Ethernet Basic PLC units (starting at $129.00) and Ethernet Standard PLC units (starting at $149.00) feature one built-in 10/100 Mbps Ethernet communications port for both programming and Modbus TCP networking, plus one standard RS-232 serial communications port; Ethernet Standard PLC units add an RS-485 port. CLICK Ethernet PLCs are 3 to 10 times faster than the existing CLICK PLCs and are 100% compatible with existing CLICK units. With 8 input points and 6 output points built in, CLICK Ethernet PLC units are available with 24 VDC or 120 VAC inputs and DC or relay outputs and can be used as a complete PLC system. CLICK Ethernet PLC units also include a calendar/real time clock, battery backup and the capability to do run time edits. The new CLICK Ethernet PLC units are configured with easy-to-use programming software (a free download).