Quote:
Originally Posted by Levansic
Is your test with the TI units with a re-built serial to RJ-12 adapter?
As a complete aside, we use the 2CAN, and are extremely happy with the quick diagnostics it gives us. We even use it sometimes in conjunction with the serial adapter, as we can look at the bus from the other end. Problems like these, where you have no real indication where the problem may be, are very frustrating.
It just occurred to me that there are ways of testing your USB-Serial adapter. You can make a RS-232 loopback adapter out of a DB9 plug, where pin 2 and 3 are wired together. Firing up Hyper Terminal (not sure this is in Windows 7), and pointing it at your adapter's port, should allow you to see that you have two-way communication. Whatever you type should be returned through the loopback. This is a simple and relatively cheap way to verify that the USB-serial adapter is working. NI has a page that describes this and other loopback configurations. |
No, we won't get the new serial adapter until tomorrow or Wednesday.
If we don't have any issues using PWM tomorrow then we're not going to risk changing it later on.