前言：西门子PLC模块,西门子扩展模块,西门子S7-400模块,SM431模块
6ES74317KF100AB0SM 431模拟量输入模块， 8 AI，16 BIT， RESIST./PT100/NI100，光隔离，
诊断，报警，20 ms 模块更新 6ES7431-7KF10-0AB0(EAN: 4019169026864 / UPC: 662643183603)SM 431, 8AI, RESIST./PT100, 16BIT,
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SIMATIC S7-400，模拟输入 SM 431，8 模拟输入；分辨率 16 位， 电阻/PT100/NI100 电位隔离，诊断 报警，20 ms 转换时间输入电流来自背板总线 DC 5 V，大值650 mA功率损失功率损失，典型值3.3 W模拟输入模拟输入端数量8● 测量电阻时8电压输入允许的输入电压（毁坏限制），大值35 V; 35 V 持续电压，大 1 s 内 75 V（占空比 1：20）电阻传感器的恒定测量电流，典型值1 mA输入范围● 电压否● 电流否● 热电偶否● 电阻温度计是● 电阻是输入范围（额定值），电阻温度计● Ni 100是— 输入电阻 (Ni 100)> 10000 欧姆● Ni 1000是; 可选择不同特征：欧洲/美国— 输入电阻 (Ni 1000)> 10000 欧姆● Pt 100是— 输入电阻 (Pt 100)> 10000 欧姆● Pt 1000是— 输入电阻 (Pt 1000)> 10000 欧姆● Pt 200是— 输入电阻 (Pt 200)> 10000 欧姆● Pt 500是— 输入电阻 (Pt 500)> 10000 欧姆特性线性化● 可参数化是— 用于电阻温度计Pt100, Pt200, Pt500, Pt1000, Ni100, Ni1000；可选择不同特征（欧洲/美国）导线长度● 屏蔽，大值200 m; 热电偶和输入范围 ±80 mV 时为 50 m输入端的模拟值构成集成和转换时间/每通道分辨率● 带有过调制的分辨率（包括符号在内的位数），大值16 bit● 可参数化的集成时间是● 基本转换时间 (ms)8 / 23 / 25 ms● 积分时间 (ms)50 Hz 时 20 ms（所有模块包括断线）● 对于干扰频率 f1（单位 Hz）的干扰电压抑制无 / 60 / 50 Hz● 组件的基本执行时间（释放所有通道）8 ms; 8 / 23 / 25 ms传感器信号传感器连接● 对于利用三线制接口进行的电阻测量是● 对于利用四线制接口进行的电阻测量是误差/精度整个温度范围内的操作错误限制● 热电阻，与输入范围有关，(+/-)±1 °C基本错误限制（25 °C 时的操作错误限制）● 热电阻，与输入范围有关，(+/-)±0,2 °C报警/诊断/状态信息诊断功能是; 可参数化报警● 诊断报警是; 可参数化● 极限值报警是● 过程报警是; 可参数化诊断● 诊断信息可读是; 可能电位隔离模拟输入电位隔离● 模拟输入电位隔离是; 内部/外部● 在通道之间否● 在通道和背板总线之间是绝缘绝缘测试，使用DC 500 V尺寸宽度25 mm高度290 mm深度210 mm重量重量，约650 g
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