PRG-1400/1401 thermal resistor two or three wire input isolated safety barrier

The 2/3/4 wire intrinsic safety thermal resistance isolation safety barrier converts the signal of the on-site 2/3/4 wire thermal resistance into a standard 4mA~20mADC current signal for isolation and transmission to the safety side

Main technical specifications
Power supply voltage: 20V-35Vdc power supply
Number of channels: PRG-1400 single channel PRG-1401 single input dual output
Power consumption: approximately 1.8W (24V power supply, 20mA output)
Input signal type: 2/3/4 wire heating resistor
Input signal range: corresponding thermal resistance measurement range
Signal range: specified or self configured by the user when placing an order
Output signal range: 4mA~20mAdc
Allowable output load capacity: 0-650 Ω
Alarm indication: low range alarm, L alarm indicator light on
High range alarm, H alarm indicator light on
Fault alarm, L and H alarm indicators light up simultaneously

performance metrics
Insulation strength: 2500Vac/min between the intrinsic safety end and non intrinsic safety end
Non intrinsic safety end to end 1000Vac/1 minute
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, wide range power supply, in compliance with EMC standards
installation site
The surrounding air should not contain any medium that corrodes chromium, nickel, and silver coatings
Applicable on-site and equipment
Installed in a safe location, it can be connected to a 2-wire or 3-wire heating resistor (Pt100, Pt10, Cu50, Cu100) in Zone 0 hazardous areas with hazardous gases of 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)
PRG1400 certification parameters: Terminal (9.10.11)
Um = 250V Uo = 8.4V Io = 31mA
Co = 6.8uF Lo = 30mH Po = 64mW
PRG1401 authentication parameters: Terminal (9.10.11)
Um = 250V Uo = 8.4V Io = 12mA
Co = 6.8uF Lo = 100mH Po = 26mW

Wiring diagram of PRG-1400/1401 thermal resistor two or three wire input isolated safety barrier


Outline dimension drawing (mm)