4至20mA回路电流(loop current)是过程工业中仪控工程师熟悉的标准信号。现场的压力、温度以及流量变送器会依据量测的过程参数，输出对应的4至20mA电流信号，以实现远程监控与控制。 工厂中的分布式控制系统(DCS)或可编程逻辑控制器(PLC)通常设置于中央控制室 ...

This design will interest technicians who work on pneumatically operated valves and other 4-20mA current loop controlled devices. Although 4-20mA signal injector/calibrators are available, this one is ...

A converter that tapers off a 4 mA input to zero, and adds the input and the tapered off 4mA signal to create a 2-wire 4-20 mA output loop.

With an eye on factory automation, Maxim has released a reference design for a precision 4-20mA temperature transmitter with added data capability. The whole thing, branded Novato, is loop-powered, ...

A whitepaper that explains the proper way to use and install transmiters in a current loop is now available from Acromag. As the leading analog transmission standard for industrial I/O, the future ...

Analog Devices has designed a high-resolution data acquisition chip for 4-20mA current loops around an ARM Cortex-M3 core. Called ADuCM360, the chip includes dual 4ksample/s 24-bit sigma-delta DACs ...

High-End loop sensors provide PLC grade sensors to lower cost IoT site installations. SAN DIEGO, CA, UNITED STATES, May 23, 2023/EINPresswire.com/ -- Avimesa ...

Acromag 600T series signal splitters receive a 4-20mA current input and provide two identical isolated 4-20mA output signals. Acromag 600T series signal splitters receive a 4-20mA current input and ...

(MENAFN- PR Newswire) SYDNEY, July 26, 2023 /PRNewswire/ -- Sinusoid Pty Ltd has released its new absolute analog 4-20mA current output rotary encoder, the RPE4. This encoder replaces and improves on ...