The PRG-1800 frequency isolated safety barrier enables the safe transmission of frequency signals generated by hazardous area instruments to the safe area output. The input uses a hysteresis comparison circuit with high anti-interference performance, while providing power to on-site instruments. This product requires independent power supply, with power supply, input, and output isolated.

Main technical specifications
Power supply voltage: 20V-35Vdc
Number of channels: single channel
Power consumption: approximately 1.5W (at 20mA output)
Input signal: Maximum distribution voltage for hazardous area instruments: 13V Minimum distribution voltage: 8.5V (output 20mA)
Signal level: High level ≥ 4V, low level ≤ 1V
Frequency ≤ 10kHz, amplitude ≤ 12V, duty cycle ≥ 20%
Output signal:
Signal level: Low level ≤ 0.5V
High level ≥ 4.5V
Drive current i: ≤ 15Ma
Load resistance: ≥ 1K Ω
Isolation voltage between safe and hazardous areas: 250Vac

performance metrics
Insulation strength: 2500Vac/min between intrinsic safety end and non intrinsic safety end, 1000Vac/min between non intrinsic safety end and non intrinsic safety end
Output accuracy: 0.1% F.S
Temperature drift: 0.01% F.S/℃
Working temperature: -20 ℃~+60 ℃
Relative humidity: 35% to 85% RH
Storage temperature: -40 ℃ to+80 ℃

Structure and external dimensions
Product structure: 35mm guide rail card mounting,
ABS shell material,
Plug in terminal
Dimensions: 22.5 × 114.5 × 99 (mm)
Whole machine weight: 150g

Product Features
IIC explosion-proof rating, in compliance with EMC standards. The surrounding air of the installation site does not contain any medium that corrodes chromium, nickel, or silver coatings

Applicable on-site and equipment
Installed in a safe location, it can be used with 0-zone frequency devices containing hazardous gases such as IIA, IIB, and IIC.
Safety and Explosion proof Certification Parameters
National Quality Supervision and Inspection Center for Explosion proof Electrical Products (CQST)
Explosion proof mark: [EXia] (IIC)
Authentication parameters: Terminal (9-10)
Um = 250V Uo = 14.7V Io = 207mA
Co = 0.06uF Lo = 0.7mH Po = 0.76W
Authentication parameters: Terminal (11-12)
Um = 250V Uo = 14.7V Io = 2mA
Co = 0.06uF Lo = 100mH Po = 7.4mW

wiring diagram



Outline dimension drawing (mm)