EC/AC centrifugal fans RadiCal

Electrical connections ECM4)Technical features:• PFC (aktive) • Tach output • Control interface with SELV potential• integrated PID controller • RS485 MODBUS-RTU safely disconnected from the mains• Control input 0-10 VDC / PWM• Alarm relay• Input for sensor 0-10 V bzw. 4-20 mA • Line undervoltage / phase failure detection• External 24 V input (programming)• Motor current limitation• External release input• Output limit• Output for slave 0-10 V max. 3 mA• Over-temperature protected electronics / motor• Output 20 VDC (±20 %) max. 50 mA • Reverse polarity and locked-rotor protection• Output 10 VDC (+10 %) max. 10 mA • Soft startKL3 KL2 KL1RS ARS BGNDAin1 U+10 VAin1 IDin1NOCOMNCPEL1NDin2Din3GNDAin2 U+20 VAin2 IAoutConnector Connection Assignment / functionKL1 N Mains supply connection, supply voltage 1~200-277 VAC, 50/60 HzL1Mains supply connection, supply voltage 1~200-277 VAC, 50/60 HzPEPEEarth connection, PE connectionKL2 NCStatus relay, floating status contact, option 1: break with error, option 2: break with error for run monitor error messageCOMStatus relay, floating status contact, changeover contact, common connection, contact rating 250 VAC / 2 A (AC1)NOStatus relay, floating status contact, option 1: close with error, option 2: close with run monitor error messageKL3 Din1Digital input 1: enabling of electronics; enabling: open pin or applied voltage 5 to 50 VDC; disabling: bridge to GND orapplied voltage < 0,8 VDC; reset function: triggers software reset after a level change to < 0,8 VAin1 IAnalogue input 1 (set value); 4-20 mA; Ri= 100 Ω; parametrisable curve; only usable as alternative to input Ain1 U+10 VFixed voltage output 10 VDC; +10 V ±3 %; max. 10 mA; short circuit proof; power supply for ext. devices (e.g. potentiometer)Ain1UAnalogue input 1 (set value); 0-10 V; Ri= 100 kΩ; parametrisable curves; only usable as alternative to input Ain1 IGNDRSBRSAAoutAin2 I+20 VAin2 UGNDDin3Din2Signal ground for control interfaceBus connection RS485; RSB; MODBUS RTUBus connection RS485; RSA; MODBUS RTUAnalogue output 0-10 V; max. 5 mA; output of the actual motor control factor (output voltage of electronics)/of the actual motor speed;parametrisable curveAnalogue input 2; actual sensor value 4-20 mA; Ri= 100 Ω; parametrisable curve; only useable as alternative to input Ain2 UFixed voltage output 20 VDC; +20 V +25/-10 %; max. 50 mA; short circuit proof; power supply for ext. devices (e.g. sensors)Analogue input 2; actual sensor value 0-10 V; Ri= 100 kΩ; parametrisable curve; only useable as alternative to input Ain2 ISignal ground for control interfaceDigital input 3: Control characteristic of the integrated controller; according to EEPROM setting, the control characteristic of the integrated controlleris normally/inversely selectable per BUS or per digital input; normal: open pin or applied voltage 5 to 50 VDC; inverse: bridge to GND or appliedvoltage < 0,8 VDCDigital input 2: parameter set switch 1/2; according to EEPROM setting, thr valid/used parameter set is selectable per BUS or perdigital input Din2. Parameter set 1: open pin or applied voltage 5 to 50 VDC; parameter set 2: bridge to GND or applied voltage < 0,8 VDC168