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，...
Intel® 第六代 Core™ i7-6822EQ 四核处理器， 8GB DDR4 内存 2 x GbE, 6 x USB 3.0, 2 x RS-232/422/485, 2 x RS-232 (针接头), 1 x DVI-I, 1 x HDMI 2 x PCIe x8, 2 x PCI, 2 x mPCIe (2 x full), 1x CFast 插槽, 1 x mSATA 插槽 (可选) 拇指螺丝设计，方便维护 双可热插拔存储，支持RAID 0/...
英特尔l® Atom™ E3825/E3845 &赛扬® N2930, DDR3L-1066/1333MHz SODIMM up to 8GB DirectX11, OpenGL3.2, OpenCL1.1, 独立三显: VGA+LVDS/HDMI+LVDS/DVI+LVDS/VGA+LVDS 支持 PC/104-Plus 扩展 丰富的 I/O接口: 1 GbE, 3 COM, SATA, 6 USB2.0, SMBus/I2C, GPIO, fu...
Provides 1 x 1000 Mbps Ethernet port with RJ45 connector Provides 1 x 1000 Mbps fiber port with SC or SFP mini-GBIC) type connector for 1000Base-SX/LX device Provides DIP switch for full/half duplex setting Supports MDI/MDI-X auto...
8Kp60 HEVC contribution grade decode platform 1U 20" deep short depth unit Telco-grade robustness and security Live input via HLS or RTP streaming protocols across IP HEVC/H.265 8Kp60 Level 5.1 Decoding and Playback 4:2:2 samplin...
2x Intel XL710-BM1 8 ports SFP+ connector PCI-E 3.0 x8 RoHS compliant...
Power supply voltage: +12V, +5V, -12V, -5V, +3.3V, +5VSBY Power requirements: Refer to the CPU Board , add-on Card & Peripherals Operating temperature: 0 ~ 60°C Weight: 0.6kg (weight of board)14-slot Rackmount Chassis Backplan...
1x Intel i350_AM4 4 ports SFP connector 1x PCI-E 2.0 x4 RoHS compliant...
Flex I/O expansion on the front panel for same-side cabling Compatible with MIC-7300, MIC-7500, MIC-7700, MIC-770...
编织同轴屏蔽线缆，钢镍电镀BNC公插头连接器 2xBNC公插头连接器 编织同轴屏蔽线缆 颜色：黑色带有BNC插头的屏蔽同轴电线...
2-Ch USB 2.0 Hi-Speed ports Half size MiniPCIe type compliant with PCI Express TM 2.0 Compliant with xHCI specification Support USB 2.0 and USB 1.1 devicesUSB Port iDoor Module...
Supports surge protection for D.C. power ports with line to line 2 KV, and line to earth 4 KV; for signal ports with 4 KV. Automatic RS-485 data flow control Built-in 15 KV ESD protection for all serial signals Mounts on DIN-rail ...