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Hitachi WJ C1 Series User Manual

Hitachi WJ C1 Series
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Chapter 9 Inverter Functions
9-10-3
9.10.3 Externally Tripping the Inverter
 How to force the inverter to shut off output or output an alarm in case of a system error, etc.?
 External trip function assigns the "External fault [EXT]" to an input terminal and turns on that
terminal to generate "External trip error [E12]".
 Use this function when it is necessary to trip the inverter because of an error (trip) signal
generated by a peripheral system, etc.
 When "External trip error [E12]" occurs, the trip cannot be released even when the "External fault
[EXT]" terminal is turned off. Reset the system or turn the power off and back on to release the
trip.
 When the system is reset while [EXT] is still on, [E12] occurs again.
 Restart after reset is determined depending on the setting of "Restart mode after RS release
[C103]". For details, refer to "9.7.5 Starting after Trip Reset or Power-on".
 [E12] occurs when [EXT] is turned on despite the inverter output being stopped.
Code
Item
Description
Data
[C001]
to
[C007]
Input terminal function
External fault [EXT]:
When this signal is turned on, an "External trip
error [E12]" occurs.
12
Free running
ON
ON
ON
RUN command
External fault [EXT] input
Motor speed
Reset [RS] input
Alarm [AL] output
Q
A
!

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Hitachi WJ C1 Series Specifications

General IconGeneral
BrandHitachi
ModelWJ C1 Series
CategoryInverter
LanguageEnglish

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