Sensor Data - Siemens SINUMERIK 840D sl Function Manual

139, sensor data from the drive are transferred to the control. They are then available there in
the following system data:
● System variable
● OPI variables
● NC/PLC interface signals
Requirement
● The spindle is connected to the drive via Sensor Module SMI 24 using DRIVE-CLiQ.
● Drive telegram 139 is configured for the spindle.
Note
Drive telegram 139
In principle, a spindle with Sensor Module SMI 24 can also be operated with another drive
telegram. However, sensor data is only transferred to the control using drive telegram 139.
16.9.2

Sensor data

Sensors in the spindle motor
The spindle sensors provide information about the clamping device and the angular position
of the motor shaft:
● Analog sensor S1: Clamped state
Voltage value in the range from 0 - 10 V depending on the position of the draw bar.
● Digital sensor S4: Piston end position
– 0 = piston not in position
– 1 = piston is in position, i.e. piston is free to move
● Digital sensor S5: Angular position of the motor shaft
– 0 = motor shaft not aligned
– 1 = motor shaft is in position (requirement: The spindle is stationary)
Note
Spindle with sensor module SMI 24 and axis container
A spindle with sensor module SMI 24 and drive telegram 139 for the transmission of sensor
data to the control must not be part of an axis container whose axes are distributed over several
NCUs via an NCU link.
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
16.9 Spindle with SMI 24 (Weiss spindle)
S1: Spindles
1295