Allen Bradley 1734-OB4E Digital Output Module

Product Introduction

The Allen-Bradley 1734-OB4E Digital Output Module is a 4-channel DC sourcing output module designed for Point I/O systems. It provides four NPN sourcing 24V DC outputs for controlling small actuators, relays, or indicator devices in industrial automation applications.

This module is ideal for distributed control systems requiring multiple digital outputs with robust electronic protection. It integrates with the POINTBus interface and supports DIN rail or panel-mounted installations, ensuring reliable operation in a wide range of industrial environments.

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Product Specifications

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Applications

● Distributed control systems
Delivers four reliable DC sourcing outputs for actuators, relays, and indicator devices.

● Industrial automation
Used in machinery and process control systems requiring multiple output channels.

● Panel and DIN rail installations
Flexible mounting supports industrial control cabinets and localized control points.

● System expansion
Adds four DC output channels to Point I/O systems without extensive rewiring.

● Small actuator and indicator control
Drives standard 24V DC devices in distributed automation setups.

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Advantages

● Multiple output channels
Four outputs allow independent control of several devices from a single module.

● Reliable NPN sourcing outputs
Ensures stable and predictable 24V DC operation for industrial devices.

● Robust electrical protection
Overcurrent and short-circuit protection safeguard the module and connected devices.

● Flexible integration
Seamlessly works with POINTBus and other Point I/O modules for distributed control.

● Industrial-grade operation
Operates reliably under industrial conditions with -20 °C to 55 °C and up to 95% relative humidity.

● Compact and modular design
Supports distributed control architectures and easy system expansion.

FAQ

1. What is the primary function of this module?
It provides four 24V DC sourcing outputs to control actuators, relays, or indicator lamps in a Point I/O system.

2. How many digital outputs does it provide?
The module offers 4 independent outputs, enabling multiple devices to operate simultaneously.

3. What type of outputs does the module use?
It uses NPN sourcing DC outputs, delivering positive voltage to connected devices.

4. What voltage range is supported for the outputs?
Each output operates between 10 and 28.8V DC, compatible with small industrial DC devices.

5. What is the maximum current per output?
Each output can supply up to 1 A, providing reliable operation for standard actuators and indicators.

6. What is the total current capacity of the module?
The module supports up to 3 A total, allowing all outputs to function at full load.

7. Can it be integrated into distributed control systems?
Yes, it works with POINTBus backplanes to reduce wiring and place outputs close to field devices.

8. How does it ensure safe operation?
The module has electronic protection for overcurrent and short-circuit conditions.

9. Is it compatible with other Point I/O modules?
Yes, it integrates seamlessly with other modules in Point I/O networks for scalable control.

10. What environmental conditions can it handle?
It operates in temperatures from -20 °C to 55 °C and can handle up to 95% relative humidity in industrial environments.

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