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6ES7 231-7PB22-0XA0 232-0BH22 232-0HB22 http://mailto:miyazheng520 6ES7 231-7PB22-0XA0 232-0BH22 232-0HB22 SIEMENS Analog Input Module 6es7231-7pb21-0xa0 simatic s7-200, rtd input mod. em 231 simatic ...