01/02 AWB8230-1415GB
Connection examples
51
Operation with fixed frequencies
Configuration of the parameters
Method of operation
Inputs FW and 8 function exactly as described in the first example.
With the activation of one or both fixed frequency inputs FF1 and
FF2, the current frequency setpoint applied to the motor is
replaced by the fixed frequency determined by FF1 and FF2, and
the motor brakes or accelerates according to the fixed frequency
applied. If neither of the fixed frequency inputs FF1 and FF2 is acti-
vated, the frequency setpoint is determined through analog inputs
O (voltage setpoint value) or OI (current setpoint value). The
wiring for these terminals is not shown in this circuit example. For
the combination of the individual fixed frequency values,
a Section “Fixed frequency selection (FF1 to FF4)“, Page 69.
The circuit example also contains the parameter settings for one
output signal each at terminals 11 and 12.The output signal type
is configured with PNU C021 for digital output 11 and with C022
for digital output 12.
Figure 46: Fixed frequency definition
PNU Value
Function
a001 01 Setpoint definition through control signal
terminal strip
a002 01
Start signal through FWD/REV terminals
F002 10
Acceleration time in s
F003 10
Deceleration time in s
––
FWD: Clockwise rotation on digital input FW
C008 01
REV: Start anticlockwise operation on digital
input 8
C003 16
AT: Changeover to current setpoint value
(4 to 20 mA)
C004 02
FF1: Fixed frequency input 1
C005 03
FF2: Fixed frequency input 2
C021 00
RUN output signal on terminal 11
C022 01 FA1 output signal on terminal 12
a021 f
1
The fixed frequency to be applied when FF1 is
active and FF2 is inactive is entered here.
a022 f
2
The fixed frequency applied when FF1 is inactive
and FF2 is active is entered here.
a023 f
3
The fixed frequency is applied when FF1 and FF2
are both active is entered here.
+ 24 V
FA1
RUN
REV
FF2
FF1
AT
FWD
24 VH
P24FW3458
PES
11CM2 12
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