1P 6ES7141-6BF00-0AB0西门子ET200ECO模块6ES7 141-6BFOO-OABO ¥600.00 6SL3054-0FB01-1BA0西门子S120CF卡带固件选项6SL3054-OFBO1-1BAO ¥2250.00 1P 7MH4950-2AA01西门子SIWAREX U称重电子产品7MH495O-2AAO1现货 ¥5500.00 6ES7132-4BF50-0AA0西门子ET200S开关量输出模6ES71324BF5OOAAO ¥330.00 6ES7131-4FB00-0AB0西门子 ET200S数字输入模块6ES71314FB000AB0 ¥680.00 1P 6SL3054-0FB01-1BA0西门子S120 CF卡带固件6SL3054-OFB01-1BAO ¥2250.00