Siemens SINUMERIK 840D sl Function Manual page 1571

DB31, ...
DBX1.5 - DBX1.6
Position measuring system 1 (PMS1) / Position measuring system 2 (PMS2)
Signal state overview PMS1
Notes
● If the interface signal of the active position measuring system is reset for a traversing axis, the
● If a speed-controlled spindle does not have a position measuring system, the "Controller enable"
● After deactivation of the "parking" state, incremental position measuring systems have to be
Basic Functions
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
PMS2 Effect
1 0 Position measuring system 1 is active:
● Position control of the machine axis via position measuring system 1.
● Monitoring functions (measuring system, standstill, clamping monitoring,
contour deviation, etc.) of the machine axis via position measuring system 1.
● If position measuring system 2 exists (MD30200 $MA_NUM_ENCS == 2), its
actual position value is acquired, but not monitored by any of these functions.
0 1 Position measuring system 2 is active:
● Position control of the machine axis via position measuring system 2.
● Monitoring functions (measuring system, standstill, clamping monitoring,
contour deviation, etc.) of the machine axis via position measuring system 2.
● If position measuring system 1 exists (MD30200 $MA_NUM_ENCS == 2), its
actual position value is acquired, but not monitored by any of these functions.
1 1
● Position control of the machine axis via position measuring system 1.
● If position measuring system 2 is available (MD30200 $MA_NUM_ENCS ==
2), its actual position value is also acquired.
0 0 Position measuring systems 1 and 2 are inactive ("parking" of the machine axis):
● There is no actual value acquisition.
● The monitoring of the position measuring system has been deactivated.
● The following interface signals are reset:
– DB31, ... DBX60.4/5 == 0 (referenced/synchronized encoder 1/2)
– DB31, ... DBX61.5 (position controller active)
– DB31, ... DBX61.6 (speed controller active)
– DB31, ... DBX61.7 (current controller active)
axis is stopped with a ramp stop without the controller enable being cancelled internally.
interface signal must be set:
DB31, ... DBX2.1 == 1 (controller enable)
referenced to achieve the "referenced" encoder status.
Z1: NC/PLC interface signals
19.1 Various interface signals and functions (A2)
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