Toptech RCU II DIV2 - 4.2.2.2 RS-485 2-Wire Host Connection

24
Figure 4.3 RS485 4-Wire, Host to Multiple MultiLoad II/ RCU IIs
4.2.2.2 COM 1 - RS-485 2-Wire: Host/TMS Communications
The Host/TMS Computer System can be connected to the MultiLoad II/ RCU II via RS485 2-Wire
on COM 1.
The TD and RD pairs tied together at the Host/TMS and all MultiLoad II/ RCU IIs.
Figure 4.4 RS485 2-Wire, Host to a Single MultiLoad II/ RCU II
TDA
TDB
RDA
RDB
RDA
RDB
TDA
TDB
RDA
RDB
TDA
TDB
TDA
TDB
RDA
RDB
RDA
RDB
TDA
TDB
MultiLoad II/
RCU II COM 1
Host/TMS
RS485