6ES72121HE400XB0 S7-1200 CPU 1212C DC/DC 继电器 ¥1402.00 6ES7214-1BG40-0XB0S7-1200 CPU 1214C AC/DC / 继电器 ¥2122.00 6ES7214-1AG40-0XB0S7-1200 CPU 1214C DC/DC/DC ¥2122.00 6ES7214-1HG40-0XB0S7-1200 CPU 1214C DC/DC / 继电器 ¥2122.00 6ES7215-1BG40-0XB0S7-1200 CPU 1215C AC/DC / 继电器 ¥3200.00 6ES7215-1AG40-0XB0S7-1200 CPU 1215C DC/DC/DC ¥3200.00