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Showing results for tags 'modbus'.
I need to do oscilloscope testing on BAS networks talking over RS485. Protocols like modus, BacNet, Johnson N2, and others. I need to know if your product line includes anything that can help with this. The pertinent specs for my use I suppose is: Voltage: +-5vdc all the time, with 24vac (typically 22v to 29vac in practice) on occasion if possible. Comm speed: 9600 bps, up to 115200 bps. I see 78600 and 38400 most frequently. I will be most commonly be using an oscilloscope measuring differential between the + and - on the comm trunk, occasionally between + and a reference