Configuring the Bridge

3.7Option 2: Serial and Mode Settings

When you select option 2 on the Configuration Menu, the Bridge displays its current serial port settings. Here is an example:

Attached Device (1=Slave, 2=Master) (001):

Serial Protocol (1=Modbus/RTU, 2=Modbus/ASCII) (001):

Interface Type (1=RS232, 2=RS422, 3=RS485) (001):

Enter Serial Parameters (9600,8,E,1):

Attached Device

Identify the type of Modbus device (Slave or Master) attached to the Bridge's serial port. The default is Slave.

Serial Protocol

Identify the type of Modbus protocol (RTU or ASCII) to be used at the serial port. The default is RTU.

Interface Type

Identify the type of communication interface (RS232, RS422 or RS485) used at the serial port. The default is RS232.

Enter Serial Parameters

Enter the serial communication parameters used at the port, delimited by commas:

<baudrate>,<databits>,<parity>,<stopbits>

The defaults are: 9600,8,E,1.

The allowed values are:

HBaud rate: 300, 1200, 2400, 4800, 9600, 19200, 38400

HData bits: 7, 8

HParity: E, O, N

HStop bits: 1, 2.

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Quantum 890 USE 155 manual Option 2 Serial and Mode Settings, Attached Device, Serial Protocol, Interface Type