Eos –Gate Installation and operation manual
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7.11 A110 – Checking RS-485 network
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Use case name
Checking RS-485 network
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Use case ID
A110
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Description
This use case covers the RS-485 checking guidelines in the case of
connectivity related problems
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Use case goal
The Eos-Gate is successfully connected to RS-485
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Primary actors
Eos-Gate, User’s PC
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Secondary actors
RS-485 bus
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Pre-conditions
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Post-conditions
Success end conditions:
•
The Eos-Gate is successfully connected to RS-485 bus
Failure end conditions:
•
The Eos- Gate cannot be successfully connected to RS-485
bus
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Trigger
A10, A15
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Scenario description
•
Carefully check correct cable type being in use
•
Carefully check for a correct physical connection
•
Carefully check for a correct network topology
•
Carefully check for RS-485 grounding
•
Check for RS-485 issues on every device in the LAN path under
exam
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Special
requirements
Note: for further information about the solution of LAN related
issues, please read the appendix “MODBUS over RS-485 serial
line” at the end of this document
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Information