Yes, but you would still need to convert the differential signals to UART with appropriate voltage levels. A RS-485 to USB adapter might be the better option here.
But a buspirate has way more usability than just UART, it's awesome for some quick i2C or SPI experimentation
Ah, so Bus Pirate wouldn't help me trigger or decode the messages? My biggest problem is that I don't have the automation system which is expected to talk to the devices, so I'm at a loss as to how I'd even get communication started for me to look at what's going over the wire.
