Tags - Siemens SIMATIC S7-1500 Function Manual

Basics
3.16 Position-related monitoring
3.16.4

Tags

The following technology object tags are relevant for positioning monitoring:
Status indicators
<TO>.StatusWord.X7 (Standstill)
<TO>.StatusWord.X6 (Done)
<TO>.ErrorWord.X12 (PositioningFault)
Positions and times
<TO>.PositioningMonitoring.ToleranceTime Maximum permissible time until positioning window is
<TO>.PositioningMonitoring.MinDwellTime
<TO>.PositioningMonitoring.Window
Standstill signal
<TO>.StandstillSignal.VelocityThreshold
<TO>.StandstillSignal.MinDwellTime
The following technology object tags are relevant for following error monitoring:
Status indicators
<TO>.StatusPositioning.FollowingError
<TO>.ErrorWord.X11 (FollowingErrorFault)
<TO>.WarningWord.X11 (FollowingError-
Warning)
Control bits
<TO>.FollowingError.EnableMonitoring
Limit values
<TO>.FollowingError.MinVelocity
<TO>.FollowingError.MinValue
<TO>.FollowingError.MaxValue
<TO>.FollowingError.WarningLevel
64
Is set to the value TRUE , when the actual velocity
value goes below the velocity threshold, and does not
exit it within the minimum dwell time.
The standstill signal is only present at the positioning
axis/synchronous axis.
Positioning axis/synchronous axis
Is set to the value TRUE, when the actual velocity val-
ue reaches the positioning window within the tolerance
time, and remains for the minimum dwell time in the
window.
Speed axis
Is set to TRUE, when the motion is completed and thus
the speed setpoint is equal to zero.
A positioning error has occurred.
reached
The time is started with the end of the setpoint interpo-
lation.
Minimum dwell time in the positioning window
Positioning window
Velocity threshold for the standstill signal
Minimum dwell time below the velocity threshold
Current following error
Status indication, that the following error is too large
Status indication, that the following error warning limit
has been reached
Enabling / disabling following error monitoring
Lower setpoint velocity for the characteristic curve of
the maximum following error
Permissible following error below the
<TO>.FollowingError.MinVelocity
Maximum permissible following error at maximum axis
velocity
Warning limit as a percentage value relative to the
maximum permissible following error (velocity-
dependent in accordance with the characteristic curve)
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC