Vega VEGAWAVE 63 Operating Instructions Manual

Also see for VEGAWAVE 63: Operating instructions Operating instructions Operating instructions Operating instructions Operating instructions

Vega VEGAWAVE 63 Operating Instructions Manual Manual pdf 16 page image

5 Connecting to voltage supply5.1 Preparing the connectionGenerally note the following safety instructions:l Connect only in the complete absence of line voltageIn hazardous areas you should take note of the appropriateregulations, conformity and type approval certificates of thesensors and power supply units.Connect the power supply according to the following diagrams.Take note of the general installation regulations. As a rule,connect VEGAWAVE 63 to vessel ground (PA), or in case ofplastic vessels, to the next ground potential. On the side of theinstrument housing there is a ground terminal between thecable entries. This connection serves to drain off electrostaticcharges. In Ex applications, the installation regulations forhazardous areas must be given priority.The data for power supply are stated in chapter "Technicaldata" in the "Supplement".VEGAWAVE 63 is connected with standard cable with roundcross-section. An outer cable diameter of 5 … 9 mm(0.2 … 0.35 in) ensures the seal effect of the cable entry.If cable with a different diameter or wire cross section is used,exchange the seal or use an appropriate cable connection.In hazardous areas, only use approved cable connections forVEGAWAVE 63.Take note of the corresponding installation regulations for Exapplications.5.2 Connection procedureWith Ex instruments, the housing cover may only be opened ifthere is no explosive atmosphere present.Proceed as follows:1 Unscrew the housing cover2 Loosen compression nut of the cable entryNote safety instructionsTake note of safetyinstructions for ExapplicationsSelect power supplySelecting connection cableSelect connectioncable for Ex applica-tions16 VEGAWAVE 63 - - NAMURConnecting to voltage supply32259-EN-070117