Serial Fcm I/ Fcm Ii Communications, Com 0, Rs485; Figure 4.3 Fcm Connections - Toptech MultiLoad III Installation Manual

CHAPTER 4– DATA COMMUNICATIONS INTERFACE

Serial FCM I/ FCM II Communications, COM 0, RS485

FCM I and FCM II modules communicate with the MultiLoad III/RCU III DIV2 Hardware using the
COM0. This is a dedicated communication line.
The FCMII modules linked to a specific MultiLoad III/RCU III DIV2 Hardware are all on an RS485
bus connected to the COM 0 port.
The TD and RD pairs are swapped at the MultiLoad II.
All FCMs must be uniquely addressed.
MultiLoad III
COM 0
TDA
TDB
RDA
RDB
27
Figure 4.3
MultiLoad III/RCU III DIV2 Hardware Installation Guide - Part # 6074
FCM #0
RDA
RDB
TDA
TDB
FCM Connections
FCM #n
RDA
RDB
TDA
TDB