NS18 Signal Isolator Splitter (One-in Three-out/One-in Four-out)

Product Model NS18

Product Brand

Product Category Industrial safety and signal conditioning modules / signal isolators, industrial safety and signal conditioning modules

Application Industry Petrochemical, process automation

Input 0/4~20mA, 0/1~5V, 0/2~10V; one-in three-out (NS18-E)/one-in four-out (NS18-F), each output independent.

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  • Original Factory Genuine, Tenfold Compensation for Counterfeits
  • Full Machine Warranty, Lifetime Maintenance
  • In Stock, Shipped on the Same Day

Signal isolator splitter, isolates and transmits the input current or voltage signal into multiple current or voltage outputs, enabling simultaneous acquisition by multiple devices. Requires independent power supply, three-port isolation between input, output and power supply, with online fault self-diagnostics; signal type and fault output mode can be configured via PC or handheld programmer.

NS18 Signal Isolator Splitter (1 In/3 Out / 1 In/4 Out) Technical Specifications
Parameter Name Technical Specifications
Power supply and power consumption
Power Supply 18V DC~32V DC, power reverse protection
Power consumption ≤2.5W (three channels fully loaded); ≤3W (four channels fully loaded)
Input/Output
Input Signal 0/4–20mA, 0/1–5V, 0/2–10V
Output Signal Current: 0/4–20mA; Voltage: 0/1–5V, 0/2–10V (3–4 channels)
Distribution voltage Open-circuit voltage ≤26V, output voltage ≥23V at 20mA
Permissible load Current RL≤550Ω; Voltage RL≥1MΩ/≥2MΩ
Accuracy and response
Conversion accuracy 0.1%F.S. (25°C±2°C)
Temperature drift 40ppm/°C
Response time ≤500ms
Isolation and Environment
Electromagnetic compatibility IEC 61326-3-1
Dielectric strength ≥1500V AC (between input/output/power supply)
Insulation resistance ≥100MΩ (between input/output/power supply)
Operating Temperature -20°C~+60°C
Storage Temperature -40°C~+80°C
  • One input isolated and split into 3–4 independent outputs
  • Output type of each channel selectable by code
  • DIN-rail mounting, three-way isolation of input, output and power supply, dielectric strength ≥1500V AC, EMC IEC 61326-3-1.

One-in multiple-out signal splitting

One 4-20mA signal simultaneously acquired by DCS, paperless recorder and alarm; each channel isolated and independent

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NS18 · NS18 Signal Isolator Splitter (1 In/3 Out / 1 In/4 Out)

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