Digi LR54 User Manual page 667

Services
4. Configure servers:
a. Add a server:
(config)> add service modbus_gateway server name
(config service modbus_gateway
where name is a name for the server, for example:
(config)> add service modbus_gateway server test_modbus_server
(config service modbus_gateway server test_modbus_server)>
The Modbus server is enabled by default. To disable:
(config service modbus_gateway server test_modbus_server)> enable
false
(config service modbus_gateway server test_modbus_server)>
b. Set the connection type:
(config service modbus_gateway server test_modbus_server)> connection_
type type
(config service modbus_gateway server test_modbus_server)>
where type is either socket or serial. The default is socket.
n
LR54 User Guide
If connection_type is set to socket:
i. Set the IP protocol:
(config service modbus_gateway server test_modbus_server)>
socket protocol value
(config service modbus_gateway server test_modbus_server)>
where value is either tcp or udp.
ii. Set the port:
(config service modbus_gateway server test_modbus_server)>
socket port
(config service modbus_gateway server test_modbus_server)>
where port is an integer between 1 and 65535. The default is 502.
iii. Set the packet mode:
(config service modbus_gateway server test_modbus_server)>
socket packet_mode value
(config service modbus_gateway server test_modbus_server)>
where value is either rtu or raw. The default is rtu.
iv. Set the maximum allowable time between bytes in a packet:
(config service modbus_gateway server test_modbus_server)>
socket idle_gap value
(config service modbus_gateway server test_modbus_server)>
server name)>
Modbus gateway
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