Krohne OPTIFLEX 1300 C Level Meter Quickstart Guide ... - Instrumart

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3 ELECTRICAL CONNECTIONSOPTIFLEX 1300 C3.1 Safety instructionsDANGER!All work on the electrical connections may only be carried out with the power disconnected. Takenote of the voltage data on the nameplate!DANGER!Observe the national regulations for electrical installations!DANGER!For devices used in hazardous areas, additional safety notes apply; please refer to the Exdocumentation.WARNING!Observe without fail the local occupational health and safety regulations. Any work done on theelectrical components of the measuring device may only be carried out by properly trainedspecialists.INFORMATION!Look at the device nameplate to ensure that the device is delivered according to your order.Check for the correct supply voltage printed on the nameplate.3.2 Electrical installation: outputs 1 and 2Figure 3-1: Electrical installation1 Terminal compartment cover2 Output 1: current output -3 Output 1: current output +4 Grounding terminal in the housing5 Output 2: current output -6 Output 2: current output +7 Grounding terminal between the process connection and the converterOutput 1 energizes the device and is used for HART ® communication. If the device has thesecond current output option, use a separate power supply to energize output 2.30www.krohne.com09/2010 - 4000049805 - QS OPTIFLEX 1300 R08 en
OPTIFLEX 1300 CELECTRICAL CONNECTIONS 3Procedure:• Remove the housing terminal compartment cover 1.• Connect the wires to the device. Obey the national electrical codes.• Make sure that the polarity of the wires is correct.• Attach the ground to 4 or 7. Both terminals are technically equivalent.3.3 Electrical connection for current output3.3.1 Non-ExINFORMATION!If the polarity is not correct, this will not cause damage to the device. But the device will notoperate and the output will be 0 mA.3.3.2 Ex i3.3.3 Ex dFigure 3-2: Electrical connections for non-Ex devices1 Power supply2 Resistor for HART ® communication3 Output 1: 14...30 VDC for an output of 22 mA at the terminal4 Output 2: 10...30 VDC for an output of 22 mA at the terminalDANGER!For electrical data for Ex i applications, refer to the Ex supplements. You can find thisdocumentation on the CD-ROM delivered with the device or it can be downloaded free of chargefrom the website (Downloadcenter).DANGER!For electrical data for Ex d applications, refer to the Ex supplements. You can find thisdocumentation on the CD-ROM delivered with the device or it can be downloaded free of chargefrom the website (Downloadcenter).09/2010 - 4000049805 - QS OPTIFLEX 1300 R08 enwww.krohne.com31
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