Vega VEGAPULS 69 Operating Instructions Manual

Also see for VEGAPULS 69: Operating instructions Mounting instructions Product information Quick setup guide Operating instructions

Contents

325 Connecting to the bus systemVEGAPULS 69 • Foundation Fieldbus47251-EN-180627In systems with potential equalisation, connect the cable screeningdirectly to ground potential at the power supply unit, in the connectionbox and at the sensor. The screen in the sensor must be connecteddirectly to the internal ground terminal. The ground terminal outsideon the housing must be connected to the potential equalisation (lowimpedance).5.2 ConnectingThe voltage supply and signal output are connected via the spring-loaded terminals in the housing.Connection to the display and adjustment module or to the interfaceadapter is carried out via contact pins in the housing.Information:The terminal block is pluggable and can be removed from theelectronics. To do this, lift the terminal block with a small screwdriverand pull it out. When reinserting the terminal block, you should hear itsnap in.Proceed as follows:1. Unscrew the housing lid2. If a display and adjustment module is installed, remove it by turn-ing it slightly to the left3. Loosen compression nut of the cable gland and remove blindplug4. Remove approx. 10 cm (4 in) of the cable mantle, strip approx.1 cm (0.4 in) of insulation from the ends of the individual wires5. Insert the cable into the sensor through the cable entry1 2Fig. 27: Connection steps 5 and 61 Single chamber housing2 Double chamber housing6. Insert the wire ends into the terminals according to the wiring planInformation:Solid cores as well as flexible cores with wire end sleeves are insert-ed directly into the terminal openings. In case of flexible cores withoutend sleeves, press the terminal from above with a small screwdriver,the terminal opening is then free. When the screwdriver is released,the terminal closes again.Connection technologyConnection procedure