A3: Axis Monitoring, Protection Zones
2.2 Axis monitoring
Basic Functions
84 Function Manual, 09/2011, 6FC5397-0BP40-2BA0
2.2.2.4 Exact stop and standstill tolerance dependent on the parameter set
Common factor for position tolerances
For adaptation to different machining situations and/or axis dynamics, e.g.,:
• Operating state A: High precision, long machining time
• Operating state B: Lower precision, shorter machining time
• Changing of the mass relationships after gear change
the positioning tolerances:
• MD36000 $MA_STOP_LIMIT_COARSE (exact stop coarse)
• MD36010 $MA_STOP_LIMIT_FINE (exact stop fine)
• MD36030 $MA_STANDSTILL_POS_TOL (standstill tolerance)
can be weighted with a common factor depending on the parameter set:
MD36012 $MA_STOP_LIMIT_FACTOR (exact stop coarse/fine and standstill factor)
Because the factor applies in common for all three position tolerances, the relationship between the values
remains constant.
2.2.2.5 Clamping monitoring
Clamping monitoring
For machine axes that are mechanically clamped upon completion of a positioning operation, larger motions can
result from the clamping process (> standstill tolerance). As a result, zero-speed monitoring is replaced by
clamping monitoring during the clamping process.
Clamping monitoring monitors the adherence to the configured clamping tolerance:
MD36050 $MA_CLAMP_POS_TOL (Clamping tolerance)
Activation
The clamping monitoring is activated by the following interface signal:
DB31, ... DBX2.3 (clamping in progress)
Note
The clamping monitoring is not active in "follow-up mode" (DB31, ... DBX1.4 = 1).
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