Functions
6.2 Inverter Control
SINAMICS G110D
Operating Instructions, 07/2016, FW V3.63, A5E36768472B AB
99
6.2.4
Two-wire control, method 3
Function description
This control method uses two control commands as permanent signals.
Like method 2, CW and CCW rotation can be started/stopped by one control command
each. In contrast to method 2, however, the control commands can be switched at any time
regardless of the setpoint, output frequency, and direction of rotation. The motor does not
have to coast to 0 Hz either before a control command is executed.
Image 6-4
Two-wire control using digital inputs, method 3
Table 6- 7
Function table
Motor ON /
CW
Motor ON /
CCW
Function
0
0
OFF1: The motor decelerates to a standstill
0
1
The motor accelerates to the inverted setpoint
1
0
The motor accelerates to the setpoint
1
1
OFF1: The motor decelerates to a standstill
Table 6- 8
Parameterizing the function
Parameter
Description
P0700 = 2
Controls the motor using the digital inputs of the inverter
P0727 = 1
Two-wire control, method 3
P0701 = 1
CW rotation is activated with digital input 0
Further options:
CW rotation can be activated with any other digital input, e.g. with digital input 3 via
P0704 = 1
P0702 = 2
CCW rotation is activated with digital input 1
Further options:
CCW rotation can be activated with any other digital input, e.g. with digital input 3 via
P0704 = 2
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