CLD2ET1C115

Conductive Sensors 2-point level controller Type CL with teach-in • Conductive level controller • Teach-in of sensitivity – operating resistance from 220Ω to 220KΩ • For filling or emptying applications • Low-voltage AC electrodes • Easy installation on DIN rails or with 11 pin circular plug • Rated operational voltage: 24 VAC/DC, 115 VAC or 230 VAC • Output 2x5A/250 VAC DPDT relay • LED indication for: Calibration, faulty operation and relay status Product Description µ-Processor based level controller for liquids with a wide sensitivity range (like sewage water, chemicals, salt water etc.). Max./min. control of charging/ discharging. The sensitivity is adjustable by means of the teach-in function. 2 X 5A DPDT relay output. Ordering Key Type DIN rail mounting Inputs Function Adjustment Outputs Relay versions Power supply CLD2ET1CM24 Type Selection Mounting DIN-rail 11-p circular plug Relay DPDT Ordering no. Supply: 24 VAC/DC CLD2ET1CM24 CLP2ET1CM24 Ordering no. Supply: 115 VAC CLD2ET1C115 CLP2ET1C115 Ordering no. Supply: 230 VAC CLD2ET1C230 CLP2ET1C230 Specifications Rated operational voltage (UB) Pin 2 & 10 230 115 924 Rated insulation voltage Rated impulse withstand voltage Rated operational power AC supply AC/DC supply Delay on operate (tV) Outputs Rated insulation voltage Relay Rating (AgCdO) Resistive loads Dielectric voltage 195 to 265 VAC, 45 to 65 Hz 98 to 132 VAC, 45 to 65 Hz 19.2 to 28.8 VAC/DC 250’000 operations Max. 12 VAC Max. 2.5 mA 220Ω to 220KΩ Factory preset: 47KΩ Rated impulse withstand volt. Operating frequency (f) Relay output Response time Environment Overvoltage category Degree of protection Pollution degree Temperature Operating Storage Housing material Weight AC supply AC/DC supply Approvals CE marking >2.0 KVAC (rms) (contacts / electronics) 4 kV (1.2/50 µS) (contacts / electronics) (IEC 664) 1 HZ 1 s (3.5 s with filter) III (IEC 60664) IP 20 /IEC 60529, 60947-1) 2 (IEC 60664/60664A, 60947-1) -20º to +70ºC (-4º to + 158º) -50º to +85ºC (-58º to +185ºF) NORYL SE1, light grey 200 g 125 g UL508, CSA Yes Small induc. Loads Mechanical life (typical) Electrical life (typical) Level probe supply Level probe current Sensitivity AC1 DC1 or AC11 DC13 AC1 Specifications are subject to change without notice (08.12.2005) 1 CLD2ET1CM24 Mode of Operation Connection cable 2, 3, or 4 conductor PVC cable, normally screened. Cable length: max. 100 m. The resistance between the cores and the ground must be at least 220k. Normally, it is recommended to use a screened cable between probe and controller, e.g. where the cable is placed in parallel to the load cables (mains). The screen has to be connected to Y3 (reference). DIP-switch setting Select the needed function on the DIP-switches, so that the desirable application occurs. Press the pushbutton in front of the controller shortly, until the green LED flashes once. The DIPswitch setting will now be read by the controller. Teach-in: Make sure that the reference electrode and one of the other electrodes are in contact with the liquid – approximately 1 cm. Press the “teach” pushbutton at the front of the controller for approximately 2 seconds, until the green LED turns OFF. The controller will now auto-adjust itself according to the resistance of the measuring liquid. If the resistance of the liquid is outside the maximum range handled by the controller, the green LED will flash quickly for a period of 2 seconds, indicating a wrong teach-in. Filter The signal delay is selectable from 1 second or 3 seconds, and works for the on/off switching of the output relays. Example 1 The diagram shows the level control connected as max. and min. control. The relays react to the low alternating current created when the electrodes are in contact with the liquid. The reference (Ref) must be connected to the container or if the container consists of a non-conductive material, to an additional electrode. (To be connected to pin Y3). (In the diagram this electrode is shown by the dotted line). Example 1 (Din-rail) REF Y2 Lo Hi 12 14 A1 11 21 Y1 Y3 22 24 A2 Charging or discharging Power Supply Function: Charge or Discharge The Controller can be used as a minimum-maximum control for one system. ON DIP switches 1 1 2 2 ON Discharge Charge Filter off Filter on X-REFERENCE TERM Y1 Y2 Y3 22 A1 A2 11 12 14 21 24 PLUG 6 5 7 8 2 10 1 4 3 11 9 Charging Power supply LO electrode in liquid HI electrode in liquid Relay on pumping contact (make) Discharging Power supply HI electrode in liquid LO electrode in liquid Relay on pumping contact (make) Time 2 Specifications are subject to change without notice (08.12.2005) CLD2ET1CM24 Operating Schedule The following schedule provides an overview of the setup and failure situations Situation Condition Action Green Control lamp Read DIP-switch setting The DIP-switch setting has to match one of the descriptions written in ”mode of operation” Press the Teach-button in front of the controller shortly until the green control lamp turns off. Release the teach button immediately Teach button Green lamp Teach-in Fill the tank with the liquid to be measured until the second longest electrode is immersed approx. 1cm Press the Teach button in front of the controller for approx. 2 seconds until the green control lamp turn off continuously. Release the teach button Teach button Green lamp Failure indication The Green lamp is flashing fast for approx. 2 seconds after a teach-in operation Control the electrode for short-cut connections. Control that the resistance of the measured liquid is within the specified range Teach button Green lamp Wiring Diagram Din-rail version Plug version A1 12 14 22 24 2 4 3 8 9 Hi Lo Y2 Y1 Y3 (PE) Hi Lo A2 5 6 7 (PE) 11 21 10 1 11 Ref Ref Dip Switch Settings ON DIP switches 1 1 2 2 ON Discharge Charge Filter off Filter on Specifications are subject to change without notice (08.12.2005) 3 CLD2ET1CM24 Dimension Drawings Din-rail version Plug version 45 41,5 60,2 81 35,5 35,5 Accessories • 11 pole corcular socket • Mounting rack ZVD11 SM13 Delivery Contents • Amplifier • Packaging: Carton box • Manual 4 Specifications are subject to change without notice (08.12.2005) 21 63