-130-
5 Commissioning and Operation
☆ Related parameters:
H02-07
Name
Stop mode at
overtravel
Setting
Condition &
Effective Time
At stop &
Immediately
Data
Structure
-
Data
Type
Uint16
2002-08h
Access
RW Mapping - Related Mode
All
Data Range
0–7
Default
1
Defines the deceleration mode of the servo motor from rotating to stop and the servo motor state after stop at
overtravel.
Value
Stop mode
0
Coast to stop, keeping de-energized state
1
Stops at zero speed, keeping position lock state
2
Stop at zero speed, keeping de-energized state
3
Ramp to stop as defined by 6085h, keeping de-energized state
4
Ramp to stop as defined by 6085h, keeping position lock state
5
DB stop, keeping de-energized state
6
DB stop, keeping DB state
7
Not responding to overtravel
When the servo motor drives a vertical axis, for the sake of safety, set 2002-08h to 1 to make the motor shaft stay in
position lock state after overtravel occurs.
After the brake output is enabled, the stop mode at overtravel is forcibly set to "Stop as defined by 6085h, keeping
position lock state".
If the servo motor enters overtravel
state
when driving a vertical axis, the workpiece may fall. To prevent
such risks, set 2002-08h to 1. When the workpiece moves linearly, connect the limit switch to prevent
mechanical damage. In overtravel status, input a reverse run command to make the motor (workpiece)
run in the reverse direction.
FunIN.14
:
P
-OT
FunIN.15
:
N-OT
Motor
Reduction
gear
Load
Servo drive
DI
DI
Figure 5-21
Installation of limit switches
To use the limit switch, allocate function 14 (FunIN.14: P-OT, positive limit switch) and function 15
(FunIN.15: N-OT, negative limit switch) to two DIs of the servo drive and set the valid logic of this DI.
This is to enable the servo drive to receive the level signals input from the limit switch. The servo drive
enables or cancels the stop-at-overtravel state based on the DI level status.
☆ Related parameters:
Function
No.
Name
Function
Description
FunIN.14
P-OT
Positive
limit switch
When the mechanical movement is beyond the movable range, the overtravel
prevention function will be applied.
Invalid: Forward drive permitted
Valid: Forward drive inhibited