【W-M2B401】8 Channels Isolation Digital Output Module Supports Sink output type High Voltage Range: 3.5~30V Isolation: 2500 Vrms Communication Protocol: Modbus RTU Specification Digital Output Channel8 Channels Output TypeNPN Voltage Range3.5 - 30 VDC Normal Output Current500mA per Channel Startup Value SettingYes Communication Safety ValueYes General InterfaceRS-485 Communication ProtocolModbus RTU Communication SpeedFrom 1200 to 115.2k bps Communication Distance1.2 km at 9.6 kbps Power Requirement10 - 36 VDC Power Consumption1.2 W @ 24 VDC Temperature-25 to +70 ºC (Operating) -30 to +75 ºC (Storage) HumidityOperating Relative Humidity: 10% to 90% (non-condensing) LED IndicatorsPWR, Comm,, Program, Status Isolation 2500 Vrms Watchdog Timer Yes Dimension Weight65g (Average) Dimension20mm x 100mm x 95 mm