Disabling And Re-Enabling The Setpoint Value; Change Of Direction - Siemens SIMATIC EM 148-FC Manual

Disabling and re-enabling the setpoint value

Control bits
Bit 6
f
setpoint
Brake
Figure 5-9

Change of direction

Control bits
Bit 11
Bit 12
f
setpoint
Clockwise
rotation
Counter-
clockwise
rotation
f
setpoint
Figure 5-10
Counterclockwise rotation must be enabled at parameter assignment (see
Section 4.2.2).
If neither of the control bits 11 and 12 is set, clockwise rotation is the default
setting. If the two bits are set, the motor is stopped by means of a normal
ramp-down.
EM 148-FC Frequency Converter
A5E00065321-03
Disable setpoint value
1
0
f
f
max
f
min
0
1
0
Disabling and re-enabling the setpoint value
1
0
Counterclockwise rotation
1
0
f
f
max
0
Change of direction
Enable setpoint value
Clockwise rotation
No counterclockwise rotation
Mode of Functioning
t
t
t
t
5-9