Product Introduction
The Allen-Bradley 1734-OA4 Digital Output Module is a compact and reliable AC output module designed for use in Allen-Bradley Point I/O systems. It provides precise ON/OFF control for up to four field devices, such as relays, solenoids, and indicator lamps.
This module is engineered for distributed I/O applications, allowing flexible installation close to the field while ensuring consistent and safe operation. Its small form factor and modular design make it ideal for scalable industrial automation solutions.
Product Specifications
| Parameter |
Description |
| Product Name |
Digital Output Module |
| Model |
1734-OA4 |
| Product Series |
Point I/O (Bul. 1734) |
| Component Type |
Fieldbus I/O |
| Number of Digital Outputs |
4 |
| Digital Output Type |
AC |
| Digital Output Range |
74 – 264V AC |
| Rated Current per Digital Output, Max |
0.75 A |
| Rated Current per Module, Max |
2 A |
| Power Supply |
120/230V AC |
| Operating Temperature, Max |
55 °C |
| Operating Temperature, Min |
-20 °C |
| Storage Temperature, Max |
85 °C |
| Storage Temperature, Min |
-40 °C |
| Relative Humidity, Max |
95 %RH |
| Humidity Type |
Non-condensing |
| Dimensions |
56 × 12 × 75.5 mm |
| Weight |
0.031 kg |
Applications
● Industrial automation control
Provides precise ON/OFF digital output control for relays, solenoids, and indicator lamps.
● Distributed I/O networks
Used in Point I/O systems for flexible installation close to field devices.
● Process monitoring
Supports digital output operations in process control and manufacturing systems.
● Machine control
Enables compact digital output solutions for modular machinery and automated production lines.
● System expansion
Adds multiple digital output channels to existing Point I/O networks with minimal wiring changes.
Advantages
● Compact and lightweight design
Fits into tight control panels while providing multiple output channels.
● Reliable AC output
Each output provides stable AC switching up to 0.75 A, with total module support of 2 A.
● Flexible voltage range
Operates from 74 to 264V AC, suitable for varied industrial power systems.
● Modular architecture
Easily integrates into Point I/O systems for scalable and distributed automation.
● Industrial-grade environmental tolerance
Supports -20 °C to 55 °C and non-condensing humidity up to 95 %RH.
● Ease of maintenance
Standardized module design allows simple replacement and diagnostics.
FAQ
1. What is the main purpose of this module?
It provides ON/OFF digital outputs for field devices, converting controller signals into reliable switching actions for relays, solenoids, or indicator lamps.
2. How many digital outputs does the module provide?
The module has 4 AC outputs, allowing multiple devices to be controlled independently.
3. What is the maximum current per output?
Each output supports up to 0.75 A, ensuring safe operation for typical industrial AC loads.
4. What is the maximum total current for the module?
The total module current is 2 A, allowing simultaneous operation of all outputs without exceeding limits.
5. What AC voltages can the module handle?
It supports a range of 74 to 264V AC, making it compatible with various industrial power systems.
6. Can it operate in high-humidity environments?
Yes, it supports up to 95 %RH non-condensing. Protective design ensures reliable operation in industrial settings.
7. What is the operating temperature range?
It functions reliably between -20 °C and 55 °C, covering most industrial ambient conditions.
8. Is it compatible with Allen-Bradley Point I/O networks?
Yes, it integrates seamlessly with Point I/O systems, enabling distributed digital output control.
9. How does it support system modularity?
The module allows easy addition of multiple outputs without major rewiring, simplifying expansion and maintenance.
10. How can operators monitor the module status?
Status LEDs indicate output activity and faults, allowing quick identification of operational issues and aiding maintenance.
Related Models
| Model |
Description |
| 1734-OA2 |
2-channel AC digital output module |
| 1734-OB2 |
AC output variant for different voltage loads |
| 1734-OE2 |
DC output module |
| 1734-IB2 |
Digital input module |
| 1734-IA8 |
High-channel digital input module |
| 1734-AO8 |
Analog output module |
Popular Models
| Model |
Application Area |
| 1734-IB8 |
Digital input module |
| 1734-OB16 |
AC digital output module |
| 1734-AENTR |
Ethernet adapter module |
| 1734-AENT |
EtherNet/IP adapter module |
| 1734-IA16 |
Analog input module |
| 1734-AO8 |
Analog output module |
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