Conductive Sensors 2-point Level Controller, Cascade Coupling Type CL with Potentiometer Conductive level controller Adjustment sensitivity operating resistance from 250 to 500 K For filling or emptying applications Low-voltage AC electrodes Easy installation with 11 pin circular plug Rated operational voltage: 24 VAC/DC, 115 VAC or 230 VAC Output 8A/250 VAC SPDT relay LED indication for: Output ON, Power ON Possibility of serial connection Product Descrip tion Ordering Key CLP2FA1BM24 Level control relay for con- mens to 2 siemens. Type ductive liquids which can If more than two levels are DIN rail mounting control two levels of filling or required more systems can Inputs emptying. be added. Function The relay features a sensitiv- Adjustment ity range from 250 to 500k Outputs corresponding to 4m sie- Relay versions Power supply Type Selection Mounting Ordering no. Ordering no. Ordering no. Supply: 24 VAC/DC Supply: 115 VAC Supply: 230 VAC 11-p circular plug CLP2FA1BM24 CLP2FA1B115 CLP2FA1B230 Specifications Rated operational voltage (U ) Ranges S (Standard sensitivity) 5K to 100K, C * = 2.2 nF B F Pin 2 & 10 230 195 to 265 VAC, 45 to 65 Hz Ranges H (High sensitivity) 50K to 500K, C * = 1.0 nF F 115 98 to 132 VAC, 45 to 65 Hz Dielectric voltage >2.0 KVAC (rms) Supply class 2 24 19.2 to 28.8 VAC/DC (contacts / electronics) Rated insulation voltage <2.0 kVAC (rms) Rated impulse withstand volt. 4 kV (1.2/50 S) (contacts / Rated impulse withstand electronics) (IEC 664) voltage 4 kV (1.2/50 s) (line/neutral) Operating frequency (f) Rated operational power Relay output 0.5 HZ AC supply 5 VA AC/DC supply 5 VA / 5 W Response time Delay on operate (t ) < 300 mS V OFF-ON (t ) 1 s on Outputs ON-OFF (t ) 1 s off Rated insulation voltage 250 VAC (rms) (cont./elec.) Environment Relay Rating (AgCdO) (micro gap) Overvoltage category III (IEC 60664) Resistive loads AC1 8 A / 250 VAC (2500 VA) Degree of protection IP 20 (IEC 60529, 60947-1) DC1 1 A / 250 VDC (250 W) Pollution degree 2 (IEC 60664/60664A, or 10 A / 25 VDC (250 W) 60947-1) Small induc. Loads AC15 0,4 A250 VAC Temperature DC13 0,4 A / 30 VDC Operating -20 to +50C (-4 to + 122) 6 Mechanical life (typical) 30 x 10 operations Storage -50 to +85C (-58 to +185F) 18000 imp/h Housing material Noryl PPO, light grey Electrical life (typical) AC1 > 250000 operations Weight Level probe supply Max. 5 VAC AC supply 200 g Level probe current Max. 2 mA AC/DC supply 125 g Sensitivity 250 to 500K Approvals Factory settings standard UL cURus UL508 range S 100K CSA CSA-C22.2 No.247 Ranges L (Low sensitivity) 250 to 5K, C * = 4.7 nF F CE marking Yes *CF = maximum Cable Capacitance Specifications are subject to change without notice (05.06.2014) 1 CLP2FA1BM24 Mode of Operation Connection cable troller, the slave controllers Example 1 or if the container consists 2 or 3 conductor PVC cable, (see drawing). Pin 11 of the The diagram shows the level of a non-conductive mater- normally screened. Cable slave controller must be left control connected as max. ial, to an additional electrode. length: max. 100 m. The open Pin 9 of the first slave and min. control. The relay (To be connected to pin 7). resistance between the must be connected to pin 8 react to the low alternating (In the diagram this electrode cores and the ground must of the second. Pin 9 of the current created when the is shown by the dotted line).. be at least 500k. Normally, last slave should be con- electrodes are in contact it is recommended to use nected to pin 8 of Master. with the liquid. NB a screened cable between The connections must be If only one level detection is probe and controller, e.g. made by screened cable The reference (Ref) must be required - interconnect the where the cable is placed to achieve optimal oper- connected to the container two inputs 5 and 6. in parallel to the load cables ation, e.g. in cable pits or (mains). The screen has to be trays where the cable connected to pin 7 (refer- is close to power ence). cables. Connect the If only one amplier (no slave ampliers) - interconnect screen to pin 7, and terminal 7 and 11. Cascade be sure that the dis- (PE) If more than 2 levels are tance between two required, up to 7 amplifiers systems is max 3m. 8 9 4 7 2 3 can be cascaded, as shown Adjust the connected 6 in the example below. system sensitivity and 5 Connect pin 11 of the mas- the systems are ready ter controller to ground and to work. 11 10 1 pin 9 of the master control- Master (GND) ler to pin 8 of the next con- Slave (Not connected) Operation Diagram Filling and Emptying one common tank (PE) (PE) 7 8 9 7 8 9 6 6 5 5 11 11 System A, Filling System B, Emptying Master Slave Time Filling and Emptying one common tank Power supply ON Level System A System B Filling Emptying 5A HHH H 6A SSSS 5B 6B LLLL 7 Fill Empty Fill Empty Relay B ON (1-3) Relay A ON (1-3) 2 Specifications are subject to change without notice (05.06.2014) Sync. in Sync. out REF Ref Lo Hi Sync. in Sync. out Sync. in Sync. out