![Yamatake DigitroniK DCP32 Скачать руководство пользователя страница 53](http://html.mh-extra.com/html/yamatake/digitronik-dcp32/digitronik-dcp32_user-manual_905225053.webp)
Chapter 4. WIRING
●
3-lead RS-485 mutual connection
Handling Precautions
In this connection, the Yamatake CMA50A105 cannot be used as either a
slave or a host station converter.
Provide terminators of resistance 150
Ω
±5%, 1/2 W min. at both ends of the
communications path.
Grounding of the shielded FG terminal should be carried out at only one end and
not both ends.
When there are only three RS-485 terminals, terminals marked
*
are wired
internally.
SDA
SDB
RDA
RDB
SG
SDA
Shielded
cable
SDB
RDA
RDB
SG
Shielded cable
Shielded cable
Master station
*
Terminator
Terminator
Slave station DCP32
SDA
SDB
RDA
RDB
SG
RDA
RDB
SDA
SDB
SG
FG
Slave station DCP32
Slave station DCP32
*
57
58
59
60
61
FG
57
58
59
60
61
FG
57
58
59
60
61
FG
4-21