www.becker-international.com
28
3.3.5 Control connections
1. Feed the required control cable through the cable glands (2) into the housing.
2. Connect the control cables according to the figure and/or table. Use shielded control cables.
3. Place the cover onto the housing of the frequency converter and bolt it tight to the following torque:
Size.
Torque
VAU 4/4 & VAU 7.5/3
2 Nm (4 x M4 x 28)
VAU 11-22/3
4 Nm (4 x M6 x 28)
Table 8: Tightening torques
Connection terminals of the bottom row
of the double row terminal block:
Terminal
Connection
10V Out
Int. power supply
24V IN
ext. voltage supply
GND (In)
Mass (ext. voltage supply)
GND
Ground
Analogue Out 2 (0V...10V) analogue voltage output 2
GND
Mass
GND
Mass
GND
Mass
Analogue In 3
analogue input 3
Analogue In 4
analogue input 4
Table 9: Connection assignment for control connections (bottom row)
Connection terminals of the upper row
of the double row terminal block:
Terminal
Connection
24V Out
int. power supply
Dig In 1
Digital input 1 - release (start/stop)
Dig In 2
Digital input 2
Dig In 3
Digital input 3
Analogue Out 1 (0V...10V) analogue voltage output 1
A n a l o g u e O u t 1
(0mA...20mA)
analogue current output 1
RS 485 A(+)
Serial RS485 interface cable A
RS 485 B(-)
Serial RS485 interface cable B
Analogue In 2
analogue input 2
Analogue In 1
analogue input 1
Table 10: Connection assignment for control connections (upper row)