44
2. Basic Operation
2.6 Basic operation procedure (External operation)
NOTE
• When both the forward rotation start switch (STF signal) and the reverse rotation start switch (STR signal) are turned ON, the
motor cannot be started. If both are turned ON while the inverter is running, the inverter decelerates to a stop.
• The AU signal can be assigned to another terminal. Set "4" in any parameter from
Pr.178 to Pr.184 (Input terminal function
selection)
to assign the function to an input terminal. (For the Ethernet model, assign the signal to terminal DI0 or DI1 using
Pr.178 or Pr.179
.)
Parameters referred to
Pr.7 Acceleration time, Pr.8 Deceleration time
Pr.178 to Pr.184 (Input terminal function selection)
2.6.6
Changing the frequency (initial value: 60 Hz) at the
maximum current input (initial value: 20 mA)
• Change the maximum frequency.
The following shows the procedure to change the frequency at 20 mA from 60 Hz (initial value) to 50 Hz using a frequency
setting potentiometer for 4 to 20 mA input. Set 50 Hz in
Pr.126
so that the inverter outputs 50 Hz at 20 mA input.
Operating procedure
1.
Selecting the parameter
Turn the setting dial or press the UP/DOWN key until "P.126" (
Pr.126
) appears.
Press the SET key to show the present set value (60.00 Hz).
2.
Changing the maximum frequency
Turn the setting dial or press the UP/DOWN key to change the value to "50.00" (50.00 Hz).
Press the SET key to confirm the setting. "50.00" blinks.
3.
Selecting the mode and the monitor item
Press the MODE key twice to select the monitor mode and to monitor a frequency.
4.
Start
Turn ON the start switch (STF or STR) to apply a 20 mA current (refer to steps 3 and 4 in
Operate at 50 Hz.
NOTE
• To set the frequency at 4 mA, use the calibration parameter
C5 (Pr.904)
.
• Other adjustment methods for the frequency setting current gain are the following: adjustment by applying a current through
terminals 4 and 5, and adjustment using a specified point without applying a current through terminals 4 and 5. (Refer to
60Hz
(50Hz)
Output frequency
(Hz)
Pr.126
0
Frequency setting signal
100%
Initial value
Gain
0
20
4
20mA
Bias
C5(Pr.904)
C6(Pr.904)
C7(Pr.905)
0
1
5V
0
2
10V
Содержание FR-E800
Страница 17: ...16 1 Introduction 1 3 Related manuals MEMO ...
Страница 51: ...50 2 Basic Operation 2 8 I O terminal function assignment MEMO ...
Страница 89: ...88 3 Parameters 3 4 Parameter list by function group number MEMO ...
Страница 135: ...134 5 Speed Control 5 9 Troubleshooting in the speed control MEMO ...
Страница 153: ...152 6 Torque Control 6 7 Troubleshooting in torque control MEMO ...
Страница 195: ...194 8 E Environment Setting Parameters 8 18 Current average value monitor signal MEMO ...
Страница 237: ...236 10 D Operation Command and Frequency Command 10 6 Operation by multi speed setting MEMO ...
Страница 339: ...338 13 T Multi Function Input Terminal Parameters 13 9 Start signal operation selection MEMO ...
Страница 455: ...454 16 G Control Parameters 16 13 Speed smoothing control MEMO ...
Страница 481: ...480 18 Appendix 18 4 Parameters functions and instruction codes under different control methods MEMO ...