Comtrol Modbus TCP User Guide User Manual

Page 66

Advertising
background image

66 - Chapter 4. Diagnostic and Statistics Pages

DeviceMaster UP Modbus/TCP User Guide: 2000447 Rev. I

Communication Statistics

To PLC Dropped Packet
Count

Displays the number of dropped packets that were intended for the PLC.

To PLC Truncated Packet
Count

Displays the number of received packets that were truncated before being
sent to the PLC.

Tx Unexpected Seq
Errors

Same as the serial port statistics (Page 73).

Cmd/Resp Mode Device
Timeouts

The number of Command/Response messages that timed out waiting for a
response.

Cmd/Resp Mode
Response Discards

Displays the number of Command/Response mode responses that were
discarded as a result of either:

The connection to the controller was closed.

The response timed out after the Age Time had been reached.

Filtering Statistics (Ethernet Device Interface Statistics)

Valid Data Items Sent To
PLC Interface

Displays the number of valid string, RFID, or barcode data sent to the PLC.
Applies when filtering is enabled.

Valid Data Items Filtered
From PLC

Displays the number of valid string, RFID, or barcode data filtered from (not
sent) to the PLC. Applies when filtering is enabled.

Invalid Data Items
Discarded From PLC

Displays the number of invalid RFID or barcode data not sent to the PLC.
Applies when RFID or barcode filtering is enabled.

Valid Data Items Sent To
App Interface

Displays the number of valid string, RFID, or barcode data sent to the
application. Applies when filtering is enabled.

Valid Data Items Filtered
From App

Displays the number of valid string, RFID, or barcode data filtered from (not
sent) to the application. Applies when filtering is enabled.

Invalid Data Items
Discarded From Application

Displays the number of invalid RFID or barcode data not sent to the PLC.
Applies when RFID or barcode filtering is enabled.

RFID Tags With Unknown
Formats

Data received that was in the general form of 64 or 96 bit RFID tags, but was
not in any of the EPCglobal formats. Applies only when RFID filtering is
enabled.

Ethernet Device Interface Statistics

Advertising