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6SE6430-2UD31-1CA0 西门子M440变频器。计数器模块6ES7350-1AH03-0AE0。导轨6ES7390-1AF30-0AA0。西门子CPU315-2DP 128K内存。西门子模块6ES7315-7TJ10-0AB0。西门子CPU6ES7313-6CG04-4AB1。西门子CP