Allen Bradley 1738-OB8EM12 Digital Output Module

Product Introduction

The Allen-Bradley 1738-OB8EM12 Digital Output Module is a compact and rugged module designed for use in ArmorPoint 1738 I/O systems. It provides 8 digital outputs with 24V DC sourcing (NPN) type, offering reliable and precise switching for industrial automation applications.

This module is ideal for controlling actuators, indicator lights, solenoids, and other devices that require discrete output signals. Its robust design ensures high environmental resistance, making it suitable for demanding industrial environments, including washdown and harsh conditions.

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Product Specifications

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Applications

• Industrial automation systems, providing discrete control signals for actuators, solenoids, and relays

• Indicator and signaling systems, switching lights or alarms in control panels

• Machine control modules, integrating with ArmorPoint 1738 distributed I/O networks

• Harsh environment installations, thanks to high IP ratings (up to IP69K)

• Waterproof or washdown conditions, including food, beverage, and chemical industries

• Flexible control architectures, enabling modular expansion of digital outputs

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Advantages

• Compact and lightweight design for tight panel installations

• High environmental protection, resistant to dust, water, and chemicals (IP65–IP69K)

• Reliable digital output switching, supporting up to 1 A per output

• Integrated ArmorPoint design, enabling easy installation and network connectivity

• Wide operating temperature range, suitable for harsh industrial environments

• Modular expandability, compatible with other 1738 I/O modules

FAQ

1. How many digital outputs does the 1738-OB8EM12 support?
   It provides 8 digital outputs, allowing discrete control of actuators, lights, and relays in industrial automation systems.

2. What type of digital outputs does this module use?
   The module uses 24V DC sourcing (NPN) outputs, which are compatible with standard industrial devices requiring discrete control signals.

3. What is the maximum current per output and per module?
   Each output can handle up to 1 A, and the maximum current for the entire module is 2 A, ensuring safe operation under normal load conditions.

4. What power supply voltage is required for operation?
   The module operates on a 24V DC power supply, which is standard for most ArmorPoint 1738 I/O systems.

5. What environmental protection (IP rating) does this module offer?
   It provides IP65, IP66, IP67, and IP69K protection, making it resistant to dust, water, and high-pressure washdowns.

6. What is the operating temperature range of the module?
   It can operate safely between -20 °C and 60 °C, ensuring stable performance in typical industrial environments.

7. Is the module suitable for high-humidity or wet conditions?
   Yes, it can operate reliably in relative humidity up to 95% and withstand exposure to washdown or splash conditions.

8. Can this module be used in washdown or harsh environments?
   Yes, with IP69K protection, it is designed to endure high-pressure, high-temperature washdown environments commonly found in food, beverage, and chemical industries.

9. Which systems is this module compatible with?
   It is compatible with Allen-Bradley ArmorPoint 1738 distributed I/O systems, allowing easy integration into modular industrial control architectures.

10. What types of devices can the 1738-OB8EM12 control?
    The module can control solenoids, actuators, indicator lights, relays, and other discrete output devices that require 24V DC sourcing signals.

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