Basic operation procedure (PU operation)
Basic operation
4 - 20
4.5.5
Setting the frequency using an analog signal (current input)
Connection diagram
NOTES
Use the operation panel (FR-DU08) (FWD or REV key) to give a start command.
Use the outputs from the current signal source (4 to 20 mA) to give a frequency command (by con-
necting it across terminals 4 and 5 (current input)).
Turn ON the AU signal.
Set Pr. 79 "Operation mode selection" ="4" (External/PU combination operation mode 2).
I002448E_G
Fig. 4-7:
Frequency setting by analog current input
Example
Operation example: Operate at 60 Hz.
Operation
Turning ON the power of the inverter
The monitor display turns ON.
Changing the operation mode
Set "4" in Pr. 79. [PU] and [EXT] indicators turn ON. (For changing the setting value, refer to page 4-6.)
Terminal 4 input selection
Turn ON the terminal 4 input selection signal (AU). Input to the terminal 4 is enabled.
Start
Press
or
. [FWD] or [REV] indicator flickers as no frequency command is given.
$
Acceleration
➔
constant speed
Input 20 mA. The frequency value indicated on the display increases for the time set in Pr. 7 "Acceleration time", and is
fixed at "
" (60.00 Hz).
%
Deceleration
Input 4 mA or less.The frequency value indicated on the display decreases for the time set in Pr. 8 "Deceleration time",
and the motor stops rotating at "
" (0.00 Hz). [FWD] or [REV] indicator flickers.
&
Stop
Press
. [FWD] or [REV] indicator turns OFF.
Tab. 4-14:
Operate the inverter by using the analog current input
5(-)
4(+)
PC
AU
Operation panel
(FR-DU08)
Inverter
AU signal
Current signal
source
(4 to 20 mA DC)
Summary of Contents for FR-A820-00046 (0.4K)
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Page 144: ...System configuration for Ethernet communication FR A800 E Installation and wiring 2 114 ...
Page 202: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Page 1090: ...Check first when you have a trouble Protective functions 6 50 ...
Page 1189: ...Appendix EC Declarations of Conformity FR A800 A 49 ...
Page 1190: ...EC Declarations of Conformity Appendix A 50 ...
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