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Device Addressing and Message Routing

890 USE 103 00

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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