
Product Description
Allen-Bradley 1738-EP24DC POINT I/O Power Supply - Reliable 24V DC Industrial Power Solution
The Allen-Bradley 1738-EP24DC POINT I/O Power Supply delivers dependable 24V DC power distribution for demanding industrial automation environments. Engineered to support 5 to 17 I/O modules simultaneously, this compact power supply ensures consistent performance across distributed control architectures.
Technical Specifications
- Model Number: 1738-EP24DC
- Input Voltage Range: 10-28.8V DC
- Output Voltage: 24V DC nominal (12V/24V compatible)
- Module Capacity: Powers 5-17 POINT I/O modules
- Operating Temperature: 0°C to 60°C (32°F to 140°F)
- Mounting: DIN rail compatible
- Protection Rating: IP20 enclosure
- Certifications: UL, CE, CSA approved
Key Features & Benefits
Flexible Power Distribution: Supports mixed 12V and 24V DC module configurations within the same POINT I/O system, reducing inventory complexity and installation time.
Wide Input Voltage Tolerance: Operates reliably across 10-28.8V DC input range, accommodating voltage fluctuations common in industrial power networks without requiring additional regulation.
Scalable Architecture: Modular design allows seamless expansion from 5 to 17 I/O modules as system requirements grow, protecting your automation investment.
Diagnostic LED Indicators: Real-time status monitoring through integrated LEDs enables rapid troubleshooting and minimizes downtime during maintenance operations.
Application Scenarios
Manufacturing Assembly Lines: Powers distributed I/O networks controlling conveyor systems, robotic pick-and-place stations, and quality inspection sensors across production floors.
Process Control Systems: Provides reliable power for analog input modules monitoring temperature, pressure, and flow sensors in chemical processing and water treatment facilities.
Material Handling: Supports digital I/O modules managing automated guided vehicles (AGVs), sortation systems, and warehouse automation equipment.
Packaging Machinery: Delivers consistent power to high-speed packaging line controls, ensuring precise timing and synchronization across multiple stations.
Integration & Compatibility
The 1738-EP24DC integrates seamlessly with Allen-Bradley POINT I/O modules including digital input/output, analog I/O, specialty modules, and communication adapters. Compatible with EtherNet/IP, ControlNet, and DeviceNet network architectures through appropriate adapter modules.
Works with Allen-Bradley ControlLogix, CompactLogix, and MicroLogix programmable controllers, as well as third-party controllers supporting standard industrial protocols.
Installation & Configuration
Simple DIN rail mounting enables quick installation in standard industrial enclosures. Hot-swappable design allows module replacement without powering down the entire I/O system. Wiring terminals accept 12-22 AWG conductors with removable terminal blocks for simplified maintenance.
Common Questions Answered
Q: Can this power supply support both 12V and 24V modules simultaneously?
A: Yes, the 1738-EP24DC provides both 12V and 24V DC outputs, allowing mixed-voltage module configurations on the same power supply base.
Q: What happens if I exceed the 17-module limit?
A: The power supply includes overcurrent protection that will activate. For systems requiring more than 17 modules, add an additional 1738-EP24DC power supply to distribute the load.
Q: Is this compatible with ArmorPoint I/O modules?
A: Yes, the 1738-EP24DC powers both standard POINT I/O and ArmorPoint I/O modules designed for harsh environments.
Q: Does it require external fusing?
A: While the power supply includes internal protection, Allen-Bradley recommends external branch circuit protection per NEC/local electrical codes.
Warranty & Support
Every Allen-Bradley 1738-EP24DC POINT I/O Power Supply includes a comprehensive 12-month manufacturer warranty covering defects in materials and workmanship. Our technical support team provides installation guidance, troubleshooting assistance, and configuration recommendations throughout the product lifecycle.
Related Products You May Need
Explore complementary POINT I/O components to complete your automation system:
- Allen-Bradley 1738-AENT EtherNet/IP Adapter - Network connectivity for POINT I/O systems
- Allen-Bradley 1734-OB4E Digital Output Module - 4-point 24V DC output module
- Allen-Bradley 1734-IE2C Analog Input Module - 2-channel current/voltage input
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