Allen Bradley 1797-PS2E2 Flex Ex I/O Power Supply

Product Introduction

The Allen Bradley 1797-PS2E2 Flex EX I/O Power Supply is a high-performance, industrial-grade power module specifically designed for hazardous and demanding environments. It provides reliable and stable DC power to FLEX EX I/O modules while offering enhanced safety features, including galvanically isolated outputs and flame-proof enclosure protection.

This power supply supports a 24 V DC input range (12–32 V DC) and delivers Quad-EX outputs with 9.5 V DC, providing 4 outputs rated at 8.5 W each. The isolated outputs prevent ground loops and protect connected devices from electrical disturbances, making it suitable for critical industrial and process automation applications. Its flame-proof enclosure allows safe operation in explosive or hazardous environments, complying with stringent safety standards.

With a robust design and DIN rail/panel mounting capability, the 1797-PS2E2 ensures dependable power distribution to multiple I/O modules, making it ideal for process control, chemical plants, oil and gas facilities, and other industrial systems requiring high-reliability and safety-compliant power delivery.

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Product Specifications

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Applications

• Hazardous environment automation requiring flame-proof power supplies

• Process control systems needing stable and isolated DC power for multiple I/O modules

• Oil, gas, and chemical industries with safety-critical requirements

• Distributed FLEX EX I/O networks with galvanically isolated outputs

• Industrial panels where reliable Quad-EX output is needed

• Suitable for high-reliability, explosion-proof, and safety-sensitive installations

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Advantages

• Galvanically isolated outputs protect connected devices from electrical faults

• Quad-EX outputs allow simultaneous powering of multiple I/O modules

• Flame-proof enclosure ensures safe operation in hazardous areas

• High output power (4 × 8.5 W) supports demanding industrial loads

• Wide input voltage range (12–32 V DC) provides flexibility in installation

• Reliable and robust design for continuous operation in critical environments

FAQ

1. What is the main function of the 1797-PS2E2 power supply?
It provides stable, isolated DC power to FLEX EX I/O modules while ensuring safe operation in hazardous environments.

2. What input voltage does it support?
It operates on 24 V DC input within a 12–32 V DC range.

3. What output voltage and power are provided?
It provides Quad-EX outputs at 9.5 V DC, each capable of delivering 8.5 W.

4. How does galvanic isolation benefit the system?
It prevents ground loops and protects devices from voltage disturbances, enhancing system reliability.

5. Is this module suitable for hazardous environments?
Yes, its flame-proof enclosure allows safe operation in explosive or hazardous areas.

6. How many I/O modules can it power simultaneously?
It can power multiple FLEX EX I/O modules through its four Quad-EX outputs.

7. What installation options are available?
It can be mounted on DIN rails or integrated into control panels.

8. Does it require maintenance?
Minimal maintenance is needed; regular inspection of wiring and load connections is recommended.

9. What industries benefit most from this module?
Chemical, oil and gas, and process industries requiring safe and reliable distributed I/O power.

10. What makes this power supply ideal for critical applications?
Its combination of isolated outputs, high power, flame-proof design, and robust construction ensures safe, continuous operation in demanding environments.

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