Digi TX54 User Manual page 629

Services
c. Repeat the above instructions for additional servers.
5. Configure clients:
a. Type ... to return to the root of the configuration:
(config)> add service modbus_gateway server test_modbus_server)> ...
(config)>
b. Add a client:
(config)> add service modbus_gateway client name
(config service modbus_gateway
where name is a name for the client, for example:
(config)> add service modbus_gateway client test_modbus_client
(config service modbus_gateway client test_modbus_client)>
The Modbus client is enabled by default. To disable:
(config service modbus_gateway client test_modbus_client)> enable
false
(config service modbus_gateway client test_modbus_client)>
c. Set the connection type:
(config service modbus_gateway client test_modbus_client)> connection_
type type
(config service modbus_gateway client test_modbus_client)>
where type is either socket or serial. The default is socket.
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TX54 User Guide
iv. (Optional) Enable half-duplex (two wire) mode:
(config service modbus_gateway server test_modbus_server)>
serial half_duplex true
(config service modbus_gateway server test_modbus_server)>
If connection_type is set to socket:
i. Set the IP protocol:
(config service modbus_gateway client test_modbus_client)>
socket protocol value
(config service modbus_gateway client test_modbus_client)>
where value is either tcp or udp.
ii. Set the port:
(config service modbus_gateway client test_modbus_client)>
socket port
(config service modbus_gateway client test_modbus_client)>
where port is an integer between 1 and 65535. The default is 502.
client name)>
Modbus gateway
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