Process Control Instructions
Rockwell Automation Publication 1756-RM006K-EN-P - November 2018 211
Input Parameters Data
Type
Description Values
CV3HLimit REAL CV3 high limit value. This is used to set the
CV3HAlarm output. It is also used for limiting CV3
when in Auto mode or in Manual if
CVManLimiting is TRUE.
• If CV3LLimit < 0, if CV3HLimit > 100, if
CV3HLimit < CV3LLimit, set bit in Status.
• If CV3HLimit < CV3LLimit, limit CV3 by using
the value of CV3LLimit.
Valid = CV3LLimit <
CV3HLimit ≤ 100.0
Default = 100.0
CV1LLimit REAL CV1 low limit value. This is used to set the
CV1LAlarm output. It is also used for limiting CV1
when in Auto mode or in Manual mode if
CVManLimiting is TRUE.
• If CV1LLimit < 0, if CV1HLimit > 100, if
CV1HLimit < CV1LLimit, set bit in Status.
• If CV1HLimit < CV1LLimit, limit CV1 by using
the value of CV1LLimit.
Valid = 0.0 ≤ CV1LLimit <
CV1HLimit
Default = 0.0
CV2LLimit REAL CV2 low limit value. This is used to set the
CV2LAlarm output. It is also used for limiting CV2
when in Auto mode or in Manual mode if
CVManLimiting is TRUE.
• If CV2LLimit < 0, if CV2HLimit > 100, if
CV2HLimit < CV2LLimit, set bit in Status.
• If CV2HLimit < CV2LLimit, limit CV2 by using
the value of CV2LLimit.
Valid = 0.0 ≤ CV2LLimit <
CV1HLimit
Default = 0.0
CV3LLimit REAL CV3 low limit value. This is used to set the
CV3LAlarm output. It is also used for limiting CV3
when in Auto mode or in Manual mode if
CVManLimiting is TRUE.
• If CV3LLimit < 0, if CV3HLimit > 100, if
CV3HLimit < CV3LLimit, set bit in Status.
• If CV3HLimit < CV3LLimit, limit CV by using
the value of CV3LLimit.
Valid = 0.0 ≤ CV3LLimit <
CV1HLimit
Default = 0.0
CV1ROCPosLimit REAL CV1 rate of change limit, in percent per second.
Rate of change limiting is only used when in Auto
mode or in Manual mode if CVManLimiting is
TRUE. A value of zero disables CV1 ROC limiting.
If value of CV1ROCLimit < 0, set bit in Status and
disable CV1 ROC limiting.
Valid = 0.0 to maximum
positive float
Default = 0.0
CV2ROCPosLimit REAL CV2 rate of change limit, in percent per second.
Rate of change limiting is only used when in Auto
mode or in Manual mode if CVManLimiting is
TRUE. A value of zero disables CV2 ROC limiting.
If value of CV2ROCLimit < 0, set bit in Status and
disable CV2 ROC limiting.
Valid = 0.0 to maximum
positive float
Default = 0.0
CV3ROCPosLimit REAL CV3 rate of change limit, in percent per second.
Rate of change limiting is only used when in Auto
mode or in Manual mode if CVManLimiting is
TRUE. A value of zero disables CV3 ROC limiting.
If value of CV3ROCLimit < 0, set bit in Status and
disable CV3 ROC limiting.
Valid = 0.0 to maximum
positive float
Default = 0.0
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