Instruction Manual
D103785X012
Device Information, Diagnostics, and Alerts
June 2017
58
Travel
Note
The Travel Alert Deadband applies to the Travel Deviation Alert as well as the Travel Alert Hi, Lo, Hi Hi, and Lo Lo.
D Travel Deviation Alert—If the difference between the Travel Target and the Travel exceeds the Travel Deviation Alert
Point for more than the Travel Deviation Time, the Travel Deviation Alert is active. It remains active until the
difference between the travel target and the Travel is less than the Travel Deviation Alert Point minus the Travel
Alert Deadband.
D Travel Alert Hi—This alert is active when the Travel exceeds the Travel Alert Hi Point. Once the alert is active, the
alert will clear when the Travel falls below the Travel Alert Hi Point minus the Travel Alert Deadband. See figure 5‐1.
Figure 5‐1. Travel Alert Deadband
ALERT IS CLEARED
ALERT IS SET
TRAVEL ALERT
HIGH POINT
TRAVEL ALERT
DEADBAND
A6532
D Travel Alert Hi Hi—This alert is active when the Travel exceeds the Travel Alert Hi Hi Point. Once the alert is active,
the alert will clear when the Travel falls below the Travel Alert Hi Hi Point minus the Travel Alert Deadband.
D Travel Alert Lo—This alert is active when the Travel is below the Travel Alert Lo Point. Once the alert is active, the
alert will clear when the Travel exceeds the Travel Alert Lo Point plus the Travel Alert Deadband.
D Travel Alert Lo Lo—This alert is active when the Travel is below the Travel Alert Lo Lo Point. Once the alert is active,
the alert will clear when the Travel exceeds the Travel Alert Lo Lo Point plus the Travel Alert Deadband.
D Travel Limit/Cutoff Hi Alert—This alert is active when the Travel exceeds the Hi Limit/Cutoff Point.
D Travel Limit/Cutoff Lo Alert—This alert is active when the Travel falls below the Lo Limit/Cutoff Point.
D Integrator Saturated High Alert—This alert is active if the instrument integrator is saturated at the high extreme.
D Integrator Saturated Low Alert—This alert is active if the instrument integrator is saturated at the low extreme.
D Pressure Fallback Active Alert—This alert is active when the instrument has detected a problem with the travel
feedback and is now controlling the output like an I/P transducer.
To Next Page
Loading...
Need help?
General
