6-17
Other Interfaces
Depending upon the setting of the Interface Jumper (see pages K-2 and K-
3), the TriCoders Computer Interface is set to either RS-232 or PC
compatible Keyboard Wedge.
•
The easy way to select an interface if using Keyboard Wedge mode
(
not USB
) is to use
Learning Mode
(8). Follow these instructions:
1. Scan
Start Setup
2. Scan
Computer Interface
3. Scan
8
4.
Press any key
on your PC keyboard
5. Scan
End Setup
The TriCoder watches the key codes coming from the computer,
“learns” the keyboard timing, and beeps to signify it has captured the
timing; it then sets it in the EEPROM until you change it.
•
RS-422 is for use with RS-422 boards only. If your computer is using
a RS-422 board, you must order the 422 option at the same time you
order your TriCoder, as this feature is not field-installable. RS-422
also requires special cables. RS-422 and RS-232 are mutually
exclusive; only one or the other is available.
•
If you are a Windows user with Window 98, 2000, ME, XP, or later,
we suggest that you use the high speed USB interface, which offers the
following advantages: (the first time you plug in your USB cable, you
may be asked to choose the type of USB interface you wish to use)
1) Data uploads at speeds 40 times faster than a serial upload.
2) The ability to update your firmware at speeds 40 times faster than
serial interface (its not even possible with the keyboard wedge). This
includes all improvements available on our Website for the life of
your TriCoder.
3) The ability to download tables and upload/download programs
from your PC at much faster speeds than serial, (not possible with
keyboard wedge interfaces) and use the TriCoder Utilities to
quickly change your TriCoder Setup.
4) The ability to operate in Non-Portable Mode as a USB keyboard
without having to add a jumper block to a Y-Cable when the
TriCoder is removed from the Y-cable for portable data collection.
