FC6A MicroSmart CPUs IDEC FC6A MicroSmart CPUs are equipped with 16-, 24-, 32-, or 40-I/Os and support either 100VAC to 240VAC, 24VDC, or 12VDC power supplies. The FC6A MicroSmart series can be linked to various types of external devices with communication functions that include maintenance communication, Modbus communication, and user communication. MicroSmart FC6A CPUs are available in two types f CPUs: Plus and All-in-One. The Plus type has a dual RJ45 Ethernet Port embedded web server function and the capability to expand up to 2060 I/O, while the All-in-One version has an embedded serial port and RJ45 Ethernet port capable of expanding up to 520 I/O. IDEC FC6A MicroSmart CPUs feature functions for high-speed counters, pulses, flow calculation, and data logging.