158
6 SERVO MOTOR DRIVING
6.4 Jog mode (jg)
6.4
Jog mode (jg)
Function explanation
For the machine adjustment, home position adjustment, and others, positioning to any point is possible with the jog mode (jg).
Jog operation is available in the point table method, and station jog operation and jog operation are available in the indexer
method.
Jog operation in the point table method
■
Setting
Set objects and parameters as shown below according to the purpose of use. In this operation, "Target point table" is
disabled.
■
Servo motor rotation direction
■
Operation
Switching on "Controlword bit 4 (Rotation start)" starts the operation with the set speed, acceleration time constant and
deceleration time constant. Switching off "Controlword bit 4 (Rotation start)" makes deceleration to a stop. For the rotation
direction, refer to the following.
Page 158 Servo motor rotation direction
Item
Object/parameter to be used
Setting
Jog mode (jg) selection
Modes of operation
Set "-100".
Servo motor rotation direction
[Pr. PA14]
Page 158 Servo motor rotation direction
JOG speed
Profile velocity
Set the servo motor speed.
Acceleration time constant
Profile Acceleration
Set the acceleration time constant.
Deceleration time constant
Profile deceleration
Set the deceleration time constant.
Speed limit
Max profile velocity
Set a limit value of operation speed.
[Pr. PA14] setting
Servo motor rotation direction
Forward rotation start
(Controlword bit 4 (Rotation start): on
Controlword bit 5 (Direction): off)
Reverse rotation start
(Controlword bit 4 (Rotation start): on
Controlword bit 5 (Direction): on)
0
CCW rotation
CW rotation
1
CW rotation
CCW rotation
Item
Object to be used
Setting
Start/stop
Controlword
Set start/stop in "Controlword bit 4 (Rotation start)".
The setting is shown as follows:
On: start
Off: deceleration to a stop
[Pr. PA14]: 0
[Pr. PA14]: 1
CW
CW
CCW
CCW
Reverse
rotation start
Forward
rotation start
Reverse rotation start
Forward rotation start