11 Safety Function
11.4 Functional Safety Functions
11-80
HW1485509
HW1485509
Enable Condition
Set Enable Condition of the setting.
In order for the change to take effect, it is necessary to complete WRITE.
Speed
Specify the speed limit to the motion speed.
When “0” is set to the speed limit, it becomes the stop position
monitoring.
Position Tolerance
Specify the position tolerance for the stop position monitoring.
This item can be specified when “0” is set to “Speed”.
Although the stop position monitoring monitors the difference between
the stop position monitoring start position and the present position, to
avoid any alarms from occurring due to tiny motions such as turning ON of
the servo during the monitoring, “Position Tolerance” is specified. An
alarm occurs when the axis moves to exceed the position where the
acceptable range is added to the stop position monitoring start position.
Detection Delay Time
Specify a time frame from validating the condition file to start the alarm
detection.
Setting Activation Signal
Specify the safety input signal for enable the setting when “Enable
Condition” is “Signal”.
For the details of the safety signal usage, refer to chapter 11.4.
Value Description
Always OFF Always disable the monitoring by the setting.
Always ON Always enable the monitoring by the setting.
Signal Change the monitoring state by referring the safety input
signal.
For the details of the safety signal usage, refer to
chapter 11.4 “Functional Safety Functions”.
When limiting speed with low speed (0.1 to 5 [mm/sec] or
0.1 to 5 [%]), even during speed limit, F-SAFETY SPEED
LIMIT ERROR alarms may occur due to tiny motions such
as turning ON of the servo.
When required, take measures, such as review the limit
speed, limit section, or use stop monitoring.
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