4 modbus port parameters – Schneider Electric Modicon BM85 User Manual

Page 39

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Configuring the Modbus Models

890 USE 103 00

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3.4 Modbus Port Parameters

3.4.1

Information You Will Need

You will need the following information for each port that you will use in

your application. Parameters are explained in the sections indicated.

Port Type (see Section 3.4.2)

Modbus Master

Modbus Slave

Modbus Network

Modbus `Silent Master' Network

Slave Device Address (see Section 3.4.3)

1 ... 247

Communication Parameters (see Section 3.4.4)

Baud Rate: 50 ... 19200

Stop Bits: 1 or 2

Parity Mode: Even, Odd, or None

Communication Mode: ASCII or RTU

Note: Models NW-BM85C002 and NW-BM85D008 do not have a

Stop Bits setting. These models default to 8 data bits with 1 Stop Bit.

Port Priority (see Section 3.4.5)

1 ... 4

Link Timeout (see Section 3.4.6)

1 ... 3000 multiples of 100 milliseconds

Modem Booster (see Section 3.4.7)

Yes or No

Modbus Plus Address Table (see Section 3.4.8)

A routing table with up to 64 entries for translating Modbus addresses

to Modbus Plus network routing paths.

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