FT1A SmartAXIS PLCs offer cost-effective solutions for limited I/O applications. The five models include IDEC’s FT1A Touch, which is a 3.8-in. touchscreen HMI with 12 I/O PLC (HMI and PLC), as well as 12-, 24-, 40- and 48-I/O PLCs. For the latter four models, an optional RS232 or RS485 adapter is available for connection to other serial devices. Modbus TCP is also supported on the Ethernet port.