NIVELCO BCV-141 User Manual
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bcv1410a0600h_05 - 1/2Thank you for choosing a NIVELCO instrument.We are convinced that you will be satisfied with our product!1. INTRODUCTIONThe NIMET BC capacitive proximity sensors are for industrial automation tasks for non-contact detection of metallic and non-metallic objects (water, plastic, stone, wood, etc.). The NIMET BC capacitive proximity sensors operate like an open capacitor.The dielectric of the capacitor is the air. If there is an object with a significantly different dielectric constant in the sensing area,the switch will change state. The material-dependent sensitivity can be set with the potentiometer. Devices with a DC powersupply have short-circuit protected PNP or NPN transistor outputs. Devices with an AC power supply have a thyristor-drivenoutput. Furthermore, there is a LED and a potentiometer on the backplate of the device. The LED shows the output state.2. TECHNICAL DATAG ENERAL D ATAType BCV– BCZ– BCV– BCZ–141 142 161 162 145 165Sensing distance 8 mm 15 mm 8 mm 15 mmMetal holder min. distance 10 mm 30 mmHysteresis Max 20 % of sensing distanceSupply voltage (operational) 12–24 VDC (10–30 VDC) 100–240 VC (85–264 VAC)Sensitivity adjustment With potentiometerMax. current consumption 15 mA 2.2 mAResidual voltage 1.5 V 20 VMax. response frequency 50 Hz 20 HzSetting distance 0–5.6 mm 0–0.5 mm 0–5.6 mm 0–10.5 mmOutput 30 VDC transistor 230 VACNPN PNP NPN PNP thyristorMaximum output load Resistive load: 200 mA, Inductive load: 100 mASensing distance temperature sensitivity ±10% max for sensing distance at +20°C, within the temperature range of −25°C…+70°CHousing 18 mm 30 mm 18 mm 30 mmHousing material Plastic Metal Plastic MetalConnection, 2 m cable with plasticinsulation 3 x 0.25 mm 2 2 x 0.25 mm 2Ambient temperature −25°C…+70°CElectrical protection Class III. Class II.Ingress protection IP66 IP65 IP66 IP65Weight ~72 g ~212 g ~63 g ~220 g2.1 Accessories User’s manual Warranty card EU declaration of conformity Two hex nuts for mounting2.2 O RDER CODE (N OT ALL COMBINATIONS ARE POSSIBLE !)NIMET B C – 1 –T YPE [Ø mm] C ODE S ENSING DISTANCE [mm] C ODE O UTPUT C ODE S UPPLY VOLTAGE C ODE18 V 8 (Ø18) 0 NPN / NO 1 230 V AC 130 2 15 (Ø30) 5 PNP / NO 2 10–30 V DC 4Thyristor / NO 52.3 D IMENSIONSBCV–14–BCZ–16–3. INSTALLATIONThe device must be mounted with the two hex nuts provided with it so that the distancebetween the device and the object to be detected is less than 70% of the sensing (switching)distance of the given device. Materials of sensing targets: Sensing distance may be different due to the electricalcharacteristics of the target (conductivity, non-dielectric constant) and its physicalproperties, like water absorption, size etc. High-frequency electric fields may cause malfunction, e. g., fields generated bywashing machines, etc. Surrounding environment: water or oil on the surface of the sensing part may cause amalfunction. If the sensing bottle is covered in oil etc., it may cause a malfunction.Especially in the case of the 15 mm version (BCZ–16–), which is highly sensitiveto certain objects and water droplets. Oil: Do not let the oil or other liquid flowed into the sensor or in the plastic case.3.1 MUTUAL INTERFERENCE & EFFECTS OF SURROUNDING METALLIC OBJECTSWhen several proximity sensors are mounted close to one another, the sensors maymalfunction due to mutual interference. Therefore, be sure to provide a minimum distancebetween sensors as per the chart below.Type BCV–14– BCZ–16–A [mm] 48 90B [mm] 54 90When sensors are mounted on a metallic panel, the sensors must be prevented from beingaffected by any metallic objects except the target. Therefore, be sure to provide a minimumdistance as per the chart below.Type BCV–14– BCZ–16–ℓ [mm] 20 10d [mm] 54 90m [mm] 24 45n [mm] 54 90 |
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