Figure 3.1 Rs485 4-Wire, Host To A Single Multiload Ii/ Rcu Ii (Recommended); Figure 3.2 Rs485 4-Wire, Host To Multiple Multiload Ii/ Rcu Iis - Toptech MultiLoad II Mobile Installation Manual

Chapter 3 – Data Communications Interface
Host/TMS Communications (COM 1 - RS-485 4-wire)
The Host/TMS Computer System can be connected to the MultiLoad II/ RCU II via RS485 4-wire on COM 1.
The TD and RD pairs are swapped at the Host/TMS.
Figure 3.1
Host/TMS
RS485
TDA
TDB
RDA
RDB
MultiLoad II Mobile Installation Guide: Version C
Host/TMS
RS485
TDA
TDB
RDA
RDB
RS485 4-Wire, Host to a Single MultiLoad II/ RCU II (recommended)
Figure 3.2 RS485 4-Wire, Host to Multiple MultiLoad II/ RCU IIs
MultiLoad II/
RCU II #1 COM
RDA
RDB
TDA
TDB
MultiLoad II/
RCU II COM 1
RDA
RDB
TDA
TDB
MultiLoad II/
RCU II #n COM 1
13
RDA
RDB
TDA
TDB