User Manual
Operating instructions
W3G990-DW30-55
Translation of the original operating instructions
4.5 Connection screen
No. Conn. Designation Function / assignment
KL1 1 L1 Mains supply connection, supply voltage 1~200-277 V AC; 50/60 Hz
KL1 2 N Mains supply connection, supply voltage 1~200-277 V AC; 50/60 Hz
PE PE Earth connection, PE connection
KL2 1 NO Status relay, floating status contact; option 1: close with error; option 2: close with run monitor error message
KL2 2 COM Status relay; floating status contact; changeover contact; common connection; contact rating 250 VAC / max.
2 A (AC1) / min. 10 mA
KL2 3 NC Status relay, floating status contact; option 1: break with error; option 2: break with error for run monitor error
message
KL3 1 RSA Bus connection RS485; RSA; MODBUS RTU
KL3 2 RSB Bus connection RS485; RSB; MODBUS RTU
KL3 3 GND Signal ground for control interface
KL3 4 Ain1 U Analog input 1 (set value); 0-10 V; Ri= 100kOhm; parametrisable curve; only usable as alternative to input
Ain1 I
KL3 5 +10 V Fixed voltage output 10 VDC; + 10 V +/-3%; max. 10 mA; short circuit proof; power supply for ext. devices
(e.g. potentiometer)
KL3 6 Ain1 I Analog input 1 (set value); 4-20 mA; Ri= 100 Ohm; parametrisable curve; only usable as alternative to input
Ain1 U
KL3 7 Din1 Digital input 1: enabling of electronics; enabling: open pin or applied voltage 5 to 50 VDC; disabling: bridge to
GND or applied voltage < 0.8 VDC; reset function: triggers software reset after a level change to <0.8 V
KL3 8 Din2 Digital input 2: parameter set switch 1/2; according to EEPROM setting, the valid/used parameter set is
selectable per BUS or per digital 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 VDC
KL3 9 Din3 Digital input 3: control characteristic of the integrated controller; according to EEPROM setting, the control
characteristic of the integrated controller is normally/inversely selectable per BUS or per digital input; normal:
open pin or applied voltage 5 to 50 VDC; inverse: bridge to GND or applied voltage < 0.8 VDC
KL3 10 GND Signal ground for control interface
KL3 11 Ain2 U Analog input 2; actual sensor value 0-10 V; Ri= 100kOhm; parametrisable curve; only usable as alternative to
input Ain2 I
KL3 12 +20 V Fixed voltage output 20 VDC; + 20V +25/-10%; max. 50 mA; short circuit proof; power supply for ext.
devices (e.g. sensors)
KL3 13 Ain2 I Analog input 2; actual sensor value 4-20 mA; Ri= 100 Ohm; parametrisable curve; only alternative to input
Ain2 U
KL3 14 Aout Analogue output 0-10 V; max. 5 mA; output of the actual motor control factor (output voltage of electronics)/ of
the actual motor speed. Parametrisable curve.
Item no. 51661-5-9970 · Revision 82539 · Release 2014-05-08 · Page 9 / 12
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com