Does rs485 need a ground?

Related questions

1. Is rs485 serial or parallel?
2. Is rs485 a Modbus?
3. Does rs485 require a ground?
4. Is rs485 a BACnet?
5. Can I use rs485 for rs232?
6. Is rs485 the same as Ethernet?
7. How far can rs485 be run?
8. How many devices can be connected on rs485?
9. Are rs232 and rs485 compatible?
10. What is rs485 communication?

Tags

1. #potential
2. #connect
3. #there
4. #conductors
5. #before
6. #problem
7. #differential
8. #ground
9. #driver
10. #practice
11. #rs485
12. #laptop
13. #conductor
14. #reference