The Lascar Electronics SGD ADPT- 420 Current Loop Conditioning Module is an add-on module that interfaces directly with compatible PanelPilot M series displays. The SGD ADPT- 420 features two galvanic isolated input channels and takes its power directly from the SGD meter (available separately). The SGDADPT420's current loop connection is via screw terminals. Please note: The Current Loop Conditioning Module does not include a PanelPilot M Series display.