
Functions
5.2 Inverter control
Frequency inverter
86
Operating Instructions, 08.10. 2008, t.b.d.
5.2.2
Two-wire control, method 1
Function description
This control method uses two control commands as permanent signals.
One control command starts/stops the motor, while the other control command changes the
direction of rotation.
R
R
0RWRU21
$FWLYH
$FWLYH
$FWLYH
0RWRU
VSHHG
5HYHUVH
PRWRU
2))
W
Figure 5-2
Two-wire control using digital inputs, method 1
Table 5- 2
Function table
Motor ON
Reverse
motor
Function
0
0
OFF1: The motor decelerates to a standstill
0
1
OFF1: The motor decelerates to a standstill
1
0
The motor accelerates to the setpoint
1
1
The motor accelerates to the inverted setpoint
Table 5- 3
Parameterizing the function
Parameter
Description
P0700 = 2
Controls the motor using the digital inputs of the frequency inverter
P0727 = 0
Two-wire control, method 1 or 2
P0701 = 1
The motor is power-up with digital input 0
Further options:
The motor can be powered-up with any other digital input, e.g. with digital input 3 via
P0704 = 1
P0702 = 12
The motor is reversed with digital input 1
Further options:
The motor can be reversed with any other digital input, e.g. with digital input 3 via
P0704 = 12