Process Control Instructions
32 Rockwell Automation Publication 1756-RM006K-EN-P - November 2018
Command1Status BOOL Device state 1 command status. True when
the device is being commanded to the 1
state; false when the device is being
commanded to some other state.
Command2Status BOOL Device state 2 command status. True when
the device is being commanded to the 2
state; false when the device is being
commanded to some other state.
FaultAlarm BOOL Fault alarm output. True if the device has
been commanded to a new state, and the
FaultTime has expired without the feedback
indicating that the new state has actually
been reached. Also set to true if, after
reaching a commanded state, the feedbacks
suddenly indicate that the device is no
longer in the commanded state.
ModeAlarm BOOL Mode alarm output. True if the device is in
operator control and a ProgxCommand input
requests a state which is different from the
state currently commanded by the operator.
This alarm is intended as a reminder that a
device was left in Operator control.
ProgOper BOOL Program/operator control indicator. True
when in Program control. False when in
Operator control.
Override BOOL Override mode. True when the device is in
the Override mode.
Hand BOOL Hand mode. True when the device is in the
Hand mode.
Status DINT Status of the function block.
InstructFault (Status.0) BOOL The instruction detected one of the following
execution errors. This is not a minor or major
controller error. Check the remaining status
bits to determine what occurred.
FaultTimeInv (Status.1) BOOL Invalid FaultTime value. The instruction sets
FaultTime = 0.
OverrideStateInv (Status.2) BOOL The Override value is out of range. It
prevents the instruction from entering the
Override state.
ProgCommandInv (Status.3) BOOL Multiple program state command bits are set
at the same time. Refer to Commanded State
in Program Control section.
OperReqInv (Status.4) BOOL Multiple operator state request bits are set at
the same time. Refer to Commanded State in
Program Control section.
HandCommandInv (Status.5) BOOL Multiple hand feedback state request bits are
set at the same time.
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