Wiren Board 4:Аппаратная часть/en: различия между версиями

Wiren Board 4:Аппаратная часть/en (просмотреть исходный код)

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 == Input protection ==
-As compared to version 3, input protection and general noise protection are significantly improved.
+As compared to previous versions, input protection and general noise immunity are significantly improved.
-#Protection of all inputs from power supply voltage (up to 24 V) and pulse noise.
+#All inputs are protected from applying the power supply voltage (up to 24 V) and transient noise.
-#Protection from reverse polarity.
+#Wiren Board 4 is protected against reverse polarity.
-#One optically isolated RS-485 port.
+#Wiren Board 4 features one optically isolated RS-485 interfaces.
-#Diode protection of keys at Ax and Dx inputs from inductive loads.
+#Low-side FET switches on Ax and Dx inputs are protected from negative voltage spikes from inductive loads.
-#Protection relay contact from sparking.
+# Relays have sparking suppression circuits