specifications are subject to change without notice (08.12.2005) 1 mounting relay ordering no. ordering no. ordering no. supply: 24 vac/dc supply: 115 vac supply: 230 vac din-rail dpdt cld2et1cm24 CLD2ET1C115 cld2et1c230 11-p circular plug clp2et1cm24 clp2et1c115 clp2et1c230 conductive sensors 2-point level controller type cl with teach-in ? conductive level controller ? teach-in of sensitivity ?operating resistance from 220 to 220k ? 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 ordering key product description max./min. control of charging/ discharging. the sensitivity is adjustable by means of the teach-in function. 2 x 5a dpdt relay output. type din rail mounting inputs function adjustment outputs relay versions power supply ?processor based level controller for liquids with a wide sensitivity range (like sewage water, chemicals, salt water etc.). type selection specifications rated operational voltage (u b ) pin 2 & 10 230 195 to 265 vac, 45 to 65 hz 115 98 to 132 vac, 45 to 65 hz 924 19.2 to 28.8 vac/dc rated insulation voltage <2.0 kvac (rms) rated impulse withstand voltage 4 kv (1.2/50 ?) (line/neutral) rated operational power ac supply 5 va ac/dc supply 5 va / 5 w delay on operate (t v ) < 300 ms outputs rated insulation voltage 250 vac (rms) (cont./elec.) relay rating (agcdo) (micro gap) resistive loads ac1 5 a / 250 vac (2500 va) dc1 1 a / 250 vdc (250 w) or 5 a 25 vdc (250 w) small induc. loads ac11 0,4 a 250 vac dc13 0,4 a / 30 vdc mechanical life (typical) 30 x 106 operations @ 18?00 imp/h electrical life (typical) ac1 > 250?00 operations level probe supply max. 12 vac level probe current max. 2.5 ma sensitivity 220 to 220k factory preset: 47k dielectric voltage >2.0 kvac (rms) (contacts / electronics) rated impulse withstand volt. 4 kv (1.2/50 ?) (contacts / electronics) (iec 664) operating frequency (f) relay output 1 hz response time 1 s (3.5 s with filter) environment overvoltage category iii (iec 60664) degree of protection ip 20 /iec 60529, 60947-1) pollution degree 2 (iec 60664/60664a, 60947-1) temperature operating -20?to +70? (-4?to + 158? storage -50?to +85? (-58?to +185?) housing material noryl se1, light grey weight ac supply 200 g ac/dc supply 125 g approvals ul508, csa ce marking ye s cld2et1cm24
2 specifications are subject to change without notice (08.12.2005) 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 push- button in front of the con- troller shortly, until the green led flashes once. the dip- switch setting will now be read by the controller. teach-in: make sure that the reference electrode and one of the other electrodes are in con- tact with the liquid approximately 1 cm. press the ?each?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. mode of operation cld2et1cm24 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). function: charge or discharge the controller can be used as a minimum-maximum control for one system. y2 y1 y3 ref lo hi power supply charging or discharging 12 14 a1 11 21 24 a2 22 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 x-reference term plug y1 6 y2 5 y3 7 22 8 a1 2 a2 10 11 1 12 4 14 3 21 11 24 9 example 1 (din-rail) dip switches on 1 discharge 1 charge 2 filter off 2 filter on on
specifications are subject to change without notice (08.12.2005) 3 dip switches on 1 discharge 1 charge 2 filter off 2 filter on on dip switch settings operating schedule situation read dip-switch setting teach-in failure indication the following schedule provides an overview of the setup and failure situations condition the dip-switch setting has to match one of the descriptions written in ?ode of operation fill the tank with the liquid to be measured until the second longest electrode is immersed approx. 1cm the green lamp is flashing fast for approx. 2 seconds after a teach-in operation action press the teach-button in front of the controller shortly until the green control lamp turns off. release the teach button immediately 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 control the electrode for short-cut connections. control that the resistance of the measured liquid is within the specified range green control lamp teach button green lamp teach button green lamp teach button green lamp cld2et1cm24 wiring diagram (pe) ( p e ) a1 a2 21 24 12 11 14 y1 y2 y3 lo hi ref 22 (pe) ( p e ) 2 10 11 9 1 3 6 5 7 lo hi ref 4 8 plug version din-rail version
4 specifications are subject to change without notice (08.12.2005) accessories delivery contents ?11 pole corcular socket zvd11 ?mounting rack sm13 ?amplifier ?packaging: carton box ?manual cld2et1cm24 dimension drawings din-rail version plug version 60,2 41,5 81 35,5 45 21 63 35,5
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