Transmitter current input isolation safety barrier

1、 Product Overview

Provide isolated DC power supply to transmitters located in hazardous areas on site, and detect 4-20mA current signals from the transmitters. After isolation, interference suppression, and other processing, output DC signals to the control system or other instruments on the safety side.

2、 Functional Features

1. Powered by an independent DC power supply, with isolation between the power supply input output.

2. Standard 35mm DIN rail card installation. Plug and unplug terminal block with spring compression connection.

3、 Technical indicators

1. Power supply:

Power supply voltage range: 20~30VDC

Rated supply voltage: 24VDC

Current consumption (when powered by 24VDC):<50mA (1 in 1 out)<60mA (1 in 2 out); <110mA (2 in and 2 out)

2. Input from danger zone:

Input signal: transmitter current signal 4-20mA

Input impedance: 24 Ω

Power distribution for transmitter: ≥ 16VDC

Input current: approximately 24mA

3. Output to the safe zone:

Output current: 4-20mA; 0-20mA; 0-10mA; other specified currents

Output voltage: 1-5V; 0-5V; 0-10V; other specified voltages

Load resistance: ≤ 350 Ω (factory default) when outputting 4-20mA; When outputting 1-5V, ≥ 100K Ω

4. Comprehensive general parameters:

Standard accuracy: ± 0.1%

Temperature drift: ± 0.015%/℃

Response time:<10ms

Isolation capability: 2.5KV, 1min, 50Hz between input output power supply

Insulation resistance: ≥ 100M Ω/500VDC between input output power supply

Shell material: PC (polycarbonate) material

Dimensions: 16 × 116 × 110 (mm)

Working environment temperature: -20 to+60 ℃

Suitable for connecting on-site equipment and hazardous areas: two-wire or three wire transmitters. Zone 0, Zone 1, Zone 2; IIA, IIB, IIC hazardous areas.

5. Explosion proof grade mark: [Exia Ga] IIC