Schneider Electric,CC QUANTUM PROCESS- UNITY W/ 1024/7168K,1 Modbus Plus with-1 Ethernet TCP/IP with-1 USB with-1 Modbus with,Modicon Quantum automation platform,Modicon Quantum automation platform,Unity processor,internal RAM 768 kB-expandable 8 MB - file storage with PCMCIA card-expandable 7168 kB - program with PCMCIA card,internal RAM 768 kB-expandable 8 MB - file storage with PCMCIA card-expandable 7168 kB - program with PCMCIA card