REGULATIONS AND GENERAL FEATURES (fig. 4,5) SP1 Max set point, adjustable by means of screwdriver. The scale is divided in 10 parts. The value of each part corresponds to 1/10 of the full scale FS. SP2 Set point adjustable by screwdriver as max or min power set point. The scale is divided in 10 parts. The value of each part corresponds to 1/10 of the full scale FS. When the SLIDER m/M-DS2 is “UP” (Fig. 1) the SP2 is MAX set point. When the SLIDER is “DOWN” the SP2 is min. set point (in that case, with the slider A/Ⱥ the condition V=0 is selected as “ALARM” (UP POSITION) or “NO ALARM” (DOWN POSITION), fig. 5/1 and 5/2). The minimum value which can be set is 1/10 of the full scale. TC Initial timer adjustable by screwdriver on the front (0,1÷10 sec) excluding set point triggerings at the start, for covering an eventual initial spike. It covers both the sets points. The timer is activated when the voltage overcomes the internal set point Vm (Vm corresponds to 1/10 of the range. Ex.: VFS=100V, Vm=10V). T1 Timer delaying the internal relay associated to the set point SP1 (0,1÷10 sec). T2 Timer like T1 for the set point SP2 MODE OF OPERATION When the voltage is applied at the input, the timer TC bypasses the eventual spike. After the end of TC, each set point triggers after the delay time T1 and T2. INPUTS Voltage pins: 19-17. Input Resistance = 5 kW/V. OUTPUT RELAY 5A(NO) 3A(NC)-230 Vac resistive load R1 9-10 NO 9-8 NC Device not supplied R2 5-6 NO or in alarm 5-4 NC SUPPLY: (single voltage) 2VA 50-60 Hz - tolerance ±10% 13-12: 24Vac or 48Vac or 115Vac or 230 Vac CASE 70x75x110 mm for DIN rail. WORKING TEMPERATURE: 0÷70°C WEIGHT: Kg 0,300 COLOUR: grey, similar to RAL 35.

For alternating voltages 10V÷500Vac. Second set point programmable as min or max set point. REMARK: it can replace the relay E 424 (only alternating voltage) and V1-01N. FUNCTION The device controls an alternating voltage at the input, by two set points: one max set point and the second can be set as min or max set point. USE The device controls the alternating voltage at the input.

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