The RIO Pocket PLC has a Part Number Generator to help build part numbers and create an online price quote.
RIO Product Page: http://www.galil.com/plcs
RIO Part Number generator: http://www.galil.com/order/part-number-generator/rio-47xxx
This Table shows a graphical representation of the RIO options:
Galil’s RIO Pocket PLC series is smart, compact, low cost and packed with I/O. Standard features include analog and digital I/O, Ethernet and RS232 ports, a RISC processor for fast I/O handling, PID process control loops, counters, timers, data logging, ability to send email alerts, Power-over-Ethernet, and more. Use the RIO stand-alone or network multiple RIOs to handle all the I/O in your machine. There are several RIO options available as shown in Table 1. Visit http://www.galil.com/plcs to download complete specifications and view our new 2 minute video.