Jogging Command - Hitachi WJ200 Series Instruction Manual

Jogging Command

The Jog input [JG] is used to command
the motor to rotate slowly in small
increments for manual operation. The
speed is limited to 9.99 Hz. The
frequency for the jogging operation is
set by parameter A038. Jogging does
not use an acceleration ramp, so we
recommend
frequency
A038
prevent tripping.
When the terminal [JG] is turned ON
and the Run command is issued, the
inverter outputs the programmed jog
frequency to the motor. To enable the
Run key on the digital operator for jog
input, set the value 01 (terminal mode)
in (Run command source).
A002
The type of deceleration used to end a motor jog operation is selectable by
programming function A039. The options are:
• valid during operation, Free-run stop (coasting)
00
• valid during operation, Deceleration (normal level) and stop
01
• valid during operation, Use DC braking and stop
02
• invalid during operation, Free-run stop (coasting)
03
• invalid during operation, Deceleration (normal level) and stop
04
• invalid during operation, Use DC braking and stop
05
Option Terminal
Code Symbol
JG Jogging
06
C001~C007
Valid for inputs:
A002=01, A038>B082,
Required settings
A038>0,
Notes:
• No jogging operation is performed when the set
value of jogging frequency
the start frequency B082, or the value is 0Hz.
• Be sure to stop the motor when switching the
function [JG] ON or OFF.
setting the jogging
to 5 Hz or less to
Function Name State
ON
OFF
A039
A038 is smaller than
[JG]
1
0
[FW],
1
[RV]
0
Jog
speed
A038
A039
Jog decel type
Description
Inverter is in Run Mode, output to motor runs at jog
parameter frequency
Inverter is in Stop Mode
Example (requires input configuration—see
page 3–84):
7 6 5 4
See I/O specs on page 4–6.
4−19
JG FW
3 2 1 L PCS P24
PLC