Software Limit Settings - YASKAWA MECHATROLINK Sigma 2 Series User Manual

6 Parameter Setting and Functions

6.2.3 Software Limit Settings

6.2.3 Software Limit Settings

Servo OFF Stop Mode Selection
The SGDH SERVOPACK turns OFF under the following conditions:
• The SV_OFF command is transmitted.
• Servo alarm occurs.
• Power is turned OFF.
Specify the Stop Mode if any of these occurs during servomotor operation.
Pn001.0 Servo OFF or Alarm Stop Mode
Servo
Stop Mode
OFF
Pn001.0 = 0
or 1
Stop by dynamic
brake
Pn001.0 =2
Coast to a stop
Pn No.
Pn001.0
(Factory setting)
Note: If the servomotor is stopped or rotating at extremely low speed when
the Pn001.0 is set to 0 (dynamic brake status after stopping with the
dynamic brake), then braking power is not generated and the servo-
motor will stop the same as in coast status.
The software limits set limits in software for machine movement that do not use the
overtravel signals (P-OT and N-OT). If a software limit is exceeded, an emergency stop will
be executed in the same way as it is for overtravel.
Software Limit Function
The software limits can be enabled or disabled.
The software limit function parameter is used to enable the software limit function.
The software limits can be enabled under the following conditions. Under all other circum-
stances, the software limits will not be enabled even if a software limit is exceeded.
After stopping
0
Hold with
dynamic brake
Coast status
1
Coast status
Setting
0
Uses the dynamic brake to stop the servomotor, and
maintains dynamic brake status after stopping.
1
Uses the dynamic brake to stop the servomotor, and
cancels dynamic brake status after stopping to go
into coast status.
2
Coasts the servomotor to a stop. The servomotor is
turned OFF and stops due to machine friction.
6-10
Factory
Setting:
0
The dynamic brake electrically applies a
brake by using a resistor to consume
servomotor rotation energy.
Refer to 6.5.1 Using the Dynamic Brake.
Description