Schneider Electric Modbus Plus Network Bridge Multiplexer none User Manual
Page 33
Device Addressing and Message Routing
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Here are examples of routing between peer, master, and slave devices.
From
To
Routing Path
CPU A (Primary)
Slave A
5
2
0
0
0
50
5
3
50
0
0
CPU C
25
2
0
0
0
SA85 (Task 1)
25
30
1
0
0
Slave B
25
4
2
0
0
200
25
4
3
200
0
CPU C
SA85 (Task 2)
30
2
0
0
0
Slave B
4
2
0
0
0
200
4
3
200
0
0
CPU A (Primary)
24
8
0
0
0
CPU B (Standby)
24
40
0
0
0
100
24
5
3
100
0
SA85
Slave B
4
2
0
0
0
150
4
3
150
0
0
CPU C
2
0
0
0
0
CPU A (Primary)
24
8
0
0
0
50
24
5
3
50
0
If Masters A, B, and C are programming panels such as the Modicon
P230, they can attach to various devices using Direct, Implicit, or MUX
addressing, or mapped routing:
From
To
Address
Routing Method
Master A
CPU A (Primary)
8
Attach
Direct
8 0 0 0 0
Slave A
72
Attach
MUX
Internal Path
CPU C
252
Attach
Implicit
252/10 = 25 2 0 0 0
50
50
Attach
Mapped
0 3 50 0 0
200
200
Attach
Mapped
25 4 3 200 0
Master B
CPU C
2
Attach
Direct
2 0 0 0 0
Slave B
72
Attach
MUX
Internal Path
CPU A (Primary)
248
Attach
Implicit
248/10 = 24 8 0 0 0
200
200
Attach
Mapped
0 3 200 0 0
50
100
Attach
Mapped
24 5 3 50 0
Master C
CPU A (Primary)
248
Attach
Implicit
248/10 = 24 8 0 0 0
CPU B (Standby)
71
Attach
Mapped
24 40 0 0 0
Slave A
72
Attach
Mapped
24 5 2 0 0
Slave B
73
Attach
Mapped
4 2 0 0 0
150
74
Attach
Mapped
4 3 150 0 0