Detailed description
2.1 Axis monitoring
Basic logic functions: Axis monitoring, protection zones (A3)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
23
Activation
The actual-velocity monitoring is activated as soon as the active measuring system returns
valid actual values (encoder limit frequency not exceeded):
DB31, ... DBX1.5/1.6 (position measuring system 1/2)
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.
Fault
If the threshold is exceeded, the following alarm appears:
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
(Maximum time for braking ramp when an error occurs)
2.1.5
Measuring-system monitoring (systems with SIMODRIVE 611D)
2.1.5.1
Encoder-limit-frequency monitoring
Function
The encoder-limit-frequency monitoring checks that the encoder frequency does not exceed
the configured encoder limit frequency.
MD36300 $MA_ENC_FREQ_LIMIT (encoder limit frequency)
Encoder-limit-frequency monitoring always refers to the active measuring system selected in
the NC/PLC interface:
DB31, ... DBX1.5/1.6 (position measuring system 1/2)
Effectivity
The encoder limit frequency is operative for:
•
Linear axes
•
Rotary axes
•
Open loop controlled and position controlled spindles.
Summary of Contents for SINUMERIK 840D sl
Page 282: ...Index Basic logic functions Acceleration B2 64 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 388: ...Basic logic functions Travel to fixed stop F1 Function Manual 11 2006 6FC5397 0BP10 2BA0 52 ...
Page 962: ...Index Basic logic functions Emergency Stop N2 20 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1704: ...Constraints Basic logic functions Spindles S1 94 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1716: ...Index Basic logic functions Spindles S1 106 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 1996: ...Index Basic logic functions Tool Offset W1 208 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2150: ...Table of contents Basic logic functions Appendix 4 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...
Page 2184: ...Glossary Basic logic functions Appendix 38 Function Manual 11 2006 6FC5397 0BP10 2BA0 ...