198 Rockwell Automation Publication 1756-RM003N-EN-P - October 2011
Chapter 4 Input/Output Instructions (MSG, GSV, SSV, IOT)
GSV/SSV Objects
When you enter a GSV/SSV instruction, you specify the object and its attribute
that you want to access. In some cases, there will be more than one instance of the
same type of object, so you might also have to specify the object name. For
example, there can be several tasks in your application. Each task has its own
TASK object that you access by the task name.
You can access these objects.
ATTENTION: For the GSV instruction, only the specified size of
data is copied to the destination. For example, if the attribute is
specified as a SINT and the destination is a DINT, only the lower 8
bits of the DINT destination are updated, leaving the remaining 24
bits unchanged.
Table 5 - GSV/SSV Objects
For information about this object See this page or publication
AddOnInstructionDefinition 199
Axis See the SERCOS Motion Configuration and
Startup User Manual,
publication MOTION-UM001
.
Axis_Consumed
Axis_Generic
Axis_Generic_Drive
Servo
Servo_Drive
Virtual
Axis_CIP_Drive See the CIP Motion Configuration and Startup
User Manual,
publication MOTION-UM003
.
Controller 199
ControllerDevice 201
CoordinateSystem See the Motion Coordinate System User Manual,
publication MOTION-UM002
.
CST 202
DF1 203
FaultLog 205
Message 205
Module 206
MotionGroup See the Motion Reference Manual,
publication MOTION-RM001
.
Program 207
Redundancy See the ControlLogix Enhanced Redundancy
System User Manual,
publication 1756-UM535
.
Routine 208
SafetyAddonInstructionDefinition,
SafetyController, SafetyProgram, SafetyRoutine,
SafetyTask.
See the GuardLogix Controllers User Manual,
publication 1756-UM020
.
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