Appendix
A.1 Tags of the technology object SpeedAxis
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
325
A.1.8
Override tags (speed axis)
The tag structure <TO>.Override.<tag name> contains the configuration for the override
parameters. The override parameters are used to apply a correction percentage to default
values. An override change takes effect immediately, and is performed with the dynamic
settings in effect in the Motion Control instruction.
Tags
Tag
Data type Values
W
Description
Override.
STRUCT
Velocity
LREAL
0.0 to 200.0%
DIR Velocity or speed override
Percentage correction of the velocity/speed
A.1.9
StatusDrive tags (speed axis)
The tag structure <TO>.StatusDrive.<tag name> indicates the status of the drive.
Tags
Tag
Data type Values
W
Description
StatusDrive.
STRUCT
InOperation
BOOL
-
RON Operational status of the drive
FALSE: Drive not ready. Setpoints will not be exe-
cuted.
TRUE: Drive ready. Setpoints can be executed.
CommunicationOK
BOOL
-
RON Cyclic BUS communication between controller and
drive
FALSE: Not established
TRUE: Established
Error
BOOL
-
RON FALSE: No error at the drive
TRUE: Error at the drive