Digital Input 16P Digital Output 16N(NPN) Digital 8 In / 8 Out(NPN,PNP) Digital Output 6R(RELAY) Digital Output 16P(PNP) Digital Output 8S(SSR) Digital Output 4S(SSR) Analog Input 8 Analog Output(4, 8) Digital Output 4S(SSR) Stand-along consumption current of base module Each extension module has Input Status LEDs alone Item Digital Output SSR Module Model HDO-B04S, HDO-E04S Output Points 4 Points Output Driving Method On/Off by AC Triac Blocking voltage VDRM/VRRM 600 VAC Nominal Current IT(RMS) 16A External Power Supply 24V DC 100mA * Status Display Module, Network, Input Status LED** * This product of HANMI Semiconductor is protected by the property right of industry.