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F-58
6.25.4 Emergency stop
Emergency stop
Emergency DC injection braking control time
Note) When setting at or (Emergency DC injection braking stop), you need to set also the
parameters (DC injection braking current) and (Emergency DC injection braking
control time).
1) Emergency stop by terminal operation
Emergency stop can be performed with the a or b-contact. Assign the emergency stop function
to a terminal as described below, and select a stop mode.
[Parameter setting]
Title Function Adjustment range Default setting
Emergency stop
: Coast stop
: Deceleration stop
: Emergency DC injection braking stop
: Coast stop without FL output
: Deceleration stop without FL output
: Emergency DC injection braking
without FL output
Emergency DC injection braking
control time
[s]
DC injection braking current [%]
(Example of assignment) Assigning the emergency stop function to the terminal S4
Title Function Adjustment range Setting value
Input terminal selection #8 (S4)
(emergency stop)
Note 1) An emergency stop can be carried out from the terminal even in panel operation mode. In this case,
however, holding down the Stop key for more than 5 seconds causes the inverter trip (
)
even when
is set at , or .
Note 2) If DC injection braking is not needed for normal stops, though is set at or (emergency
DC injection braking), then set the DC braking time at [s].
2) Emergency stop by panel operation
Emergency stop can be performed with the control panel, in other operation command mode.
Press twice the STOP key on the control panel.
Press the STOP key starts blinking.
Press the STOP key again Emergency stop
Then, "" is displayed, and also a fault detection signal (FL) is put out at
=, or , while the FL is not active if is set at 3, 4 or 5.
6.25.5 Overload reduction start-up frequency
Overload reduction start-up frequency
Refer to 5.13 for details.
6.25.6 Motor's 150%-overload time limit
Motor 150%-overload time limit
Refer to 5.13 for details.
Function
Emergency stop mode of can be selected. At emergency stop, a trip message ("") is displayed.
CC
Input
CC
Input
a-contact b-contact