Schneider Electric BM85 manual Routing Examples

2.3 Routing Examples

Figure 8 illustrates message routing across two networks.

M

= MODEM

							MODBUS PLUS NETWORK (UP TO 64 NODES)
				5		8				40 (NOTE 1)
			BM85					CPU A	CPU B
		BRIDGE
	MULTIPLEXER							PRIMARY	STANDBY
1		2		3	4

MASTER

A

SLAVE

A

NETWORK

SLAVE 50

NETWORK

SLAVE 100

M

M

M

4

HOT STANDBY	25
CONFIGURATION

BP85

BRIDGE

PLUS

24

MODBUS PLUS NETWORK (UP TO 64 NODES)

30 2

BM85

BRIDGE

MULTIPLEXER

1 2 3 4

SA85

NETWORK ADAPTER

CPU C

MASTER

B

SLAVE

B

NETWORK

SLAVE 150

NETWORK

SLAVE 200

M

M

M

	BRIDGE
TASKS: 1
	MODE
2

MASTER

C

NOTES:

1. STANDBY UNIT ASSUMES PRIMARY ADDRESS PLUS 32.

Figure 8 Routing Examples

22 Device Addressing and Message Routing

890 USE 103 00