Specifications VersionESP32 S3 POE ETH 8DI 8DOMicrocontrollerESP32 S3 Default module ESP32 S3 WROOM 1U N16R8 customizable for other modules Wireless Communications2 4GHz Wi Fi 802 11 b g n Bluetooth 5 LE USB PortConnectorUSB Type CPower supply5VFunctionsPower supply USB communication firmware downloading etc Isolated RS485 InterfaceConnectorScrew terminalDirection controlAutomatically controlled via main controller hardware flow settingsProtectionTVS diode surge protectionESD protectionResistorOnboard reserved 120R matching resistor NC by default enabled via jumperIsolated CAN InterfaceConnectorScrew terminalDirection controlHardware automatic controlProtectionTVS diode surge protectionESD protectionResistorOnboard reserved 120R matching resistor NC by default enabled via jumperEthernet InterfacePoE Ethernet port supports IEEE 802 3af standardDigital OutputOutput channel8 channelsInput voltage5V 40VOutput typeOpen drain output with load capacity of 500mA per channel MAX Isolation typeOptocoupler isolationDigital InputInput channel8 channelsInput voltage5V 36VInput typePassive input active input NPN or PNP type IsolationBi directional optocoupler isolationLED IndicatorsRGBRGB colorful LED supports programmable control of display colorPWRRed power indicator lights up when there is USB connection and voltage is detectedTXDGreen TX indicator lights up when the RS485 CAN port sends dataRXDBlue RX indicator lights up when the device port sends data bac
