Intelligent Functions And Parameters; Braking - Hitachi X200 Series Instruction Manual

X200 series inverter
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Intelligent Functions and Parameters

Much of this manual is devoted to describing how to use
inverter
parameters. The inverter is micro-processor-controlled, and
has many independent functions. The microprocessor has
an on-board EEPROM for parameter storage. The inverter's
front panel keypad provides access to all functions and
parameters, which you can access through other devices as
well. The general name for all these devices is the
operator, integrated operator,
Chapter 2 will show you how to get a motor running, using
a minimal set of function commands or configuring
parameters.
The optional read/write programmer will let you read and write inverter EEPROM
contents from the programmer. This feature is particularly useful for OEMs who need to
duplicate a particular inverter's settings in many other inverters in assembly-line
fashion.

Braking

In general, braking is a force that attempts to slow or stop motor rotation. So it is
associated with motor deceleration, but may also occur even when the load attempts to
drive the motor faster than the desired speed (overhauling). If you need the motor and
load to decelerate quicker than their natural deceleration during coasting, we
recommend installing an optional dynamic braking unit. See "Introduction" on
and "Dynamic Braking" on
braking units. The X200 inverter sends excess motor energy into a resistor in the
dynamic braking unit to slow the motor and load. For loads that continuously overhaul
the motor for extended periods of time, the X200 may not be suitable (contact your
Hitachi distributor).
The inverter parameters include acceleration and deceleration, which you can set to
match the needs of the application. For a particular inverter, motor, and load, there will
be a range of practically achievable accelerations and decelerations.
functions
and
how
page 5-5
to
configure
inverter
digital
or
digital operator panel
for more information on the BRD-E3 and BRD-EZ3
.
page 5-2

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