西门子接口模块从站模块 长期需求西门子接口模块，ET200系列从站，要求成色好年份近，无硬伤划痕，配件齐全，功能外观完好优先。6ES71511A050AB0/1534BA00等等西门子型号6ES71556AA010BN0
6ES71556AU010BN0
6ES71556AU000CN0
6ES71556BA000CN0
6ES71556AU000DN0
6ES71556AR000AN0
6ES71511BA020AB0
6ES71511AA050AA1
6ES71511AA060AB5
6ES71513AA230AB0
6ES71513BA230AB0
6ES71531AA030XA1
6ES71531AA030XA4
6ES71531AA030XA5
6ES71531AA030XB4
6ES71531AA030XB5
6ES71532BA020XA1
6ES71532BA020XA4
6ES71532BA020XA5
6ES71532BA020XB4
6ES71532BA020XB5
6ES71534AA010XB0
6ES71534BA000XB0
6ES71532AR030XA1
6ES71532AR030XA4
6ES71532AR030XA5
6ES71532AR030XB4
6ES71532AR030XB5