Digi Connect IT 16 - Page 404

Services Modbus gateway
Digi Connect IT® 16/48 User Guide
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n 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)>
where value is any number between 10 milliseconds and one second, and take
the format number{ms|s}.
For example, to set idle_gap to 20 milliseconds, enter 20ms.
v. Set the amount of time to wait before disconnecting the socket when it has
become inactive:
(config service modbus_gateway server test_modbus_server)>
inactivity_timeout value
(config service modbus_gateway server test_modbus_server)>
where value is any number of minutes or seconds up to a maximum of 15
minutes, and takes the format number{m|s}.
For example, to set inactivity_timeout to ten minutes, enter either 10m or
600s:
(config service modbus_gateway server test_modbus_server)>
inactivity_timeout 600s
(config service modbus_gateway server test_modbus_server)>