Appendix
A.2 Tags of the positioning axis/synchronous axis technology object
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
345
FollowingError tags (positioning axis/synchronous axis)
The tag structure <TO>.FollowingError.<tag name> contains the configuration for following
error monitoring.
If the permissible following error is exceeded, then technology alarm 521 is output, and the
technology object is disabled (alarm reaction: remove enable).
When the warning level is reached, a warning is output (technology alarm 522).
Legend (Page 332)
EnableMonitoring BOOL - RES FALSE: Following error monitoring disabled
TRUE: Following error monitoring enabled
MinValue LREAL L:
0.0 to
1.0E12
R:
0.001 to
DIR Permissible following error at velocities below the value of
"MinVelocity".
MaxValue LREAL L:
0.0 to
1.0E12
R:
0.002 to
DIR Maximum permissible following error, which may be
reached at the maximum velocity.
MinVelocity LREAL 0.0 to
DIR "MinValue" is permissible below this velocity, and is held
WarningLevel LREAL 0.0 to
100.0
DIR Warning level:
Percentage value relative to the valid maximum following
Evaluating the technology data block (Page 173)