Alerton Technologies, Inc. (Redmond, WA) has released its VisualLogic(tm) expandable controller (VLCP) and expansion modules (EXPs). The VLCP is the base unit that provides ddc, scheduling, logging, and alarming support. Features include support for up to 8 EXPs that offer a mix of universal 12-bit inputs, binary triac outputs, and 8-bit analog outputs; BACnet(r) compatibility; and connection to either an Ethernet or MS/TP network.