Setting The Overtravel Limit Function - Parker FL20-CA Series Product Manual

2. Servo drive becomes disabled status, and after delay time of 2008h-04h .
Enable
OFF
signal
Servo and motor
OFF
enable status
300ms
OFF
Electromagnetic
braking signal
OFF
Braking status
Fig 7-1-4 Electromagnetic brake sequence diagram
Note: servo enabled is off, T1 is the smaller value between 2008h-04h and the time taken
by speed decreasing to 2008h-11h.

7.1.4 Setting the Overtravel Limit Function

The overtravel limit function forces movable machine parts to stop if they exceed the allowable
range of motion. The function adopts a limit switch or a photoelectric switch.
1. Hardware overtravel protection function
As soon as the servo drive detects the on/off signal from the limit switch, it will force the speed
in the present direction to turn to 0, but it does not work for the speed of opposite direction.
Reverse rotation direction
Servo
motor
Servo
drive
Fig 7-1-5 Overtravel Limit Function
(1) Input signal
Signal name
Forward run prohibited
Reverse run prohibited
(2) Setting related parameter
Forward run prohibited
Setting range
0: Prohibited invalid
2008h-12h
1: Prohibited valid
Function code
So-17
FL20-CA Series
ON
ON
ON
100ms
ON
Delay time
Forward rotation direction
Limit switch
Limit switch
R - INH
F - INH
Code
F-INH Forbidden servo drive forward run.
R-INH Forbidden servo drive reverse run.
PP PV PT CSP CSV CST
Mfr's value
Setting unit
N/A
Mapping Data type
N UINT16
123
OFF
OFF
OFF
T1
OFF
Delay time
Remarks
HM
When enabled
Effective
1
Immediately
Accessibility
RW