5 M2M API Protocol Modbus/TCP
Figure Modbus/TCP protocol configuration
Enable Modbus/TCP Enables M2M Modbus/TCP functions the system kernel. The device NOT
alerts you you specify port number that already occupied.
Port Specific port for Modbus/TCP only, range 65535.
Enable filter improve security, the filter can used specify range IP
addresses from which Modbus/TCP commands are accepted.
Save Changes Saves the changes.3.
Last access Read-only value indicating the address from which the last
Modbus/TCP command was received.
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5. The “Refresh” button updates this
value. Commands
from addresses outside this range will ignored
