SMC EX500-GEN2 Gateway Unit, Ethernet/Ip MSRP: Now: $625.00 Was: EX500, Decentralized Serial Wiring, GW SystemEX500 a gateway unit to connect EtherNet/IP , DeviceNet , and Profibus DP to SMC valves and digital inputs for sensors for distributed I/O system. Each... EX500-GEN2