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Input Filter Time Constant (pr. 74 ); Reset Selection/pu Stop Selection (pr. 75 ) - Mitsubishi Electric FR-S520E Series Instruction Manual

Transistored inverter.
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2.10.4 Input filter time constant (Pr. 74
You can set the input section's built-in filter constant for an external voltage or
current frequency setting signal.
Effective for eliminating noise in the frequency setting circuit.
Parameter
Name
Input filter time
74
constant
<Setting>
Increase the filter time constant if steady operation cannot be performed due to noise.
A larger setting results in slower response. (The time constant can be set between
approximately 1ms to 1s with the setting of 0 to 8. A larger setting results in a larger
filter time constant.)
2.10.5 Reset selection/PU stop selection (Pr. 75
You can make reset input acceptance selection and choose the stop function
from the operation panel (PU).
Reset selection
PU stop selection :When an alarm etc. occurs in any operation mode, you can
Parameter
Name
Reset selection/
75
PU stop selection
<Setting>
Pr. 75
Reset Selection
Setting
0
Reset input normally enabled.
Enabled only when the protective
1
function is activated.
14
Reset input normally enabled.
Enabled only when the protective
15
function is activated.
Factory
Setting
1
:You can choose the reset function input (RES signal) timing.
make a stop from the operation panel by pressing the
Factory
Setting
Setting
Range
14
0, 1, 14, 15 Setting is enabled when Pr. 30 = "1"
The PU stop key is invalid. Note that the
valid only in the PU operation mode or combined
operation mode (Pr. 79 = "4").
Pressing the
stop in any of the PU, external and communication
operation modes.
115
Operation selection function
)
Setting
Range
0 to 8
Setting is enabled when Pr. 30 = "1"
PU Stop Selection
STOP
decelerates the inverter to a
RESET
Remarks
)
.
STOP
RESET
Remarks
STOP
RESET
2
is

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