Changing The Motor's Direction Of Rotation - Siemens SIMATIC EM 148-FC Manual

5.2

Changing the motor's direction of rotation

If you want to change the motor's direction of rotation, proceed as follows (to
change from right to left, for example):
Figure 5-2
EM 148-FC Frequency Converter
A5E00065321-03
Set control bits for the change of direction
Ctrl. bit 11 = 0, ctrl. bit 12 = 1
Motor frequency setpoint value = 0
Motor frequency
actual value = 0?
Yes
Reset control bit AUS1
Ctrl. bit 0 = 0
Direction bit
in status word OK?
St. bit 11 = 0 and
st. bit 12 = 1?
Yes
Set control bit AUS1
Ctrl. bit 0 = 1
Specify setpoint value for motor frequency

Changing the motor's direction of rotation

Mode of Functioning
No
No
Ctrl. bit = control bit
St. bit = status bit
5-3