BM85 Modbus Plus Network Bridge Multiplexer User's Guide

Device Addressing and Message Routing
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2.1 Modbus Plus Message Routing Paths
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MESSAGE FRAME
ROUTING
PATH
ROUTING ADDRESS 1
ROUTING ADDRESS 2
ROUTING ADDRESS 3
ROUTING ADDRESS 4
ROUTING ADDRESS 5
MODBUS PLUS
EXAMPLE:
ROUTING ADDRESS 1 = 25
ROUTING ADDRESS 2 = 20
ROUTING ADDRESS 3 = 12
ROUTING ADDRESSES 4, 5 = 0
(NO FURTHER ROUTING)
START
END
Figure 4 Message Frame Routing Path Field
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2.1.1 Routing to Programmable Controllers
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