Figure 3.3 Multipoint, Half-Duplex Rs-485 Wiring - Omega i-SERIES User Manual

Figure 3.3 shows multipoint, half-duplex RS-485 interface connections for i-Series.

Figure 3.3 Multipoint, Half-Duplex RS-485 wiring

Value of the termination resistor is not critical and depends on the cable
impedance.
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