Output Ramping Rate Limiting
Output Ramping Rate Limiting limits the speed at which an analog output signal can
change. This prevents fast transitions in the output from damaging the devices that an
output module controls.
Output Ramping | Scenario in which Output Ramping Rate Limiting applies |
|---|---|
Ramp in Run Mode | When the output value changes to the new output value received from
the owner-controller in Run Mode. |
Ramp to Program Mode | When the present output value changes to the Program value after a
Program command is received from the controller. |
Ramp to Fault Mode and Final Fault State | When the present output value changes to the Fault value after a
communication fault occurs. |
In Module Properties dialog, go to Chxx - Limits view to configure the Output Ramping
Rate Limiting parameters.
The maximum rate of change in outputs is expressed in engineering units per second and
set in the Ramp Rate field.
IMPORTANT:
When HART is enabled, the max ramping rate
allowed in Run Mode is 833.33%/s.
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