MODE OF OPERATION The device can be programmed for max or min set point. At the start up of the machine, the eventual spike of current is bypassed by the timer TC. During normal operation the set point triggers after the delay time T. SETTING Fix the set point on the requested value. Fix the time T for avoiding wrong alarms during normal operation. When it is required to control a signal coming from a static transducer, the presence of the TC may be required. If it is required to convert the current of a motor, when the motor starts up the voltage coming from the transducer presents a “spike” given by the motor start up.TC prevents the alarm condition during the whole spike period. POSITIVE SAFETY The internal relay is normally ON and it goes OFF when the set point is overcome. INSULATION Galvanic separation it is given by the supply transformer. ELECTRICAL WIRINGS Electric wirings are as per fig. 3 and 4. (Wiring to an electrical board with a differential relay and a sectionalizing switch). The length of every wiring must be less than 30m. INPUT AD 05 : Direct insertion (fig. 3) Pin 3- 5 (+ on 5) AD 05-S: External shunt 60mV (fig. 4) OUTPUT: 5A 230Vac resistive load 7-6 NC Device not supplied 7-8 NO or in alarm SUPPLY 2VA - 50-60Hz ±10% 1-11: 115 Vac or 230Vac or 24Vac. SIZE: 48x96x90 mm - undecal male base. Accessories available on request: E 171 : hooks for flush mounting; E 172 : undecal female base for DIN; M 13A: plexiglas protection IP 54-tight closure (for flush mounting); E 346: hold wire protecting from vibrations Template: 45x92 mm. WORKING TEMPERATURE: 0÷70°C WEIGHT: Kg 0,220 COLOUR: black

FUNCTION This unit is designed to monitor the direct voltage of a line or of a logic. USE It is used to monitor the DC current of a machine or for fixing a set point for a current correspondent to a physical value. TYPICAL APPLICATION: a set point for the output of a static transducer.

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