在工业应用中,最普遍的两个元素就是数字量和模拟量,今天我们聊一聊模拟量的编程, 模拟量作为工业控制中必不可少的一个元素,由模拟量传感器发出信号,最终由控制单元接收,可以表示温度,压力,流量,液位等等!在PLC控制系统中,最常见的模拟量信号为4-20ma,以前的文章我们也提到过,4-20ma作为行业标准有着得天独厚的优势。 那么除了4-20ma外,我们还可以用-10V~ +10V或者0-20ma等等,这些信号由传感器发送出来,最终进入到PLC模拟量输入通道,...
SNMP manageable OAM IEEE802.3ag/ah (operation, administration, and management) Supports per-port, bi-directional bandwidth control Supports powerful LinkLoss, FiberAlert and Loopback troubleshooting functions All management traffi...
SNMP manageable OAM IEEE802.3ag/ah (operation, administration, and management) Supports per-port, bi-directional bandwidth control Supports powerful LinkLoss, FiberAlert and Loopback troubleshooting functions All management traffi...
SNMP manageable OAM IEEE802.3ag/ah (operation, administration, and management) Supports per-port, bi-directional bandwidth control Supports powerful LinkLoss, FiberAlert and Loopback troubleshooting functions All management traffi...
SNMP manageable OAM IEEE802.3ag/ah (operation, administration, and management) Supports per-port, bi-directional bandwidth control Supports powerful LinkLoss, FiberAlert and Loopback troubleshooting functions All management traffi...
Designed for a variety of media and mode conversion modules Supports a wide range of protocols and future-proof upgrade paths High flexibility for module combinations for different environments Supports AD or DC power Standard and...
Designed for a variety of media and mode conversion modules Supports a wide range of protocols and future-proof upgrade paths High flexibility for module combinations for different environments Standard and extended temperature mo...
Metal enclosure with compact size Industrial grade design that supports an extended operating temperaturerange (IMC-370I series) Provides status LED Supports multiple power options: AC or DC adapter and dual USB cable Supports Lin...
搭载Intel® 第8/9代 Core™ i CPU 8GB板载内存, 1 x SO-DIMM, 1 x mSATA, 2 x 2.5 支持2 x Gigabit Ethernet, 2 x USB3.0/3.1 支持2 x COM (RS232/422/485) 支持 3 x mini PCIe 扩展槽,通过预留的6个SMA连接器集成WiFi, LTE,和GPS无线通信模块 支持12/24VDC车载功率 防护等级IP65,防水防尘 支持宽温(-25 ~ ...
专有LPWAN(Sub-G)无线技术 自供电设计,无需额外安装电源线 采用CT(电流互感器,4~20mA直流电)的直流输入高效电源充电设计 最高三模拟量输入通道CT节点 功率测量以秒计 穿透力强干扰小 即插即用与传统的无线技术相比,WISE-2211是一种专有LPWA N(Sub-G)自供电模拟量输入模块,可更好地提供连接。WISE-2211支持直流输出,可以与传感器快速连接,无需另外安装电源....
支持2.5Mbps, 5Mbps, 10Mbps, 20Mbps多种通讯速率设定 板载接线端子方便直接连线 2,500 VRMS 隔离保护电压 适合DIN导轨安装 可设定模块ID 板载LED指示灯方便调试诊断AMAX-1000系列数字量I/O从站模块为紧凑基板式设计,可以水平安装。板载接线端子方便直接连线,具备LED指示灯方便调试诊断。所有数字量I/O从站模块均可以标准以太网线缆进行分散式分布和连接,节省布线时间和维护成本。目前该系列共有三个型号:32路数...
支持2.5Mbps, 5Mbps, 10Mbps, 20Mbps多种通讯速率设定 板载接线端子方便直接连线 2,500 VRMS 隔离保护电压 适合DIN导轨安装 可设定模块ID 板载LED指示灯方便调试诊断AMAX-1000系列数字量I/O从站模块为紧凑基板式设计,可以水平安装。板载接线端子方便直接连线,具备LED指示灯方便调试诊断。所有数字量I/O从站模块均可以标准以太网线缆进行分散式分布和连接,节省布线时间和维护成本。目前该系列共有三个型号:32路数...