Appendix
A.3 Tags of the technology object external encoder
S7-1500 Motion Control V13 Update 3
Function Manual, 07/2014, A5E03879256-AC
359
A.3.2
Actual values and setpoints (external encoder)
The following tags indicate the setpoint and actual values of the technology object.
Tags
Tag
Data type Values
W
Description
ActualPosition
LREAL
-
RON Actual position
ActualVelocity
LREAL
-
RON Actual velocity
ActualAcceleration
LREAL
-
RON Actual acceleration
A.3.3
Sensor tags (external encoder)
The tag structure <TO>.Sensor.<tag name> contains the CPU-side configuration for the
encoder, and the configuration for active and passive homing.
Tags
Tag
Data type Values
W
Description
Sensor.
STRUCT
Type
DINT
-
RES Encoder type
0: Incremental
1: Absolute
2: Cyclically absolute
InverseDirection
BOOL
-
RES Inversion of the actual value
FALSE: no
TRUE: yes
System
DINT
-
RES Encoder system
0: Linear encoder
1: Rotary encoder
MountingMode
DINT
-
RES Mounting type of the encoder
0: Incremental
1: Absolute
2: External