Schneider Electric Modicon BM85 - Manual (Page 38)

Configuring the Modbus Models 890 USE 103 00 28
3.3 Configuration Checklist
You have a specific sequence of actions for configuring your BM85.
Use these items as your checklist:
1. Select a terminal and cable. Refer to Appendix A for a listing of
compatible terminal devices and cables. Select a terminal and cable
that you will use for the configuration.
2. Determine the Modbus port parameters. Refer to Section 3.4,
Modbus Port Parameters. Determine the parameters you want to
use for each Modbus port:
h Port Type
h Slave Device Address
h Communication Parameters
h Port Priority
h Link Timeout
h Modem Booster
h Modbus Plus Address Table.
3. Configure the Modbus ports. Turn off all power to the BM85.
Refer to Section 3.5, Configuring the Modbus Ports.
Connect your terminal to the port you will use for configuration.
Start your terminal and any emulation program you are using.
Set the switches to allow the configuration, and power up the BM85.
Use the configuration screens and keyboard to configure the unit.
4. Set the Modbus Plus address. Refer to Section 3.11, Setting the
Modbus Plus Address. Set the BM85 rear panel address switches to
its node address on your Modbus Plus network.
5. Set the RUN Mode. Refer to Section 3.12, Setting the RUN Mode.
Turn off all power to the BM85. Set its rear panel switch to the
RUN mode. Connect the unit to the Modbus Plus network and to
the Modbus devices at its installation site before reapplying power.