GE B90 Instruction Manual page 278
Ur series
low impedance bus
differential system
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Also See for B90:
- Instruction manual (510 pages) ,
- Communications manual (532 pages) ,
- Instruction manual (440 pages)
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7.2 TARGETS
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Description of problem: One or more GOOSE devices are not responding.
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How often the test is performed: Event driven. The test is performed when a device programmed to receive GOOSE
messages stops receiving. This can be from 1 to 60 seconds, depending on GOOSE packets.
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What to do: Check GOOSE setup.
TEMP MONITOR:
OVER TEMPERATURE
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Latched target message: Yes.
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Description of problem: The ambient temperature is greater than the maximum operating temperature (+80°C).
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How often the test is performed: Every hour.
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What to do: Remove the B90 from service and install in a location that meets operating temperature standards.
UNEXPECTED RESTART:
Press "RESET" key
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Latched target message: Yes.
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Description of problem: Abnormal restart from modules being removed or inserted while the B90 is powered-up, when
there is an abnormal DC supply, or as a result of internal relay failure.
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How often the test is performed: Event driven.
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What to do: Contact the factory.
7
7-8
B90 Low Impedance Bus Differential System
7 COMMANDS AND TARGETS
GE Multilin
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