BL67 electronic module, 4 digital inputs, channel diagnostics, 4 digital outputs, PNP, 0.5 A, independent of the field bus used and the selected connection technology, protection class IP67, 4 digital inputs, 24 VDC, 4 digital outputs, 24 VDC, 0.5 A max., plus switching, channel diagnostics, selection of filter times, inversion of the inputs possible, LEDs for displaying status and diagnostics, electronics galvanically isolated from the field level via optocouplers