On 2017-12-01 22:44, Gene Heskett wrote:
So 2 of those solves my diff to single ended signal problems with
bandwidth to throw away. Almost dc to light. And the duty cycle is 50%,
plus or minus 2% worst case due to the motors wibblies at nearly 8500
rpms.
Great!
Additionally, some of those RS-422 transceivers have integrated ESD
protection for long wires.
You may consider adding a termination resistor to have the transmission
line working in good conditions.
I think you can check that with a scope on the transmission line: you
should see a good square shape, with not overshoot.
Frederic
http://cnc.f1oat.org
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