Siemens SIMATIC S7-1500 Motion Control V13 - Appendix

S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
321
Appendix
A
A.1
Tags of the technology object SpeedAxis
A.1.1
Legend
Tag
Name of the tag
Data type
Data type of the tag
Values Value range of the tag - minimum value to maximum value
If no specific value is shown, the value range limits of the relevant data type apply or the information under
"Description".
W
Effectiveness of changes in the technology data block
DIR Immediate:
Changes to the value are made with a direct assignment and are immediately effective.
RES Restart:
Changes to the start value in load memory are made using the extended instruction "WRIT_DBL"
(write to DB in load memory). Changes will not take effect until after restart of the technology object.
RON Read only:
The tag cannot and must not be changed.
Description
Description of the tag
L - Linear specification R - Rotary specification
Access to the tags is with "<TO>.<tag name>". The placeholder <TO> represents the name
of the technology object.
A.1.2
Actual values and setpoints (speed axis)
The following tags indicate the setpoint and actual values of the technology object.
Tags
Legend (Page 321)
Tag
Data type
Values
W
Description
Velocity
LREAL
-
RON
Setpoint velocity / setpoint speed
ActualSpeed LREAL - RON Actual speed of the motor
(with analog setpoint = 0.0)
Acceleration
LREAL
-
RON
Setpoint acceleration