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SIMATIC S7-400; BACK-UP BATTERY 3.6 V/2.3 AH FOR PS 405 4A/10A/20A AND PS 407 4A/10A/20A
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COMMUNICATIONS PROCESSOR CP 443-1; 2X 10/100 MBIT/S (IE SWITCH); RJ45 PORTS; ISO; TCP; UDP; PROFINET IO CONTROLLER; S7 COMMUNICATION; OPEN COMMUNICATION (SEND/ RECEIVE); S7 ROUTING; IP CONFIGURATION VIA DHCP/ BLOCK; IP ACCESS CONTROL LIST; TIME SYNCHRONIZATION; EXTENDED WEB DIAGNOSTICS; FAST STARTUP; SUPPORT FOR PROFIENERGY