Siemens SINUMERIK 840D sl Function Manual page 49

DB31, ... DBX61.0 == 1 (drive test travel request)
The motion is carried out once the motion is enabled:
DB31, ... DBX1.0 == 1 (drive test travel enable)
DB31, ... DBX61.3 (follow-up active)
The machine axis is in follow-up mode.
DB31, ... DBX61.4 (axis/spindle stationary (n < n
"Axis/spindle stationary" is set by the NC if:
● No new setpoints are to be output AND
● The actual speed of the machine axis is lower than the parameterized zero speed:
MD36060 $MA_STANDSTILL_VELO_TOL (threshold velocity axis stationary)
DB31, ... DBX61.5 (position controller active)
The machine axis position control loop is closed and position control is active.
DB31, ... DBX61.6 (speed controller active)
The machine axis speed control loop is closed and speed control is active.
DB31, ... DBX61.7 (current controller active)
The machine axis current control loop is closed and current control is active.
DB31, ... DBX69.0 / 69.1 / 69.2 (parameter set servo)
Active parameter set Coding accordingly:
DB31, ... DBX9.0 / 9.1 / 9.2 (controller parameter set selection)
DB31, ... DBX76.0 (lubrication pulse)
Following a control POWER ON/RESET, the signal status is 0 (FALSE).
The "lubrication pulse" is inverted (edge change), as soon as the machine axis has covered
the parameterized traversing distance for lubrication:
MD33050 $MA_LUBRICATION_DIST (distance for lubrication by PLC)
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
A2: Various NC/PLC interface signals and functions
2.2 NC/PLC interface signals - only 840D sl
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