Date Code 20010518
Modbus
®
RTU Communications Protocol
E-11
SEL-501-2 (MB2/MB4) Instruction Manual
7KHUHOD\UHVSRQVHWRWKHHUURUVLQWKHTXHU\DUHVKRZQEHORZ
(UURU
(UURU&RGH5HWXUQHG
&RPPXQLFDWLRQ
&RXQWHU,QFUHPHQWV
)RUPDWHUURU
,OOHJDO'DWD9DOXHK
%DG3DFNHW)RUPDW
08h Loopback Diagnostic Command
7KH6(/5HOD\XVHVWKLVIXQFWLRQWRDOORZD0RGEXVPDVWHUWRSHUIRUPDGLDJQRVWLFWHVWRQ
WKH0RGEXVFRPPXQLFDWLRQVFKDQQHODQGUHOD\:KHQWKHVXEIXQFWLRQILHOGLVKWKHUHOD\
UHWXUQVDUHSOLFDRIWKHUHFHLYHGPHVVDJH
7DEOH( K/RRSEDFN'LDJQRVWLF&RPPDQG
%\WHV
)LHOG
5HTXHVWVIURPWKHPDVWHUPXVWKDYHWKHIROORZLQJIRUPDW
E\WH
6ODYH$GGUHVV
E\WH
)XQFWLRQ&RGHK
E\WHV
6XEIXQFWLRQK
E\WHV
'DWD)LHOG
E\WHV
&5&
$VXFFHVVIXOUHVSRQVHIURPWKHVODYHZLOOKDYHWKHIROORZLQJIRUPDW
E\WH
6ODYH$GGUHVV
E\WH
)XQFWLRQ&RGHK
E\WHV
6XEIXQFWLRQK
E\WHV
'DWD)LHOG,GHQWLFDOWRGDWDLQPDVWHUUHTXHVW
E\WHV
&5&
7KHUHOD\UHVSRQVHWRWKHHUURUVLQWKHTXHU\DUHVKRZQEHORZ
(UURU
(UURU&RGH5HWXUQHG
&RPPXQLFDWLRQ
&RXQWHU,QFUHPHQWV
,OOHJDO
VXEIXQFWLRQFRGH
,OOHJDO'DWD9DOXHK
,OOHJDO)XQFWLRQ
&RGH2S&RGH
)RUPDWHUURU
,OOHJDO'DWD9DOXHK
%DG3DFNHW)RUPDW
Содержание SEL-501-2
Страница 8: ......
Страница 10: ......
Страница 18: ......
Страница 20: ......
Страница 30: ......
Страница 50: ......
Страница 68: ......
Страница 74: ......
Страница 82: ......
Страница 88: ......
Страница 92: ......
Страница 100: ......
Страница 102: ......
Страница 140: ......
Страница 142: ... Date Code 20010518 FRONT PANEL FUNCTION DRAWING ...