Hitachi SJ Series, User Manual

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2-3
Chapter 2 Handling of This User’s Guide
2.6 Glossary
*Kana syllabary order
A
Name
Description
Intelligent (relay)
output terminal Multi-functional contact output
terminal.
Multiple functions are available
according to settings.
Intelligent input
terminal Multi-functional contact input
terminal.
Multiple functions are available
according to settings.
Inverter model The model indicated on the
specification label of the inverter.
KA
Name
Description
Regenerating Returning of power generated in the
motor to the inverter when fans are
rotated by wind or the motor speed
is decreased.
Regenerative
converter An optional element to return
regenerated power to the power
supply. Significantly reduce
harmonic current.
Regenerative
braking unit Consume regenerated power with a
separately-placed braking resistor.
Optional cassette A cassette-type optional part to be
loaded in the slot on the front side of
the product.
Open phase A part of the power line is down,
leading to unstable input/output.
*Note concerning trademarks
Proper names such as the product name and function
names mentioned in the Guide may be used by each
company as its trademark or registered trademark. In this
guide, no ® and
TM
symbols are used.
SA
Name
Description
Main circuit power
supply Power supply required for running
the inverter.
Potentiometer A regulating device with a variable
resistor.
Connect to the analog input
terminal.
Specification label A label on the side the product, on
which the specifications of the
inverter are indicated.
Sink logic Logic to turn a signal on by a current
that flows out of the signal input
terminal. This varies depending on
systems.
Power supply for
control circuit Power supply required for settings
using the operator keypad. Control
circuit is supplied with power via R0
and T0 or P+ and P-.
Braking resistor A power consuming resistor
connected to a regenerative unit.
Operator keypad A control panel on the front side to
operate the inverter.
Source logic Logic to turn a signal on by a current
that flows into the signal input
terminal.
This varies depending on regions or
systems.
TA
Name
Description
Charge lamp Indicate the status of power input to
the main circuit of the inverter.
Power remains when the lamp is lit
even after the power is off.
HA
Name
Description
Basic Guide Basic instruction manual including
only information required for
handling the inverter.
YA
Name
Description
User’s Guide Instruction manual including detailed
information required for handling the
inverter.