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Using Intelligent Input Terminals
Operations
and Monitoring
4–12
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
10 Hz. The frequency for the jogging opera-
tion is set by parameter A_38. Jogging does
not use an acceleration ramp, so we recom-
mend setting the jogging frequency A_38 to
5 Hz or less to 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 A_02 (Run command source).
The type of deceleration used to end a motor jog operation is selectable by programming
function A_39. The options are:
• 00 Free-run stop (coasting)
• 01 Deceleration (normal level) and stop
• 02 Use DC braking and stop
[JG]
[FW],
[RV]
Jog decel type
Jog
speed
A38
A39
1
0
1
0
t
Option
Code
Terminal
Symbol
Function Name
Input
State
Description
06 JG Jogging ON Inverter is in Run Mode, output to motor runs at
jog parameter frequency
OFF Inverter is in Stop Mode
Valid for inputs:
C_01, C_02, C_03, C_04,
C_05
Required settings: A_02= 01, A_38 > B_82,
A_38 > 0, A_39
Notes:
•
No jogging operation is performed when the set
value of jogging frequency A_38 is smaller than the
start frequency B_82, or the
value is 0 Hz.
•
Be sure to stop the motor when switching the
function [JG] ON or OFF.
Example (requires input configuration—
see page 3–32
):
See I/O specs on page 4–6.
12345L
P24
JG