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Comunicaciones industriales

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1. Líneas RS-485
 EIA RS-232, Especificaciones de la norma
 EIA RS-422, Especificaciones de la norma
 EIA RS-485, Especificaciones de la norma

EIA RS-422, Especificaciones de la norma

EIA RS-422 Specification Summary.

Parameter Conditions Min Max Units
Driver Output Voltage
Open Circuit
    10
-10
V
V
Driver Output Voltage Loaded RT = 100 Ω 2
-2
  V
V
Driver Output Resistance A to B   100 Ω
Driver Output Short-Circuit Current Per output to common   ±150 mA
Driver Output Rise Time RT = 100 Ω   10 % of Bit Width
Driver Common Mode Voltage RT = 100 Ω   ±3 V
Receiver Sensitivity Vcm ≤ ±7   ±200 mV
Receiver Common-Mode Voltage Range   -7 +7 V
Receiver Input Resistance   4000   Ω
Differential Receiver Voltage Operational:
Withstand:
  ±10
±12
V
V

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