Y***00系列信号隔离器,开关量输入:YB5155A YB5155B YB5155C 安全继电器:YB5155A-T 开关量输出:YB5255A YB5255B YB5255D YB5255F 模拟量输入:YB5111A YB5111B YB5111C YB5111A-D YB5111B-D YB5111C-D YB5111A-H YB5111B-H YB5111D YB5111F 模拟量输出:YB5211A YB5211B YB5211D YB5211F YB5211D-F-H YB5211F-H