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CIP Axis Attributes
Chapter 4
Rockwell Automation Publication MOTION-RM003I-EN-P - February 2018
207
Control Axis.
Position Trim
Usage
Access
T Data
Type
Default
Min
Max
Semantics of Values
Required - P Set/SSV
T REAL
0
-maxpos
maxpos
Position Units
The Position Trim attribute is an additional position command added to the
Position Command to generate the Position Reference signal into the position
loop summing junction.
Position Reference
Usage
Access
T Data
Type
Default
Min
Max
Semantics of Values
Required - P
Set/GSV
T REAL
-
-
-
Position Units
The Position Reference attribute is the command position reference signal into
the position loop summing junction to be compared with a position feedback
signal.
Velocity Feedforward Command
Usage
Access
T Data
Type
Default
Min
Max
Semantics of Values
Required - P
Get/GSV
T REAL
-
-
-
Velocity Units
The Velocity Feedforward Command attribute is a command signal that
represents a scaled version of the command velocity profile. This signal is the
Velocity Fine Command signal scaled by Velocity Feedforward Gain and applied
to the output of the position loop.
Position Error
Usage
Access
T Data
Type
Default
Min
Max
Semantics of Values
Required - P
Get/GSV
T REAL
-
-
-
Position Units
The Position Error attribute is the error between commanded and actual position
that is the output of the position loop summing junction.
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Страница 496: ...Index 496 Rockwell AutomationPublicationMOTION RM003I EN P February 2018 D device functioncodes 96 E exceptions 496 ...