User`s manual

3.7.2 Circuit trace
3 - 51
3.7 Serial Communication/Modem Interface Module
1
OVERVIEW
2
COMMON OPERATIONS FOR INTELLIGENT FUNCTION MODULES
3
OPERATING INTELLIGENT FUNCTION MODULES
4
PREDEFINED PROTOCOL SUPPORT FUNCTION
A
APPENDIX
I
INDEX
Operating procedure
1. Click the button.
The Module Selection (Circuit Trace) screen is displayed.
2. Select a module to perform the circuit trace, and click the button.
3. Select a channel from "Channel Selection".
4. Click the button.
The message shown on the right is
displayed.
5. Click the button.
The circuit trace is started.
Displa
y
contents
Item Description
Send Packet
Display send data and receive data respectively.
For the data display format, the ASCII code or hexadecimal can be selected.
Receive Packet
Communication control
signals
Display the status of the RS/DTR/DSR/CS/CD signal and the receive error.
RS/DTR/DSR/
CS/CD signal
All signals are displayed with blue lines.
When the obtained data does not have signal information, the signal is displayed as an OFF status.
Reception error Display three kinds of errors: errors of overrun error, parity error and framing error.
Signal status Display
When signal is ON
When signal is OFF