RTU Protocol

This table shows the RTU connection status for client devices and server RTUs:

Parameter

Description

Number of Connected / Connecting Devices

This value represents the number of connected devices.

Number of Disconnected Devices

This value represents the number of disconnected devices.

RTU CONNECTIONS - SERVERS / CLIENTS

No. : This number is represents the sequence of device connections.

Channel Name: This is the configured DNP3/IEC60870 channel name.

Protocol : This field shows the implemented connection protocol.

Channel Mode: This field shows the channel mode (Read-only or Standard) of IEC60870-5-104 Server.

Redundant Group: This field shows the number of redundant group ID.

State : This is the status of the connection (Connected , Connecting , Disconnected ).

Remote Address: This is the remote IP address.

Remote Port: This is the remote TCP port.

Local Port : This is the local TCP port.

Secure Statistics: Refer to Detailed statistics for details on a specific Secure authentication version.

Error Code : Refer to Error code for details on a specific detected error.

Messaging

This table contains information about the exchange of data in terms of Modbus statistics:

Parameter

Description

MESSAGING STATISTICS

View the total number of sent and received messages on port 502:

  • Msgs. Sent: This field shows the number of messages sent from port 502.

  • Msgs. Received: This field shows the number of messages received by port 502.

  • Success Rate: This field shows the percentage of successful requests out of the total number of requests.

NOTE: These values are not reset when the port 502 connection closes. The values, therefore, account for the number of messages since the last module restart.

ACTIVE CONNECTIONS

View the connections that are active when the Messaging page is refreshed:

  • Remote Address: This column shows the remote IP address.

  • Local Port: This column shows the local TCP port.

  • Type: This column shows the connection type.

  • Sent: This column shows the number of messages sent from this connection.

  • Received: This column shows the number of messages received by this connection.

  • Errors: This column shows the number of errors that are detected in association with this connection.