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 在实际项目应用中，针对一些特殊场合如设备场地需要保持通风，当CPU发生故障进入STOP模式下，PLC的输出值会变为0，如果关联的是通风阀（开关量）、风机等设备，阀门/风机会由于接收到模拟量信号为0而关闭，可能会造成隐患；为避免此状况发生，汇辰自动化H7-SMART系列的模拟量输出模块可以在CPU进入STOP模式下的冻结输出值，确保CPU而设定的通道输出值不为0；本文主要针对此功能做一个完整的描述。AMAT Applied Materials 0100-00567 111-0101// AMAT APPLIED 0090-09244 AMAT Applied Materials 0100-00567 AMAT Applied Materials 0190-02748 325-0103// AMAT APPLIED 3030-05499APPLIED MATERIALS AMAT  0190-05647AMAT APPLIED MATERIALS 0140-28172-LOTAMAT 0021-02468348-0101// AMAT APPLIED 0020-23350 111-0101// AMAT APPLIED 0090-09244 APPLIED MATERIALS 0040-18053Applied Materials/AMAT (Part Number: 0041-01494)348-0301// AMAT APPLIED 0190-20004APPLIED MATERIALS 0100-20458 124-0202// AMAT APPLIED 0020-27018AMAT 0190-07970Applied materials 0040-88767 AMAT 0620-01727 AMAT 0200-40169APPLIED MATERIALS/AMAT 0270-35353 REV 002AMAT 0020-70495 347-0203// AMAT APPLIED 0040-31844 323-0402// AMAT APPLIED 0090-75018APPLIED MATERIALS PMT DETECTOR ASSY 4201230APPLIED MATERIALS AMAT  0100-11002AMAT Applied Materials 0400-50414