6ED1-052-1FB00-0BA5 Logic Module, 115 V ac/dc, 230 V ac/dc Relay, 8 x Input, 4 x Output With Display. The 6th Generation LOGO! brings you additional features aimed at keeping the LOGO! at the forefront of this technology. LOGO! is small but provides a simple but powerful solution for control applications, at a price which can give significant time, space and cost savings when compared with alternative methods.