Detailed Description
2.2 Encoder monitoring
Axis Monitoring, Protection Zones (A3)
2-16 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Activation
Actual velocity monitoring is activated as soon as the active measuring system:
DB31, ... DBX1.5 / 1.6 (position measuring system 1 / 2)
supplies valid actual values (encoder limit frequency is not exceeded).
Effectivity
The actual velocity monitoring only operates with active position control and the following
axis types:
• Linear axes
• Rotary axes
• Open loop controlled and position controlled spindles
Effect
Upon exceeding of the threshold, the following occurs:
• Alarm: "25030 Axis <
Axis identifier
> Actual velocity alarm limit"
• The affected axis is stopped via the configured braking ramp in follow-up mode:
MD36610 $MA_AX_EMERGENCY_STOP_TIME
(Time for braking ramp when an error occurs)
• If the axis/spindle is involved in interpolation with other axes/spindles, these are brought
to a standstill with rapid stop (set velocity = 0).
2.2 2.2 Encoder monitoring
2.2.1 Encoder limit frequency monitoring
Function
Monitoring of the parameterized encoder limit frequency:
MD36300 $MA_ENC_FREQ_LIMIT (encoder limit frequency)
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