The E1 is designed to upgrade the B1 brain board for digital I/O systems, while the E2 is designed for analog I/O systems as an upgrade for the B2 brain board. Both E1 and E2 brain boards offer 10/100-Mbps Ethernet and RS-422/485 serial networking and support multiple protocols simultaneously. They also support OptoMMP memory-map protocol used with Opto 22 SNAP Ethernet systems, Optomux protocol over Ethernet, OPC through OptoOPCServer, and Modbus/TCP.

Opto 22 Inc., 43044 Business Park Dr., Temecula, CA 92590, (800) 321-6786,