Hitachi SJ Series, User Manual

Page: 437 / 786

12-24-6
Chapter 12 About the inverter function
12.24.4 Alarm resetting
• I want to release the trip of inverter.
• I want to make an "[RS] reset operation" valid only
when a trip has occurred.
• You can release the trip of inverter.
• For resetting, press the Stop/Reset key on the
operation panel or turn on the [RS] reset terminal.
• To use the reset terminal, allocate the "028 [RS]
reset" to the input terminal function.
• Regardless of the settings, the reset terminal is set
to serve as Contact a (NO).
• With the "Reset selection [CA-72]," you can select a
timing for releasing the trip with the RS terminal.
You can make the "[RS] terminal" valid only at a
timing for releasing the trip in the event of an
abnormality.
Parameters
• Do not use the "[RS] reset terminal" in order to
interrupt the output of the inverter. To interrupt the
output of the inverter with a signal input, use the
"[FRS] free run stopping terminal" of the input
terminal function.
• You are not able to clear the internal data even
when a reset signal is input.
• When a reset signal is input during retry stand-by,
the operation starts with the frequency at the time
of interruption kept un-cleared.
Item Parameter Data Description
Reset selection [CA-72]
00
At
ON, cancels the trip (Example 1 and 3).
At normal: Interrupts the output.
At abnormal: Cancels the trip.
01
At
OFF, cancels the trip (Example 2 and 3).
At normal: Interrupts the output.
At abnormal: Cancels the trip.
02
At
ON, cancels the trip (Examples1 and 4).
At normal: Invalid
At abnormal: Cancels the trip.
03
At
OFF, cancels the trip (Examples 2 and 4).
At normal: Invalid
At abnormal: Cancels the trip.
Reset restarting
selection
[bb-41]
00 Starts with 0 Hz
01 Starts frequency adjustment
02 Restarts frequency acquisition
Input terminals 1 to
9, A, and B
[CA-01]~[CA-11] 028 RS: Reset function
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