6GK5208-0BA00-2AC2西门子XC208电气交换机6GK 5208-0BAOO-2AC2 ¥2800.00 1P 6ES7131-4BB01-0AB0西门子ET200S数字输入6ES 7131-4BB01-OABO ¥580.00 6ES7131-4BB01-0AB0西门子ET 200S开关量模块6ES71314BB010AB0 ¥580.00 1P 6ES7132-6BF60-0AA0西门子ET200SP数字量模块6ES71326BF600AA0 ¥280.00 1P 6AV2123-2GB03-0AX0西门子KTP700触摸屏面6AV21232GB030AX0 ¥1900.00 1P 6AV2123-2GB03-0AX0西门子KTP700触摸屏面板6AV21232GBO3OAXO ¥1900.00