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 8 In / 8 Out(NPN,PNP) Base Module Item Digital I/O Mixed Module Model HDM-B16N , HDM-B16P Input/Output Points 8 Input Points 8 Output Points (NPN or PNP) Input Impedance 4.8 �� Input Isolation Method Photo Coupler Max Input Current 5mA @ 24VDC Max Output Current 3 A @ 24VDC Status Display Module, Network, Input Status LED * This product of HANMI Semiconductor is protected by the property right of industry.