Product Description
The PRG-2400 RS485 to RS232 isolated safety barrier enables bidirectional communication between RS485 digital signals and RS232 digital signals in the safety zone, and provides power to field instruments. This product requires independent power supply, with power supply, input, and output isolated.

Main technical specifications
Power supply voltage: 20V-35Vdc power supply
Number of channels: single channel
Power consumption: approximately 2.5W (24V power supply, 5V, 80mA)
Input signal range: RS485 digital signal (half duplex)
Output signal range: RS232 digital signal
Transmission delay: ≤ 10uS
Signal transmission rate: 56Kbps
Transmission control mode: Half duplex
Switching time between sending and receiving: ≥ 20ms

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
Working temperature: -20 ℃~+60 ℃
Relative temperature: 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, compliant with EMC standards, RS485 (half duplex) to RS232 digital signal conversion
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 place, it can be connected to intrinsically safe instruments in Zone 0 with hazardous gases of IIA, IIB, and IIC, equipped with RS485 (half duplex) communication interface devices
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 (between 9.10)
Um = 250V Uo = 17.85V Io = 314mA
Po = 1.4mW Lo = 0.25mH Co = 0.3uF
Terminal (Room 11.12)
Um = 250V Ui=8V Uo = 7.1V Io = 74mA
Po = 131mW Lo = 5mH Co = 11uF

Order model:
Distribution to on-site instruments: No PRG-2400-0
5V，80mA：PRG-2400-1
6V，80mA：PRG-2400-2
9V，50mA：PRG-2400-3
12V，50mA：PRG-2400-4

wiring diagram


Outline dimension drawing (mm)