6-86
D External Faults (Settings: 20 through 2F)
• With
this
setting, the multi-function input can be used to stop the Inverter or output an alarm when a
malfunction or fault occurs in a peripheral device.
• There
are 16 external fault inputs available with all 16 combinations of the following variables. Select
the setting with the desired combination.
Input level: Normally open or normally closed
Detection method: Always or During operation only
Operation selection: Decelerate to stop, Coast to stop, Emergency stop, or Continue operation
Setting
Input level Detection method Operation selection
N.O. N.C. Always During
operation
Decelerate
to stop
(Fault)
Coast
to stop
(Fault)
Emergency
stop
(Fault)
Continue
operation
(Alarm)
20 Yes --- Yes --- Yes --- --- ---
21 --- Yes Yes --- Yes --- --- ---
22 Yes --- --- Yes Yes --- --- ---
23 --- Yes --- Yes Yes --- --- ---
24 Yes --- Yes --- --- Yes --- ---
25 --- Yes Yes --- --- Yes --- ---
26 Yes --- --- Yes --- Yes --- ---
27 --- Yes --- Yes --- Yes --- ---
28 Yes --- Yes --- --- --- Yes ---
29 --- Yes Yes --- --- --- Yes ---
2A Yes --- --- Yes --- --- Yes ---
2B --- Yes --- Yes --- --- Yes ---
2C Yes --- Yes --- --- --- --- Yes
2D --- Yes Yes --- --- --- --- Yes
2E Yes --- --- Yes --- --- --- Yes
2F --- Yes --- Yes --- --- --- Yes
Note 1. For
the input level, select whether you want a fault to be detected when the input signal is
ON
(normally open input) or OFF (normally closed input).
Note 2. For
the detection method, select whether you want faults to be detected any time that the In
-
verter is on or only during operation.
Note 3. For the operation selection, select the processing method that you want to be performed
when a fault has been detected.
Decelerate
to stop: A fault is output and the output stopped in the selected deceleration time.
Coast to stop: A fault is output and the Inverter output is cut off.
Emergency stop: A fault is output and the output stopped in the fast-stop time (C1-09).
Continue operation: An alarm is output and operation continues.
When
an alarm is going to be output externally
,
be sure to set one of the multi-function outputs
(H2) to alarm (Minor Fault, setting 10).
• An external fault setting cannot be set in more than one multi-function input.
Advanced Operation Chapter
6
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