Emerson Rosemount 2140, Справочное руководство, Страница: 94 / 144

84
Reference Manual
00809-0100-4140, Rev AA
Operation and Maintenance
January 2017
Operation and Maintenance
Table 5-1. Sensor Status Logic (Normal Mode)
Table 5-2. Sensor Status Logic (Enhanced Mode, Fault = Wet)
Table 5-3. Sensor Status Logic (Enhanced Mode, Fault = Dry)
Sensor Status Sensor State
(1)
1. Sensor Fault Delay ( page 22 ) does not delay the update of Sensor State when the operation mode is normal.
Current Output
Operating Mode PV (Output State)
Valid Dry Wet on Off (0.0)
Valid Dry Dry on On (1.0)
Valid Wet Wet on On (1.0)
Valid Wet Dry on Off (0.0)
Sensor Status Sensor State
(1)
1. Sensor Fault Delay ( page 22 ) delays the update of Sensor State when the operation mode is enhanced.
Current Output
Operating Mode PV (Output State)
Valid Dry Wet on Off (0.0) (2)
2. PV is not changed.
Valid Dry Dry on On (1.0)
(2)
Fault Too Dry Wet on On (1.0)
(3)
3. PV is automatically changed to on (1.0).
Valid Wet Wet on On (1.0)
(2)
Valid Wet Dry on Off (0.0) (2)
Fault Too Wet Dry on On (1.0)
(3)
Fault Zero Wet on On (1.0)
(3)
Sensor Status Sensor State
(1)
1. Sensor Fault Delay ( page 22 ) delays the update of Sensor State when the operation mode is enhanced.
Current Output
Operating Mode PV (Output State)
Valid Dry Wet on Off (0.0)
(2)
2. PV is not changed.
Valid Dry Dry on On (1.0)
(2)
Fault Too Dry Wet on Off (0.0)
(3)
3. PV is automatically changed to off (0.0).
Valid Wet Wet on On (1.0) (2)
Valid Wet Dry on Off (0.0)
(2)
Fault Too Wet Wet on Off (0.0)
(3)
Fault Zero Wet on Off (0.0)
(3)