SR Series smart relays are available in2 versions; SR12-MRDC has 8 inputs and 4 mechanical relay outputs, SR22-MRDC has 12 Inputs and 8 mechanical relay outputs. The Power supply is 12-24VDC, inputs can be PNP or NPN or 0-10VDC analogue signals. The SR series smart relay  has a clip on frontal HMI which displays 4 … Continue reading Low Cost Smart Relays with powerful functionality