EverFocus EFC304 - Page 34

NAV IP Access controller
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25
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Figure3‐4ConnectionstoMultipleControllersviaRS485
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Inordertocorrectlytransferdata,thecontrollersontheRS485busmustbeconnectedinadaisychain
format,asshowninFigure3.5.
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Figure3‐5TheDais yChainConnectionControll ertoController
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TwocommonINCORRECTconnectionmethodsaredisplayedinFigure3‐6aswell.
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Figure3‐6TwoINCORRECTConnections 
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ENT
ARM
EverAccess
0
CLR
WXYZT U VPQRS
M N OJ K LG H I
3
D E FA B C
2
1
4
56
98
7
SYS SYS
7
89
65
4
1
2
A B C D E F
3
G H I J K L M N O
PQRS T U V WXYZ
CLR
0
SYS
7
89
65
4
1
2
A B C D E F
3
G H I J K L M N O
PQRS T U V WXYZ
CLR
0
ENT
ARM
EverAccess EverAccess
ARM
ENT
EverAccess
SYS
7
89
65
4
1
2
A B C D E F
3
G H I J K L M N O
PQRS T U V WXYZ
CLR
0
ARM
ENTENT
ARM
EverAccess
ENT
ARM
EverAccess
SYS
7
89
65
4
1
2
A B C D E F
3
G H I J K L M N O
PQRS T U V WXYZ
CLR
00
CLR
WXYZT U VPQRS
M N OJ K LG H I
3
D E FA B C
2
1
4
56
98
7
SYS
0
CLR
WXYZT U VPQRS
M N O
J K L
G H I
3
D E FA B C
2
1
4
5
6
98
7
SYS
SYS
7
89
6
5
4
1
2
A B C D E F
3
G H I
J K L
M N O
PQRS T U V WXYZ
CLR
0
ENT
ARM
EverAcce ssEverAcces s
ARM
ENT
EverAcc ess
ARM
ENT
EverAcce ss
ENT
ARM
0
CLR
WXYZT U VPQ RS
M N O
J K L
G H I
3
D E FA B C
2
1
4
5
6
98
7
SYS
SYS
7
89
65
4
1
2
A B C D E F
3
G H I J K L M N O
PQRS T U V WXYZ
CLR
0