SUNYUAN Technology is a national high-tech enterprises and  specializing in new enterprises, plowing sensors and instrumentation industry analog signal isolation and amplification and transmission technology research and development has been more than 20 years of experience, during the period of the industry has been awarded 10 national invention patents, utility model patents 32, computer software copyright 12, since 2007 has been recognized as a high-tech enterprises. The company insists on carrying out improvement and innovation work, constantly improve product quality, reduce production costs, expand the scope of application of the product, push the new research and development of new products, in order to adapt to the current electronic information technology before the rapid development of the situation and to meet the customer's product research and development and innovation and upgrading needs.

The ISO 4-20mA-HT 2-wire passive 4-20mA signal isolator with HART transmission function is a signal isolation module specially designed for the 4-20mA current loop signal isolation of industrial instrumentation and intelligent sensor transmitter with HART protocol transmission and control, and it is also a kind of signal isolation module with 4-20mA current signal input at the front stage and 4-20mA current signal output at the rear stage. It is also a kind of passive signal isolation module with HART transmitting function for front stage 4-20mA current signal input and rear stage 4-20mA current signal output. The product adopts the unique electromagnetic isolation mode of SUNYUAN Technology and the patented technology of high-efficiency circuit power stealing invention, which effectively solves the problem of current signal isolation's dependence on the power supply, and realizes the passive transmission of HART signals and the isolation and transmission of 4-20mA analog signals with high precision and high linearity.  Module internal integration of HART digital signal isolation transmission circuit and analog 4-20mA current loop isolation transmission circuit, HART signal bi-directional transmission can support the field intelligent sensors and instrumentation equipment and control room DCS centralized system communication between the full play of digital and analog signals of the double advantage.This signal isolator with HART transmission function is a high-performance signal processing integrated circuit, which combines the advantages of analog signal isolation and HART communication bidirectional isolation technology, to achieve the industrial field sensors, transmitters, instrumentation and other output 4-20mA signal isolation and HART signal transmission, to meet the reliable transmission of signals between the sensors and instrumentation equipment and accurate measurement and control. Accurate measurement and control.

ISO 4-20mA-HT series integrated modules have HART transmitting function and support bidirectional transmission of HART signals, which can ensure unobstructed communication between on-site HART smart meters and HART acquisition system in the control room, and give full play to the double advantages of isolated transmission of digital and analog signals. The product uses advanced digital technology and electromagnetic isolation to allow bidirectional communication of HART protocol signals while still isolating 4-20mA inputs and outputs. The internal integration process and new technology isolation measures enable the module to achieve 3KVDC isolation voltage and industrial grade wide temperature, humidity, vibration of the harsh environment requirements of the field, in the field of intelligent transmitters, industrial control intelligence, mining and medical equipment safety isolation barriers, industrial robots, chemical and nuclear power safety equipment has a wide range of applications.

SUNYUAN HART Transmissive Active and 2-Wire Passive Series References

1、ISO 4-20mA-HT Series 2-wire Passive 4-20mA Loop Isolation HART Transmissive Isolator     

https://www.sunyuansz.com/products_17/322.html

2、ISO 4-20mA-FHT Series HART Transmissive 4-20mA 2-wire Passive Isolated Distributor

https://www.sunyuansz.com/products_17/307.html

3、ISO 4-20mA-EHT Series 2-Wire Passive 4-20mA Loop Isolated HART Transmission Conditioners

 http://www.sunyuansz.net/products_17/302.html 

4、ISOEM A4-Px-O1-HT Series Active 4-20mA Isolation Amplifier with HART Transmission

http://www.sunyuansz.net/products_18/296.html