Mitsubishi Electric FR-S500 Series Instruction Manual page 40

4.
Deceleration
Perform 4mA input.
The frequency value on the indication
decreases according to Pr. 8
"Deceleration time" until 0.0Hz is
displayed and RUN of the operation
status indication flickers.
The motor stops.
5.
Stop
Turn the start switch (STF or STR) off.
REMARKS
To make a reverse rotation start, Pr. 63 "STR terminal function selection" must be set to "---".
The motor will not rotate ... Why?
Check that [EXT] is lit.
[EXT] is valid when Pr. 79 = "0" (factory setting)
PU
Use
EXT
Check that the AU signal is on.
Turn the AU signal on.
Check that wiring is correct. Check it again.
Change the frequency (60Hz) of the maximum value of potentiometer (at 20mA)
Adjust the frequency in Pr. 39 "frequency setting current gain frequency".
(Refer to page 41)
Change the frequency (0Hz) of the minimum value of potentiometer (at 4mA)
Adjust the frequency in calibration parameter C5 "frequency setting current
bias frequency". (Refer to
to lit [EXT].
Operation by the start command of the terminal block
Output of the
adjustment meter
(4 to 20mADC)
Forward
rotation Reverse
rotation
OFF
Instruction Manual (detailed).)
35
(external operation)
RUN
Flickers
PU
EXT
RUN
PU
EXT
4