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Configuring the Bridge
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3.1 Before You Start
3.1.1 Configuration Overview
Your Bridge must be configured to match your system application. Before you start to
configure the Bridge, get the Bridge’s Ethernet and serial port parameters from your
network administrator.
Here is your check list for obtaining the configuration information:
H Ethernet IP address.
H Ethernet Gateway address, if applicable to your Bridge’s network.
H Serial port interface: RS–232, RS–422, RS–485.
H Serial port communication: Baud rate, Data bits, Parity mode, Stop bits.
H Serial port modem controls: RTS/CTS timing values.
H Serial port device: Modbus Master or Modbus Slave.
H Modbus Protocol: RTU or ASCII.
H Modbus Timeout values: Character timeout, Message timeout.
H Modbus Slave only: Address source from Unit_ID header, or Fixed address.
H Modbus Slave only: Allowing broadcasts to serial port: Enable or Disable.
H Modbus Master only: Mapping of Modbus Slave addresses to IP addresses.
3.1.2
Safety
Warning
COMMUNICATION DISRUPTION HAZARD When you view or change the
configuration of a running Bridge, you will be restarting it on the network.
This will disrupt communication with the Bridge. Ensure that this action will
not cause any undesirable effect on your application. Failure to observe this
precaution can result in injury or equipment damage.
Warning
DUPLICATE ADDRESS HAZARD Having two or more devices with the same IP
address can cause unpredictable operation of your network. Ensure that you
will be assigning a unique IP address to the Bridge. Failure to observe this
precaution can result in injury or equipment damage.