Vega VEGAPULS 67 Product Information
Also see for VEGAPULS 67: Safety manualOperating instructionsOperating instructionsOperating instructionsQuick setup guide
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Contents
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14Electronics - Foundation FieldbusRadar - Level measurement in bulk solids29427-EN-16031210 Electronics - Foundation FieldbusConfiguration of the electronicsThe plug-in electronics is mounted in the electronics compartment of theinstrument and can be exchanged by the user when servicing is required.The electronics is completely encapsulated to protect against vibrationand moisture.The terminals for voltage supply as well as the plug with I²C interface forparameter adjustment are located on the upper side of the electronics. Inthe double-chamber housing, these connection elements are located inthe separate terminal compartment.Voltage supplyPower supply via the H1 Fieldbus cable.Specifications of the voltage supply:• Operating voltage– 9 … 32 V DC• max. number of sensors– 32Connection cableConnection is carried out with screened cable according to Fieldbusspecification.Make sure that the entire installation is carried out according to the Field-bus specification. In particular, make sure that the bus is terminated withsuitable terminating resistors.Cable screening and groundingIn systems with potential equalisation, connect the cable screen directlyto ground potential at the power supply unit, in the connection box andat the sensor. The screen in the sensor must be connected directly tothe internal ground terminal. The ground terminal outside on the housingmust be connected to the potential equalisation (low impedance).In systems without potential equalisation, connect the cable screen di-rectly to ground potential on the power supply unit and the sensor. In theconnection box or T-distributor, the screen of the short stub to the sensormay not be connected to ground potential or to another cable screen.ConnectionSingle chamber housing1 2( ) (-)150 1 0 1+ 6 7 8Bus2345Fig. 25: Electronics and terminal compartment, single chamber housing1 Voltage supply/Signal output2 Contact pins for the display and adjustment module or interface adapter3 Selection switch for bus address4 For external display and adjustment unit5 Ground terminal for connection of the cable screenDouble chamber housingBus51 2+( ) (-) 6 7 82341Fig. 26: Terminal compartment, double chamber housing1 Voltage supply, signal output2 For display and adjustment module or interface adapter3 For external display and adjustment unit4 Ground terminal for connection of the cable screen |
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