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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高询若1827PLC模拟量输入指的是什么 -
须静段15055526282 ______ 模拟量是 指0-5V或者4-20MA的信号输入 开关量就是说的一些按钮.接近开关.行程开关等等

高询若1827松下PLC的模拟量模块怎么用 -
须静段15055526282 ______ AD模拟量输入,有FP-X、FP-0/2、等系列. 在软件中设置下模拟量通道的信号,4-20mA ,0-5V,等几种范围,然后按照接线图把线接好.剩下的就是到相应的内存地址中,读取模拟量数值.

高询若1827PLC什么是模拟量输入什么是数字量输入 -
须静段15055526282 ______ 数字信号输入输出: 就是开关闭合,断开. 模拟量输入输出: 就是一个数值.比如:液位1.5米,温度30度,这样的数. 输入单元 输入单元是PLC与被控设备相连的输入接口,是信号进入PLC的桥梁,它的作用是接收主令元件、检测元件传来...

高询若1827PLC模拟量输入 -
须静段15055526282 ______ 模拟量是0~10v电压,或者4~20mA电流等信号,是一个变化的数值. 输入就是将此数值输入倒plc内,经过编程计算,进行相应的计算. 输出是plc输出模拟信号 开关量共有两个状态,一个是开,一个是闭. 开关量输入指一个信号输入,例如i0.0闭合,那可以进行相应的动作.

高询若1827PLC的输入模块有几种,各种输入方式的作用 -
须静段15055526282 ______ 根据现场输入信号的不同, 可将输入模块分为开关量输入模块和模拟量输入模块. 开关量输入模块的作用是把各种开关信号变成CPU所需的TTL标准信号. 按输入端电源类型,又可将其为直流输入模块和交流输入模块. 输入信号经分压、限流、滤波后再通过光电耦合转换成TTL(5V)标准信号.模拟量输入模块的作用是把现场连续变化的模拟量信号如温度、流量、电流、电压等转换成CPU能够处理的若干位数字信号.模拟量输入电路一般由运放变换、模数转换(A/D)、光电隔离等组成.

高询若1827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 -
须静段15055526282 ______ USB PS2 IDE PCI

高询若1827西门子plc224xp本体上模拟量2AD可以接什么,1DA可以接什么? -
须静段15055526282 ______ 224XP,只能接受电压型的模拟量输入信号,提供电压型的模拟量输出信号.

高询若1827PLC反馈信号有问题问问问...题 -
须静段15055526282 ______ 4-20mA 到达PLC端是否还正常,如果不正常说明在传输过程中受到干扰,可以用MHM-05A 进行隔离抗干扰,如果到PLC端是4-20mA 信号,说明PLC的取样电阻可能有问题.