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LYG-...2 Series Output-Type Isolator
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Product Overview Product overview
The LYG-...2 series output-type isolator isolates and transmits the system's 4–20mA signal to the field, where it drives field-mounted valve positioners. This product requires independent power supply and is an intelligent instrument designed with robust anti-interference capabilities as well as signal transformation and distribution functions. At its core, it employs either electromagnetic or optoelectronic isolation technology to separate input and output signals, ensuring that the electrical potential reference point of the input signal (input ground) remains completely independent from the output signal’s reference point (output ground). This effectively suppresses common-ground loop interference inherent in automated control systems and breaks the conductive path of interfering signals, significantly enhancing the system's overall immunity to noise. Additionally, the device can proportionally transform the input signal, enabling it to deliver one or multiple user-defined electrical signals as needed.
Performance metrics TECHNICAL PARAMETERS
Supply voltage: 18–32 VDC
Current consumption: (when powered by 24V and outputting 20mA) ≤110mA
Power Protection: Reverse Polarity Protection Field-Side Output: 4–20mA
Load resistance: 0–1000 Ω System-side input: 4–20 mA
Input impedance: ≤50 Ω
Output accuracy: 0.1% F.S
Temperature drift: 0.005% F.S./°C
Response time: 2ms to reach 90% of the final value
Electromagnetic Compatibility: Complies with IEC 61326-1, IEC 61326-3-1
Operating environment temperature: -20°C to +60°C
Insulation strength: Field side – system side, ≥1500 VAC; Power supply – system side, 2500 VAC
Insulation resistance: Field side – System side, ≥100 MΩ; Power supply – System side, ≥100 MΩ
Product weight: approximately 100g
External Dimensions and Wiring Diagram APPEARANCE OF SIZE
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Tianjin Ling Yu Technology Co., Ltd.
Operator:86-22-58554679
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