Electronic control with micotrpocessor
Control of inputs with protection against electric and electrostatic discharge
Input tests (RL) and (LMIN) with warning leds
Alternating pumps with a delay between the start of the two pumps
AUT/OFF/RESET push buttons for thermal protection
Non volatile memory
Warning leds for power-in, running motors, alarm, resistive level relay, security probes, overload and automatic operating modality
Electronic setting of level relay sensibility (2 - 20 kohm)
Electronic control of maximum current by means of TA
Electronic control of maximum current by means of TA
Different electronic setting of current for both motors (1 - 22A)
Different electronic setting of stop delay timer for both motors (0 - 120 sec.)
Programmable start delay time for motor 2 (0 - 20 sec.)
Electronic setting of start delay time for overload current (0 - 10 sec.) for both motors
Setting of level relay in filling / emptying working modality
Setting of level relay delay (0,1 - 2 sec.)
Possibility of using normal thermal relays controlled by means of microprocessor
Output alarm with relay 12A - 250V NO/C/NC
Input for low voltage external pressure controllers or level probes(5V)
Lowest current on inputs (< di 0,5 mA)
Galvanically insulated input for level relay
No-bouncing inputs controlled by software
Setting of fast start / stop of the motors
Sequential start / stop of motors (low current of start)
Protection with fuses for both motors
