Basics
3.10 Drive and encoder connection
S7-1500 Motion Control V13 Update 3
32
Function Manual, 07/2014, A5E03879256-AC
3.10.4
Tags
The following technology object tags are relevant for the connection of drives and encoders:
Drive frame
<TO>.Actor.Interface.Telegram
Frame number
<TO>.Actor.DriveParameter.Reference
Speed
Reference velocity / reference speed for the velocity /
speed (NSET), which is transmitted as a percentage
value
<TO>.Actor.DriveParameter.MaxSpeed
Maximum value for the setpoint speed of the drive
(NSET)
(PROFIdrive
: MaxSpeed ≤ 2 × ReferenceSpeed
Analog setpoint: MaxSpeed ≤ 1.17 × ReferenceSpeed)
Encoder frame
<TO>.Sensor[n].Interface.Telegram
Frame number
<TO>.Sensor[n].System
Encoder system linear or rotary
<TO>.Sensor[n].Type
Encoder type, incremental, absolute or cyclically abso-
lute
<TO>.Sensor[n].Parameter.StepsPer
Revolution
Increments per revolution for rotary encoder
<TO>.Sensor[n].Parameter.Determinable
Revolutions
Number of differentiable encoder revolutions for a multi-
turn absolute value encoder
<TO>.Sensor[n].Parameter.Resolution
Resolution for linear encoder
The grid spacing corresponds to the interval between
two marks.
Fine resolution
<TO>.Sensor[n].Parameter.FineResolution
Xist1
Number of bits for fine resolution XIST1 (cyclic actual
encoder value)
<TO>.Sensor[n].Parameter.FineResolution
Xist2
Number of bits for fine resolution XIST2 (absolute value
of the encoder)