Ramp Differential Expansion Monitor Operation
LED DISPLAY
A
B
CONDITION
OK
RELAY DRIVE *
•
OK
•
CHANNEL A AND B IN OPERATING RANGE
ON
•
0
OK
OK
0
•
RESPECTIVE CHANNEL A OR B TRANSDUCER
IN NOT OK CONDITION. *
OFF *
0
OK
0
MONITOR IN SELF TEST, OR BOTH
TRANSDUCERS IN NOT OK CONDITION OR
BYPASSED. *
OFF *
*
OK
0
FLASHING AT 5 Hz = ERROR ENCOUNTERED
DURING CYCLIC TEST. READ ERROR MESSAGE
SEE SECTION 12.
ON
•
OK
FLASHING AT 1 Hz = TRANSDUCER
HAS BEEN NOT OK SINCE LAST
RESET.
ON
•
84413-01
5
OK
NOTE: EACH CHANNEL IN THE SYSTEM CONTROLS THE OK RELAY. THEREFORE, EITHER CHANNEL CAN CAUSE A
NOT OK RELAY CONDITION (DEENERGIZED RELAY)
* MONITOR CAN BE BYPASSED TO RESTORE RELAY OK CONDITIONS TO THE REST OF THE RACK
•
•
•
6
Содержание 3300/46
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Страница 30: ...3300 46 RAMPDIFFERENTIAL EXPANSION MONITOR MAINTENANCE MANUAL BENTLY r NEVADA PART NO 84414 01...
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Страница 74: ...Ramp Differential Expansion Monitor Maintenance Appendix SCHEMATICS AND PWA DRAWINGS 84414 01 Appendix...
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Страница 84: ...I 1 I E l i l t L_ C I i J _ 1 _ 1 I Ramp Differential Expansion Monitor Schematic Block Diagram Sheet 10 of 11...