Detailed Description
2.1 Various interface signals and functions (A2)
Basic logic functions: NC/PLC interface signals (Z1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
35
DB31, ...
DBX2.1
Controller enable
Edge evaluation: no
Signal(s) updated: cyclic
Signal state 1
The position control loop of the axis/spindle is closed; the axis/spindle is in closedloop control.
Signal state 1 or
edge change
0 → 1
When "controller enable" is set by the PLC user program:
•
Position control loop of axis is closed.
•
Position actual value is no longer switched to the position setpoint.
•
The controller enable of the drive is output.
•
The interface signal:
DB31, ... DBX61.5 (position controller active)
is set to 1.
When "controller enable" has been signaled no new actual value synchronization of the axis
(reference point approach) of the axis is necessary if the maximum permissible limit frequency of
the axis measuring system has not been exceeded during followup mode.
As a function of the interface signal:
DB31, ... DBX1.4 ( followup mode)
it is possible to select whether or not the axis first traverses back to the earlier setpoint position (i.e.
the positional deviation caused by the clamping process is moved through to eliminate the
deviation).
Edge change
1 → 0 or
signal state 0
"Controller enable" will be/is removed:
The procedure for removing "controller enable" depends on whether the axis/spindle or an axis of
the geometry grouping is stationary or traversing at this point in time.
•
Axis/spindle stationary:
–
Position control loop of axis is opened.
–
When IS "Follow-up mode" = 1 the position actual value is switched to the position setpoint
(i.e. the setpoint position is corrected to the actual value position). The position actual value
of the axis/spindle continues to be acquired by the control.
–
The controller enable of the drive is removed.
–
The interface signals:
DB31, ... DBX61.5 (position controller active)
DB31, ... DBX61.6 (speed controller active)
DB31, ... DBX61.7 (current controller active)
are set to a 0 signal.
•
Axis/spindle traverses:
–
The axis is stopped with rapid stop.
–
Alarm 21612 "VDI signal controller enable reset during movement" is triggered.
–
The position control loop of the axis/spindle is opened.
–
Independent of the interface signal:
DB31, ... DBX1.4 (follow-up mode)
At the end of braking the position actual value is switched to the position setpoint
(i.e. the setpoint position is corrected to track the actual value position).
The position actual value of the axis/spindle continues to be acquired by the control.
IS "Followup mode" is set.
–
The interface signals:
DB31, ... DBX61.5 (position controller active)
DB31, ... DBX61.6 (speed controller active)
DB31, ... DBX61.7 (current controller active)
are set to 0.
The axis status cannot be changed again until after RESET.
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 ...
