Speed Control (Asr); Position Control (Apr) (Electronic Gear Function); Function Outline; Control Mode Setting - Hitachi SJ-FB Instruction Manual

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Data setting of the input-output terminal
Input-output terminal
ORT terminal (ORT)
Positioning completion
signal (POK)

7.2 Speed control (ASR)

When the control mode selection (P012) is set to 00, operation mode
becomes a speed control operation mode (ASR mode).
Please drive after setting up the frequency, operation command and
each motor constant .
7.3 Position control (APR)
(Electronic gear function)
When the control mode selection (P012) is set to 01, operation mode
becomes a speed control operation mode (APR mode).

7.3.1 Function outline

This function generates the frequency based on the position command
pulse which comes from the pulse train input from the terminal and
position feed back pulse which is detected by the motor encoder, and
performs the position control operation. It can be used as
synchronous operation of main and sub motor. Also the turn ratio of
main and sub motor can be changed by setting up the electronic gear
ratio (N/D). (Electronic gear function)

7.3.2 Control mode setting

Inverter at the main motor (master inverter) can be set both as a
speed control and position control. Please set up the inverter at the
sub motor side (slave inverter) to a position control mode.
Terminal assignment
Set up 45 to one of
ON : Orientation mode
them of C001∼C008
Set up 23 to one of
Output when it comes to the positioning
them of C021∼C025
completion range.
24
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Chapter 7
FUNCTIONS
Contents
Relation
st
A044: 1
Control method
P012: Control mode selection
A001:
Frequency
selection
A002:
Operation
selection
F001: Frequency setting
F002: Acceleration time
F003: Deceleration time
F004:
Operation
selection
H002/H202-H052/H252:
Motor constant relation
data
Relation
st
A044: 1
Control method
P012: Control mode selection
A002: Operation command selection
P017: Completion range setting
P018: Completion delay time
P019:
Electronic
gear
selection
P020:
Electronic
gear
numerator
P021:
Electronic
gear
denominator
P022: Feed forward gain
P023: Position loop gain
C001-C008:
Intelligent
terminal
C021-C025:
Intelligent
terminal
H002/H202-H052/H252:
Motor
constant
data
command
command
direction
position
ratio
ratio
input
output
relation

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