544kB RAM M1E processor with Ethernet & RS485 Modbus ports ...

512K RAM M1E adapter with Ethernet & RS485 Modbus ports ...

544kB RAM Ethernet CPU adapter for Modicon Momentum I/O bases ...

50MHz Ethernet CPU adapter for Modicon Momentum I/O base ...

32MHz processor with dual Modbus serial ports for Momentum I/O bases ...

32MHz single Modbus serial processor for Momentum I/O bases ...