EC/AC centrifugal fans RadiCal

Electrical connections ECM5)Technical features:• PFC (passive)• integrated PID controller• Control input 0-10 VDC / PWM• External release input• External 24 V input (programming)• Output 10 VDC max. 10 mA• Operation and alarm display• RS485 MODBUS-RTU• Motor current limitation• Alarm relay• Line undervoltage / phase failure detection• Over-temperature protected electronics / motor• Reverse polarity and locked-rotor protection• Soft start• Control interface with SELV potential safely disconnected from the mainsKL25 6 7 8KL1RS ARS BGNDCPEL1L2L3Din1+10 VAin1 UNC1 2 3 4 1 2 3Connector Pin Connection Assignment / functionKL1 1 L1 Mains supply connection, supply voltage 3~380-480 VAC; 50/60 Hz23L2L3Mains supply connection, supply voltage 3~380-480 VAC; 50/60 HzMains supply connection, supply voltage 3~380-480 VAC; 50/60 HzPE PE Earth connection, PE connectionKL21 RSABus connection RS485; RSA; MODBUS RTU2 RSBBus connection RS485; RSB; MODBUS RTU3 GNDSignal ground for control interface4 CStatus relay, floating status contact, changeover contact, common connection 250 VAC / 2 A (AC1)5 Din1Digital input 1: enabling of electronics; enabling: open pin or applied voltage 5 to 50 VDC; disabling: bridge to GND orapplied voltage < 1 VDC; reset function: triggers software reset after a level change to < 1V6 +10 V Fixed voltage output 10 VDC; +10 V ±3 %; max. 10 mA; short circuit proof; power supply for ext. devices (e.g. potentiometer)78Ain1 UNCAnalogue input 1 (set value); 0-10 V; Ri= 100 kΩ; parametrisable curvesStatus relay, floating status contact, break with error169