Mitsubishi Electric FR-A820-00046 (0.4K) Instruction Manual page 363
Fr-a800 series
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- Instruction manual (1218 pages) ,
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NOTE
• The range of frequency changeable by acceleration signal (RH) and deceleration signal (RM) is 0 to maximum frequency (Pr.1
or Pr.18 setting). Note that the maximum value of set frequency is (main speed + maximum frequency).
• Even if the start signal (STF or STR) is OFF, turning ON the RH or RM signal varies the preset frequency.
• The RH, RM, or RL signal can be assigned to an input terminal by setting Pr.178 to Pr.189 (Input terminal function
selection). Changing the terminal assignment may affect other functions. Set parameters after confirming the function of each
terminal.
• The inverter can be used in the Network operation mode.
• The remote setting function is invalid during JOG operation and PID control operation.
• The multi-speed operation function is invalid when remote setting function is selected.
Setting frequency is "0".
• Even when the remotely-set frequency is cleared by turning ON the RL (clear) signal after turning OFF (ON) both the RH and
RM signals, the inverter operates at the remotely-set frequency stored in the last operation if power is reapplied before one
minute has elapsed since turning OFF (ON) both the RH and RM signals.
• When the remotely-set frequency is cleared by turning ON the RL (clear) signal after turning OFF (ON) both the RH and RM
signals, the inverter operates at the frequency in the remotely-set frequency cleared state if power is reapplied before one
minute has elapsed since turning OFF (ON) both the RH and RM signals.
CAUTION
• When using the remote setting function, set the maximum frequency again according to the machine.
Parameters referred to
Pr.1 Maximum frequency, Pr.18 High speed maximum
362
5. PARAMETERS
5.8 (F) Setting of acceleration/deceleration time and acceleration/deceleration pattern
(Hz)
The set frequency is clamped at (main speed + Pr.1)
Output frequency is
clamped at Pr.1
Pr.1
Main speed setting
0Hz
Acceleration(RH)
Deceleration(RM)
Forward rotation(STF)
Remotely-set frequency stored last time
Within 1 minute
Acceleration (RH)
ON
Deceleration (RM) OFF
Clear (RL)
Forward rotation
ON
(STF)
ON
Power supply
Remotely-set frequency stored last time
ON
Acceleration (RH)
Deceleration (RM) OFF
Clear (RL)
Forward rotation (STF)
Power supply
frequencypage 407
Set frequency
Output frequency
"
Pr.59=
1, 2, 3
"
Pr.59=
Time
ON
ON
ON
Remotely-set frequency stored last time
Time
ON
ON
ON
One minute
More than
one minute
Operation is performed at the set
frequency 0Hz.
Time
ON
ON
ON
ON
ON
"
"
11, 12, 13
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Troubleshooting
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