3.4.2Port Type
Master
A port to which a single Modbus master device such as an IBM PC or Modicon P230 Programmer is to be connected. In FigBure port is an example.
Slave
A port to which a single Modbus slave device such as a programmable controller is to be connected. In Figure port 2B is an example.
Network
A port to which multiple Modbus slave devices are to be connected. In Figure port 3 is an example.
Silent Master Network
A port to which one Modbus master device and one or more slave devices are to be connected. In Figure port 4 is an examBple.
MODBUS PLUS
MASTER
SLAVE
NETWORK
SLAVE
NETWORK
SLAVE
BM85
BRIDGE
MULTIPLEXER
1 2 3 4
984±785
CONTROLLER
NETWORK
MASTER
NETWORK
SLAVE
NETWORK
SLAVE
Figure 9 BM85 Modbus Port Types
30 Configuring the Modbus Models
890 USE 103 00
