Starter Kit Inputs: 8 Digital (4 Useable by Analogue) Inputs, abbreviated: 8 DI (4 D/A) Outputs: 4 Relay Outputs, abbreviated: 4 RO Module: CD12 SMART Operating voltage: 24 VDC Series: Millenium 3 Switching capacity: 4 x 8 A Mounting: DIN Rail 35mm Protection rating: IP20 No. of SSR outputs: 0 No. of analogue inputs: 0 No. of analogue outputs: 0 No. of digital inputs: 8 No. of digital inputs, usable by analogue: 4 No. of high speed counter: 0 No. of impulse outputs: 0 No. of relay outputs: 4 No. of transistor outputs: 0