Commissioning
Intelligent Gyro Compass (iGC)
0707-SOM-00004-7
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© Tritech International Ltd.
5.4. Checking iGC output using a terminal programme
The output data from the iGC RS232 port should be connected to a PC or Laptop with an
RS232 serial port using a suitable test cable.
Details of a suitable cable are found in Appendix K – the programming switch connections
are not required however for this test.
Boot the PC and run up a terminal emulator programme (e.g. HyperTerminal, Procomm, Telix
etc.). Select the correct COM port that the iGC is attached to in the terminal software. Note
that PCs that are using a USB to Serial converter often assign a COM port above COM3.
Check under Device Manager (or equivalent) to check if in doubt.
Set the terminal programme’s port settings to 19,200 baud No parity, 8 data bits and 1 stop
bit. Enable the terminal programme into ‘connected state’ if applicable.
Power up the iGC and observe the terminal output window. The configuration data message
should be seen on the terminal screen – a typical output is shown below:
If the configuration screen is not seen, check the cabling and power supply to the iGC,
check the terminal programme with a known good data source (or looped back from itself by
connecting pins 2 & 3 of the PC com port and typing on the keyboard). Check that if using a
programming cable that the programming switch is NOT in programming position.
Investigate the problem until a satisfactory configuration message is received.
In exceptional circumstances, it may be necessary to re-open the iGC and check status LEDs.
Refer to Chapter 9,
for more details.
Once the configuration message is correctly received, it is likely that the ‘live’ iGC data will
be received also (particularly if the output data is via the RS232 port on the iGC). For RS485
there may be additional work required to commission the interface.
For RS232 output data from the iGC, check the output telegram from the iGC using the
terminal programme. For ASCII protocols this is very easy – just select the correct baud-rate
on the terminal software and power up the iGC. After 5 seconds, the data should appear on
the terminal display.
