RS485 CABLE WIRING DIAGRAM
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RS-485 Wiring Guide - go4b
PDF fileProper Wiring for RS-485 . Depending on the geometry of the cable and the materials used in the insulation, twisted-pair wire will
Guidelines for Proper Wiring of an RS-485 (TIA/EIA-485-A
WIREWHAT IS TWISTED PAIR, AND WHY IS IT USED?CHARACTERISTIC IMPEDANCE OF TWISTED-PAIR WIRENUMBER OF TWISTED PAIRS PER TRANSMITTERTERMINATION RESISTORSMAXIMUM NUMBER OF TRANSMITTERS AND RECEIVERS ON A NETWORKFAILSAFE BIAS RESISTORSEXAMPLES OF PROPER NETWORKSEXAMPLES OF IMPROPER NETWORKSREFERENCESRS-485 is designed to be a balanced system. Simply put, this means there are two wires, other than ground, that are used to transmit the signalre 1. A balanced system uses two wires, other than ground, to transmit data system is called balanced, because the signal on one wire is ideally the exact opposite of the signal on the second wire. In other words, if one wire is transmitting a high, the other wire will be transmitting a low, and vice versa. See Figure 2re 2. The signals o..See more on maximintegrated