Yaskawa MP2200 Machine Controller - Manual (Page 482)

9 Utility Functions
9.3.3 Processing after an Alarm Occurs
9-18
ΠThe software limit function is enabled only after completing a Zero Point Return or Zero Point
Setting operation.
ΠIf any fixed parameters are changed and saved, the Zero Point Return or Zero Point Setting
operation must be performed again.
ΠDisable the software limits in the SERVOPACK.
Œ
Σ SERVOPACK: Cn-0014, bits 2 and 3
Œ Σ-ΙΙ or Σ-ΙΙΙ S-ERVOPACK: Pn801.0 = 3 (default value)
9.3.3 Processing after an Alarm Occurs
( 1 ) Alarm Information
If a software limit is exceeded, a Positive/Negative Soft Limit (Positive/Negative Software Limit)
alarm will occur. This alarm can be monitored in the Alarm monitoring parameter (IL††04).
( 2 ) Clearing Software Limit Alarms
Clear software limit alarms using the procedure below.
1. Resetting Alarms
Set the Alarm Clear bit to 1 in the RUN Commands (OW††00 bit F) to clear the alarm.
2. Returning
Use the FEED or STEP command to return past the software limit.
IMPORTANT
Register Number Name Contents
IL††04 Alarm
Bit 3: Positive Software Limit
Bit 4: Negative Software Limit
Register Number Name Contents
OW††00 RUN Commands Bit F: Clear Alarm
Commands will be received in the return direction.
Servo-
motor
An alarm will occur again if a command is
given in the direction of the software limit
that was activated.
Software Limit,
lower limit
Software Limit,
upper limit