Labkotec SandSET-1000 12 VDC Installation And Operating Instructions Manual
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SandSET-1000 12 VDC Sludge Alarm Device D15649_E-2Installation and Operating InstructionsCopyright © 2019 Labkotec Oy 10/13 We reserve the right for changes without notice7 TECHNICAL DATASandSET-1000 12 VDC control unitDimensions 175 mm x 125 mm x 75 mm (L x H x D)Enclosure IP 65, material polycarbonateAmbient temperature -25 ºC…+50 ºCSupply voltage 11-17 VDCFuse 5 x 20 mm 315 mAT (IEC/EN60127-2/3)The device is not equipped with a mainsswitchPower consumption Max. 1,2 VA.Typical (no alarms) 0.9. VA.Sensors One Labkotec SET sensor (SET/S2)Max. resistance of thecurrent loop between thecontrol unit and a sensor75 Ω.Relay outputs Two potential-free relay outputs250 V, 5 A, 100 VAOperational delay 5 sec or 30 sec.Relays de-energize at trigger point.Operation mode selectable for increasingor decreasing level.Electrical safety IEC/EN 61010-1, Class II , CAT II /IIIInsulation levelSensor / Mains supplyvoltage375V (IEC/EN 60079-1)EMCEmissionImmunityIEC/EN 61000-6-3IEC/EN 61000-6-2Ex-classificationSpecial conditions (X)ATEXIECExII (1) G [Ex ia] IIC(Ta = -25 C…+50 C)VTT 04 ATEX 031XIECEx VTT 10.0003XElectrical parametersCharacteristic curve of theoutput voltage is trapezoidalSee table 2.Um = 23 V Uo = 14,7 VIo = 55 mA Po = 297 mWR = 404 ΩManufacturing year:Please see the serial numberon the type platexxx x xxxxx xx YY xwhere YY = manufacturing year(e.g. 19 = 2019)Due to non-linear characteristics of the sensor voltage, the interaction ofboth, capacitance and inductance, must be taken into account. Thetable below indicates the connecting values in explosion groups IIC andIIB. In explosion group IIA the values of the group IIB can be applied.Max. permissible value Combined Co and LoCo Lo Co LoII C 608nF 10 mH568nF458 nF388 nF328 nF258 nF0,15 mH0,5 mH1,0 mH2,0 mH5,0 mHII B 3,84μF 30 mH3,5 μF3,1 μF2,4 μF1,9 μF1,6 μF0,15 mH0,5 mH1,0 mH2,0 mH5,0 mHLo/Ro = 116,5 μH/Ω (IIC) and 466 μH/Ω (IIB)Table 2. SandSET-1000 12 VDC electrical parametersSET/S2 sensorPrinciple of operation UltrasonicEnclosure IP68Materials: PP, PVC, AISI 304, AISI 316and NBR rubberAmbient temperature 0 ºC…+60 ºCSupply voltage Approx. 12 VDC from SET control unitCable Fixed oil resistant PVC cable 3 x 0,5 mm2,standard length 5 m.Weight Approx. 450 gEMCEmissionImmunityIEC/EN 61000-6-3IEC/EN 61000-6-2Ex-classificationATEXIECExII 1 G Ex ia IIB T5 GaVTT 07 ATEX 0051XIECEx VTT 10.0002XElectrical parameters Ui = 16 V Ii = 80 mAPi = 320 mW Ci = 3 nFLi = 80 μHManufacturing year:Please see the serialnumber on the type platexxx x xxxxx xx YY xwhere YY = manufacturing year(e.g. 19 = 2019)Special conditions concerning Ex-classification (X):- Ambient temperature -25 ºC…+60 ºC- Shielded sensor cable and extra wires shall be connected toequipotential ground- If sensor cable have to be extended, please use LJB2-78-83 orLJB3-78-83 junction box. The junction box shall also beconnected to equipotential ground.Figure 9. Dimensional drawing of SET/S2 sensor |
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