Level control relay CDSU - Wiratama Mitra Abadi | Industrial Equipment

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30.12.20

Level control relay CDSU

Level control relay CDSU 

Level control relay CDSU

Level control relay CDSU | Dinel-Level and Flow Measurement

Level control relay CDSU are dual-channel units designed to evaluate the states of the conductive probes. They include power supply 5 V AC for supplying the probes. The DIP switches enable to select a basic mode (an independent function of two limit sensors) or the level control mode between the maximum and minimum level (pump control). The level control relay allows continuous sensitivity adjustment and time delay set up by trimmer.

Features

  • The function of pump control (Low-high level control) or independent 2-channel function
  • For connection of one or two probes
  • Continuous sensitivity adjustment and time delay set up
  • Optical state indication
  • Cases for wall mounting or for mounting on DIN rail 35mm

Function description

Basic mode – “LC” switch in OFF position

  • Activation of the probe connected to IN 1 input causes the closing of the output relay RE 1 terminal 14; 15 (CDSU–522) or 7; 6 (CDSU–522–W) is closed and shining LED indicator “OUT 1”.
  • Activation of the probe connected to IN 2 input causes the closing of the output relay RE 2 terminals 4; 3 (CDSU–522) or 10, 11 (CDSU–522–W) is closed and shining LED indicator “OUT 2”.

Pump-up function – “LC” switch in ON position

  • When the level drops below the probe connected to IN 1 (MIN) input, the output relay RE 1 terminal 14; 15 (CDSU–522) or 7; 6 (CDSU–522–W) are closed. The LED indicator “OUT 1” starts shining. This starts the active device (pump, valve, etc.) and the level goes up. When the level reaches the position of the probe connected to IN 2 (MAX) input, the output relay RE 1 terminal 14; 15 (CDSU–522) or 7; 6 (CDSU–522–W) are open. This stops the active device and the level goes down. LED indicator “OUT 1” darkens.

Pump-down function – “LC” switch in ON position

  • When the level drops below the probe connected to IN 2 (MAX) input, the output relay RE 1 terminal 14; 16 (CDSU–522) or 7; 8 (CDSU–522–W) is closed. LED indicator “OUT 1” darkens. This starts the active device (pump, valve, etc.) and the level goes down. When the level reaches the position of the probe connected to IN 1 (MIN) input, the output relay RE 1 terminal 14; 16 (CDSU–522) or 7; 8 (CDSU–522–W) is open. This stops the active device and the level goes up. The LED indicator “OUT 1” starts shining.

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Specifications

 CDSU – 522CDSU – 522 – W
Nominal supply voltage230 V AC / 50 Hz (± 10 %)230 V AC / 50 Hz (± 10 %)
Nominal power demand4 VA4 VA
Output voltage to supply probes5 V AC / 70 Hz5 V AC / 70 Hz
Output short circuit current0.2 mA0.2 mA
Max. duration of output short-circuitUnlimitedUnlimited
No. of connecting probes1 or 2 (+ common)1 or 2 (+ common)
No. of switching channels22
Input currents 0 ... 0.2 mA * 0 ... 0.2 mA *
Range of continuous sensitivity10 ... 250 kΩ10 ... 250 kΩ
Output delay1 s 0.5 ... 10 s
Contact rating
Max. load current2A2A
Max. switching voltage250 V250 V
Max. switching power500 VA500 VA
Max. switching frequency at maximum load360 / h360 / h
Contact life at maximum loadMin. 106 cyclesMin. 106 cycles
Ambient temperature range -20 ... +50°C -20 ... +50°C
Maximum / recommended conductor size 4 mm2 / 0.5 ... 1 mm22.5 mm2 / 0.14 ... 0.5 mm2
Protection class IP20IP65
Weight Approx. 0.2 kgApprox. 0.35 kg
* by adjusted sensitivity  

Ref: Dinel.cz

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