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Passive multi-channel analog signal isolation controller:DIN 3X3 ISO 4-20mA-E
Product Categories: Isolation Amplifier File Type: File
Input: 4-20mA Output: 4-20mA, two-wire 4-20mA
Isolation Mode: Magneto-electric Isolation Voltage: 3000VDC
Package: DIN35 Updated: 2018-10-11 15:52:37
Remarks: Passive multi-channel analog signal isolation controller
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Keywords: Passive   multi-channel   analog   signal   isolation   controller:DIN   3X3   ISO   4-20mA-E  
Small size, low cost, high precision standard DIN35 rail mounted multi channel two wire 4-20mA analog isolation controller converts input active 4-20mA current signal into isolated passive control signal output, controlling two lines Power supply (explosion-proof mode) 4-20mA current loop. The sensor signal acquisition and the analog input interface active load are matched, which effectively solves the problem of collecting the active 4-20 mA current signal and the power supply conflict of the two-wire current loop power supply receiving port.
      DIN (1X1 / 2X2 / 3X3) ISO 4-20mA-E uses high-performance loop stealing technology to eliminate the need for a separate power supply. The two-wire loop power supply output mode can save two power lines, greatly simplifying the user's design and reducing the user wiring cost. The product internally includes a current signal modulation and demodulation circuit, a signal coupling isolation conversion circuit, and the like. The small input equivalent resistance enables the isolated controller to collect the current signal voltage from the sensor output loop to an ultra-wide range (5~32VDC), so that the user can realize the signal long distance without external auxiliary power supply. The need for distortion transmission.
       DIN (1X1 / 2X2 / 3X3) ISO 4-20mA-E output is designed for the two-wire power supply circuit of 24VDC and sampling resistor (two-wire instrument) in series with the analog input interface board commonly used in industrial fields (upper position) Machine, PLC, DCS or other instrument that matches the analog input port of the active load. The product can meet the requirements of industrial grade wide temperature, humidity and vibration in the harsh environment. It is very convenient to use. It only needs external 10KΩ multi-turn potentiometer for ADJ correction, which can realize the isolation and transmission of the three-way two-wire 4-20mA signal. And acquisition control.
Features :
● No external power supply, two-wire signal loop power supply output mode
● Active 4-20mA signal acquisition voltage (5 ~ 32V) ultra wide range input
● High precision in the range of 4-20mA (0.1 level, 0.2 level)
     4-20mA signal transmission with high linearity (non-linearity error <0.1%)
● Active 4-20mA signal acquisition input, input and output 3KV isolation
● Active signal input, the output can control the active load in the current loop
● Standard DIN35 rail mounting, industrial temperature range: - 25°C ~ + 70°C
Typical application :
● Multi-channel two-wire active load signal matching and control
● PLC, DCS field analog signal isolation, acquisition
● Ground loop isolation and interference suppression
● Sensor signal matches analog input and output interface
● Sensor 4-20mA signal acquisition isolation, conditioning and transmission
● Analog signal data acquisition isolation and long-line distortion-free transmission
● Power instrumentation, medical equipment monitoring isolation barrier
Product selection example:
Example 1: Three-way two-wire passive 4-20mA signal isolation controller; DIN35 rail installation, signal input: 4-20mA; isolation control output: 4-20mA; Product model: DIN 3X3 ISO 4-20mA-E
Typical application of single 4-20mA current loop isolation controller:

Dimensions and terminal descriptions of DIN 1X1 / 2X2 / 3X3 series products (product trademark models are printed on the housing)

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