Reliance electric 1203-USB, Инструкция по эксплуатации

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5-8
USB Converter User Manual
5.3.3 To clear the event queue
1. Access the 1203-USB event queue using a configuration tool ( See “Configuration
Tools” on page 4-1. ).
2. Set the 1 > Clr Event Queue parameter to Enable , and then press Enter to clear
the event queue.
5.4 Viewing and Clearing DF1 Communication Statistics
If you encounter unexpected communications problems or are creating an application
that uses DF1 data, you can view the communications statistics stored in the
converter.
To view and clear DF1 data, you must access the main menu in the 1203-USB
converter firmware.
5.4.1 To view DF1 data
1. Access the parameters in the converter using a configuration tool ( See
“Configuration Tools” on page 4-1. ).
2. View the converter parameters that store DF1 data: DF1 Packets Sent (04) and
DF1 Packets Rcvd (05) . Refer to Appendix B, Converter Parameters .
5.4.2 To clear DF1 data counters
1. Access the parameters in the converter using a configuration tool ( See
“Configuration Tools” on page 4-1. ).
2. View converter Clear DF1 Counts (03) . Then set its value to Clear Counts , and
press Enter to clear the DF1 data.
Figure 5.4 – Example Parameter 04 Display in HyperTerminal
Press the UP ARROW or DOWN ARROW key to scroll through the
parameter list. Press the LEFT ARROW or RIGHT ARROW key to
modify parameter values. Press the ENTER key to save a new
value.
4R> DF1 Packets Sent = 0
Figure 5.5 – Example Parameter 03 Display in HyperTerminal
Press the UP ARROW or DOWN ARROW key to scroll through the
parameter list. Press the LEFT ARROW or RIGHT ARROW key to
modify parameter values. Press the ENTER key to save a new
value.
3> Clear DF1 Counts = Clear Counts