Siemens SINUMERIK 840D sl Function Manual page 1649

DB31, ...
DBB88 S function for spindle
Edge evaluation: Yes
Edge change 0 → 1 An S function was output from the NCK to the PLC.
The output occurs by means of: See "Corresponds to ..." below
The following S functions are output here:
● S.... as spindle speed in rpm (programmed value)
● S .... as constant cutting rate in m/min or ft/min
The following S functions are not output here:
● S.... as the programmed spindle speed limiting G25
● S.... as the programmed spindle speed limiting G26
● S .... as spindle speed in rpm if a spindle was not defined in the controller
● S.... as the dwell time in spindle revolutions
Corresponding to ... DB31, ... DBB88 - DBB91 (S function for spindle), axis-specific
DB21, ... DBB60, DBB98 - DBB115 (S function for spindle), channel-specific
Spindle with SMI 24 (Weiss spindle)
DB31, ...
DBX132.0 Sensors available
Edge evaluation: No
Signal state 1 The sensor required for spindles with SMI 24 is available.
Signal state 0 The sensor required for spindles with SMI 24 is not available.
Corresponding to ... DB31, ... DBX132.1: Sensor S1 (clamped state) is available
DB31, ... DBX132.4: Sensor S4 is available
DB31, ... DBX132.5: Sensor S5 is available
DB31, ...
DBX132.1 Sensor S1 available (clamped state)
Edge evaluation: No
Signal state 1 Sensor S1 is available.
Signal state 0 Sensor S1 is not available.
Corresponding to ... DB31, ... DBW134 (status of the clamping system)
DB31, ... DBW136 (analog value: clamped state)
DB31, ...
DBX132.4 Sensor S4 available (piston end position)
Edge evaluation: No
Signal state 1 Sensor S4 is available.
Signal state 0 Sensor S4 is not available.
Corresponding to ... DB31, ... DBX138.4 (Sensor S4: piston end position)
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Signal(s) updated: Cyclically
Signal(s) updated: Power-up
Signal(s) updated: Power-up
Signal(s) updated: Power-up
Z1: NC/PLC interface signals
19.11 Spindles (S1)
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