Ashcroft DM61 Manual do Utilizador descarregar pdf (Página 15)

Serial Communication Adapters Instruction Manual

Figure 3. RS-485 Half-Duplex (Multi-Drop) Two-Wire Wiring

Notes:

1. Termination resistors are optional and values depend on the cable

length and characteristic impedance. Consult the cable manufacturer

for recommendations.

2. Use shielded cable, twisted-pair plus ground. Connect ground shield

only at one location.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20

Sem comentários

Ashcroft DM61 Manual do Utilizador Página 15