Rockwell Automation Publication 1756-RM003N-EN-P - October 2011 197
Input/Output Instructions (MSG, GSV, SSV, IOT) Chapter 4
The GSV/SSV Objects section shows each object’s attributes and their associated
data types. For example, the MajorFaultRecord attribute of the Program object
needs a DINT[11] data type.
Arithmetic Status Flags: Not affected
Fault Conditions:
Execution:
A minor fault will occur if Fault type Fault code
Invalid object address 4 5
Specified an object that does not support
GSV/SSV
46
Invalid attribute 4 6
Did not supply enough information for an
SSV instruction
46
The GSV destination was not large enough to hold the
requested data
47
Condition Relay Ladder Action Structured Text Action
Prescan The rung-condition-out is set to false. No action taken
Rung-condition-in is false The rung-condition-out is set to false. N/A
Rung-condition-in is true The instruction executes.
The rung-condition-out is set to true.
N/A
EnableIn is set N/A EnableIn is always set.
The instruction executes.
Instruction executes Get or set the specified value. Get or set the specified value.
Postscan The rung-condition-out is set to false. No action taken.
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