Mode of Functioning
5-9
EM 148-FC
Frequency Converter
A5E00065321-03
Disabling and re-enabling the setpoint value
Brake
0
f
min
f
setpoint
f
max
f
Control bits
Bit 6
1
0
1
0
t
t
Disable setpoint value
Enable setpoint value
Figure 5-9
Disabling and re-enabling the setpoint value
Change of direction
0
f
setpoint
f
max
f
Control bits
Bit 11
1
0
t
t
Bit 12
1
0
Clockwise rotation
Counterclockwise rotation
Clockwise
rotation
f
setpoint
No counterclockwise rotation
Counter-
clockwise
rotation
Figure 5-10
Change of direction
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.
Содержание SIMATIC EM 148-FC
Страница 56: ...Functions and Technical Specifications 4 22 EM 148 FC Frequency Converter A5E00065321 03 ...
Страница 66: ...Mode of Functioning 5 10 EM 148 FC Frequency Converter A5E00065321 03 ...
Страница 70: ...Dimensioned Drawing B 2 EM 148 FC Frequency Converter A5E00065321 03 ...
Страница 76: ...4 Product Information on Manual EM 148 FC Frequency Converter Edition 04 2003 A5E00476687 03 ...