LYD Series Linear Resistance Isolator
LYD Series Linear Resistance Isolator

哈密LYD Series Linear Resistance Isolator

Suitable for signal input of linear resistive potentiometers such as field-position potentiometers and angle potentiometers, converting them into standard current/voltage signals before transmitting to PLC/DCS systems. Resolving the following scenario issues:

① Signal interference between instruments and systems, leading to data instability.

② The interface signals between the instrument and the system differ, requiring signal conversion.

③ One-way signal transforms into multiple signals, supplying automated instruments and control systems.

Category:

哈密Signal Isolator

Phone: 400-888-8888

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Product Description

Product Overview Product overview

The LYD linear resistor isolator receives a 3-wire potentiometer signal, which is isolated and then converted into either a current or voltage output. This product features built-in self-diagnostic functionality for fault detection, allowing users to easily set the potentiometer’s zero point and full scale—either via a PC or a handheld programmer. Additionally, it enables customization of output signal types and defines behavior in case of signal failures.

Performance metrics TECHNICAL PARAMETERS

Power supply: 18V DC to 32V DC (standalone power supply)

Operating power consumption: ≤0.7W (24V, single-channel full-load output); ≤1.3W (24V, dual-channel full-load output)

Input signal: 2-wire and 3-wire potentiometers, 0 kΩ to 10 kΩ

Output signals: Current: 0/4–20mA (dual channels support passive operation), 0–10mA; Voltage: 0/1–5V, 0–10V

Allowed loads: - 0/4–20mA: RL ≤ 550Ω, - 0–10mA: RL ≤ 1.1kΩ, - 0/1–5V: RL ≥ 1MΩ, - 0–10V: RL ≥ 2MΩ, - Passive: R < [(U - 3) / 0.02] Ω, where U is the loop voltage.

Conversion accuracy: 0.1% F.S. (25°C ± 2°C)

Temperature drift: 40 ppm/°C

Response time: ≤500ms

Electromagnetic Compatibility: IEC 61326-3-1

Dielectric strength: 2500 VAC (between input/output/power supply)

Insulation resistance: ≥100 MΩ (input/output/power supply)

Operating temperature: -20°C to +60°C

Storage temperature: -40°C to +80°C

External Dimensions and Wiring Diagram APPEARANCE OF SIZE

     

 

 

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Tianjin Ling Yu Technology Co., Ltd.

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