User Manual

Operating instructions
K3G310-AX52-90
Translation of the original operating instructions
4.5 Connection screen
No. Conn. Designation Function / assignment
PE PE Protective earth connection
KL1 1, 2, 3 L1, L2, L3 Supply voltage, voltage range (see type plate), 50/60 Hz
KL2 1 NC Floating status contact, break with error
KL2 2 COM Floating status contact, changeover contact, common connection (2 A, max. 250 VAC,
min. 10 mA, AC1)
KL2 3 NO Floating status contact, close with error
KL3 1 OUT Analogue output, 0-10 VDC, max. 3 mA, SELV,
Output of the actual motor duty cycle (PWM):
1 V corresponds to 10% PWM,
10 V correspond to 100% PWM.
KL3 2, 8 GND Signal ground for control interface, SELV
KL3 3, 7 0-10 V Set value / actual sensor value input 0-10 VDC, impedance 100 kΩ only as alternative to 4-20 mA input, SELV
KL3 4 +10 V Voltage output 10 VDC (+/-3%), max. 10 mA,
power supply for external devices (e.g. potentiometer), SELV
KL3 5 +20 V Voltage output 20 VDC (+25%/-10%), max. 50 mA, supply voltage for external devices
(e.g. sensors), SELV
KL3 6 4-20 mA Set value / actual sensor value input 4-20 mA, impedance 100 Ω, only as alternative to 0-10 V input, SELV
KL3 9, 11 RSB RS485 interface for MODBUS, RSB
KL3 10, 12 RSA RS485 interface for MODBUS, RSA
Item no. 51230-5-9970 · Revision 82542 · Release 2014-05-08 · Page 9 / 12
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone [phone] · Fax [phone] · [e-mail] · www.ebmpapst.com