Modbustcp Diagnostic - Beckhoff BC9000 Documentation

MissedCnt
Value Meaning
0xyyyy Number of telegrams that have not returned in time for the start of the task. This value should
remain almost constant. If the value keeps rising, the task time should be lengthened.
UDP/IP diagnosis
BoxState
Value Meaning
0x0000 No error
0x0001 No current inputs
0x0002 Outputs are written as zero
0xxxzz xx - warning level. The value here is incremented by one each time the data is not received in
time. When data is exchanged correctly, the value is decremented by one. When the maximum
warning level (default value 100) is reached, zero is written to the output data, and it is only
enabled again for the normal process image when the warning level has reached zero.
MissedCnt
Value Meaning
0xyyyy Number of telegrams that have not returned in time for the start of the task. This value should
remain almost constant. If the value keeps rising, the task time should be lengthened.
8.4

ModbusTCP diagnostic

• See Modbus diagnostic function [} 71]
• See ModbusTCP error answers [} 67]
BC9000 and BC9100 Version: 4.0.0
Error handling and diagnosis
83