Comtrol DeviceMaster Up, Руководство пользователя

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Chapter 3. Configuring the DeviceMaster UP DeviceMaster UP PROFINET CbA User Guide : 2000409 Rev. D - 25
Status Area
3.2.3. Status Area
The Status area displays the current device and serial read information.
Field Description
Device Status
Displays the state of the unit.
• OK - Device is ready.
•
Initializing
- Device is not ready. This appears during initial power-up or reboot.
Last Read Pkt Status
Displays the status of the last packet read.
• OK - Indicates no error.
•
Framing error
- The UART detected a framing error and the packet was dropped.
Check the serial word length (7-bit, 8-bit, etc.).
• Parity error - The UART detected a parity error and the packet was dropped.
Check the UART parity setting.
•
Overrun error
- The UART detected an overrun condition and data was lost. Use
flow control, if necessary.
• No STX - STX was enabled in the Packet ID configuration, but serial bytes were
received that did not match that character and those bytes were dropped.
•
Too long
- The serial packet length exceeded the maximum length and the packet
was dropped.
• Queue full - The serial packet queue is full and the packet was dropped.
Last Read Pkt Displays the last read packet corresponding to the Last Read Pkt Status .