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Help CenterTwo-Wires 4-20ma Passive Current Loop Isolator, 8.5~28vdc Signal Isolation Amplifier / Converters
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Certification:ISO9001-2008, CE, RoHS
Two-Wires 4-20ma Passive Current Loop Isolator, 8.5~28vdc Signal Isolation Amplifier / Converters
Applications:
● 4-20mAsignal long-distance transmission in industrial site
● PLC, DCS analog signals data acquisition and isolation
● Ground loop elimination
● Transmission and Monitoring of signals of instruments and meters, sensors,etc
● Analog signal data acquisition, isolation and long distance non-distortion transmission.
● Monitor and control electrical instruments and meters, medical equipments, isolated safety bar● Isolated safety bar in rail transit DC high voltage monitoring
SunYuan SIP12 Pin current loop isolated module: ISO 4-20mA module is a kind of single-chip two-wire isolated interface IC chip. Inside the IC, there are current signal modulation circuit, magnetoelectric isolation transform circuit and signal reduction demodulation circuit,etc. The low input equivalent resistance makes the IC module achieve wide range input voltage (8.5~28VDC) to realize the long-distance, non-distortion transmission of signals without external power supply. By adopting SMD technological structure and new isolation technology, the modules posses the features: 3KVDC isolation between signal input and output (total isolation type), and operates in normal in abominable industrial conditions like wide temperature, humidity and vibration.
Specifications:
●4-20mA current input/output, high precision (distortion <0.2%)
● High linearity in the full span(non-linearity<0.2%).
● Isolation between signal input and output: 3KV or 6KVDC
●Low impedance (volt. drop<2V), no external instruments or power supply required.
● SIP 12Pin small size, UL94V-0 standard for flame retardant encapsulation.
●4-20mA signal extra-wide range volt. Input (8.5~28VDC).
● Frequency response (small signal band-width): 2KHZ (Io=20mA)
● Industrial operating temperature: - 45℃ ~ + 85℃
Maximum Rated Values:
(If exceed the value below, may cause irremediable defect.)
|
Continuous Isolation Volt.: 3KVDC/rms |
|
Input Signal Volt. (Max.): 32VDC |
|
Operating Ambient Temp.: - 45℃ ~ + 85℃ |
|
Welding Temp.(<10S): +300℃ |
|
Output Short-circuit Time: Main-tenability |
General Technical Parameters:
|
Accuracy, linearity error grade ---------- 0.1, 0.2 |
Hysteresis error ---------- < 0.5% |
|
Auxiliary power---------- No |
Isolation ---------- signal input and output |
|
Operating Temp. ---------- -20 ~ +70℃ |
Insulation Resistance ---------- ≥20MΩ |
|
Operating Humidity ---------10~90% (no condensation) |
Withstand Voltage ---------- 3KV(60HZ/S), leak current 1mA |
|
Storage Temp.---------- -20 ~ +70℃ |
Impact Resistance Volt. ---------- 3KV, 1.2/50us (peak value) |
|
Storage Humidity -------10 ~ 95% (no condensation) |
Specifications:
|
Parameter |
Conditions |
Min. |
Typical Value |
Max. |
Unit |
|
Isolation Volt. AC, 60Hz Insulation Impedance Leak current |
10S 240Vrms,60Hz |
1000 |
2500 10¹²‖1 0.5 |
6000 |
Vrms Ω‖Pf uA |
|
|
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