西门子S7-1200 具有用于进行计算和测量、闭环回路控制和运动控制的集成技术，是一个功能非常强大的系统，可以实现多种类型的自动化任务。下面分享S7-1200系列数字量与模拟量信号输入/输出接线图给大家。

数字量信号模块输入输出接线

SM 1221 数字量输入

对于漏型输入将“-”连接到“M”（如图示）；对于源型输入将“+”连接到“M”

SM 1222 数字量输出

SM1222 DQ 8 继电器切换模块使用公共端子控制两个电路：一个常闭触点和一个常开触点。

例如输出"0"，当输出点断开时，公共端子 (0L) 与常闭触点 (.0X) 相连并与常开触点 (.0) 断开。当输出点接通时，公共端子 (0L) 与常闭触点 (.0X) 断开并与常开触点 (.0) 相连。

SM 1223 数字量输入/输出

对于漏型输入将负载连接到“-”端（如图示）；对于源型输入将负载连接到“+”端

SM 1223 也有交流电压输入、继电器输出的模块， 如下所示：

SM 1223 DI 8 x 120/230 VAC，DQ 8 x 继电器 (6ES7 223-1QH32-0XB0)

SB 1223 200KHZ数字量输入/输出接线

① 仅支持源型输入

② 对于源型输出将负载连接到“-”端（如图示）；对于漏型输出将负载连接到“+”端

SB 1223 数字量输入/输出接线

仅支持漏型输入

数字量的输入信号类型总结：CPU 集成的输入点和信号模板的所有输入点都既支持漏型输入又支持源型输入，而信号板的输入点只支持源型输入或者漏型输入的一种。

漏型输入见模板接线图，源型输入接线参考下图。

注意：数字量的输出信号类型，只有 200 KHZ的信号板输出既支持漏型输出又支持源型输出，其他信号板、信号模块和 CPU 集成的晶体管输出都只支持源型输出。

模拟量模块输入输出接线

SM1231 模拟量输入

SM 1232 模拟量输出

SM 1234 模拟量输入/输出

SB 1231 模拟量输入（信号板）

SB 1232 模拟量输出（信号板）

AI 连接传感器接线方式

TC 信号模块接线

TC 信号板接线

RTD 信号模块接线

RTD 信号板接线

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萧殃露1798PLC有哪几种输入模式?各自有什么特点? -
倪时罡15765618169 ______ 通常就是模拟量和数字量两种,模拟量是连续的,比如电压电流的值.数值量是分段的,比如某一个时刻,灯的状态,是开则为1,关则为0

萧殃露1798通过plc 模拟量信号输出变零 -
倪时罡15765618169 ______ 首先把其他的程序都注释掉,测试口是否损坏.若没有,检查程序.若有,更换硬件或换口.

萧殃露1798RTU模拟量的功能有哪些? -
倪时罡15765618169 ______ 据我了解,有些RTU具有这些模拟量功能, 1、支持8路模拟输入量 2、每路模拟量可配置成电压输入或电流输入 3、每路模拟量采集电压范围-10V- +10V(目前国内最宽范围) 4、每路模拟量采集电流范围4-20mA 5、带模拟量校准 6、支持TVS保护

萧殃露1798欧姆龙模拟量怎么学! -
倪时罡15765618169 ______ 很简单,欧姆龙CP1H-XA40DT自带模拟量4路输入2路输出,如果你是想通过换算查看模拟量与实际数值变化和计算,可使用SCL指令,具体使用是首选选择正确通道,第一通道为200,第二为201,第三为202,第四为203,和外部接线相对应,模拟量输入上排端子为输入端,左起第一端子孔为第一输入通道正,第二端子孔为第一输入通道负,八个端子孔依次类推.SCL指令应用参看编程手册.另欧姆龙还配有模拟量输入输出模块,同样使用SCL指令,具体使用参看模块使用手册.

萧殃露1798plc的输入接口有几种形式 -
倪时罡15765618169 ______ 大概分为:数字量,模拟量,通讯口(232、422、485),网口(不同功能主机能驱动的功能形式也不同 ),扩展口(本厂机器相连用)

萧殃露1798请问有关模拟量的问题? -
倪时罡15765618169 ______ 1.单极性如0-20mA的信号,双极性如±10V的信号,极性的辨别只在采用系统功能块进行信号转换时起作用,对应双极性的数值可能是-32768~32768,而单极性是0-32768.具体的介绍在系统功能块的介绍中可以找到.2.模拟量的读取采用PIW/PQW.3.可以使用的外部模拟量通过组态的模拟量模板确定,只有组态的通道才具有采集的意义,你可以查看模板的地址参数,然后读取相应的通道.

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萧殃露1798过程检测与控制的数字系统中,过程通道输入的信号有哪几种类型 -
倪时罡15765618169 ______ USB PS2 IDE PCI

萧殃露1798PLC输入和输出类型有哪些?
倪时罡15765618169 ______ PLC输入/输出类型 开关量主要指开入量和开出量,是指一个装置所带的辅助点,譬... 最(zui)小的数量单位就是1个. 2、模拟量 在时间上或数值上都是连续的物理量称为...