FS-20 DDC BMS 20-Point IP ControllerThe EasyIO FS20 Controller is a high performance network controller with a 1. 2 GHz Quad core processor, 512 MB RAM, 8GB Flash memory, HTML5 graphics and a suite of applications and kits. The FS 20 has 12 x Universal Inputs, 6 x Universal Outputs and 2 x DO. Input capacity can be expanded using the FD 20i. This is an internet ready field controller. They support multi concurrent protocols and services such as BACnet (MSTP IP), Modbus (MSTP IP), TCOM