground rod[...]

  • Page 9

    ZSME00000001 6 7 EX CELL PRE CISI ON CO ., L TD 2.4 Connectio ns T wo terminals are provided, labeled "Field cable” a nd “Instrument cable”. Field cable is the independent, exposed cable between the weighbridge and weighing cabin. Instrument or load cell cable is a locally short connect ion, such as from SP151 to the junction box, indepe[...]

  • Page 10

    ZSME00000001 6 8 EX CELL PRE CISI ON CO ., L TD 3. Maintenance Note: For certified systems, you must confirm tha t the system can be re-calibrated. Before tearing off the seal for maintenance, a new calibration seal is required for replacing after the maintenance. Processing the maintenance every the other year . (h igher repair and maintenance fre[...]