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Allen Bradley 1762-OA8 MicroLogix 8 Point Digital Solid State Output Module
- Product Details
- FAQs
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- Packing & Delivery
- Product Ratings
Product Introduction
The Allen Bradley 1762-OA8 MicroLogix 8 Point Digital Solid State Output Module is a compact AC output expansion module designed for MicroLogix controllers. Manufactured by Allen-Bradley, this module provides eight solid-state AC output channels for controlling field devices such as contactors, solenoids, pilot lights, and small motors.
Designed as part of the 1762 Compact I/O family, the 1762-OA8 integrates directly with MicroLogix 1100, 1200, and 1400 controllers. It offers reliable switching performance using solid-state output circuitry, eliminating mechanical wear associated with relay contacts. This makes it especially suitable for applications requiring frequent switching and long-term operational stability.
With its compact dimensions and DIN rail mounting capability, the module fits easily into space-constrained control panels while delivering dependable AC output control in industrial environments.
Product Specifications
| Parameter | Specification |
|---|---|
| Product Type | 8-Point Digital Solid State Output Module |
| Output Type | AC Solid State |
| Number of Outputs | 8 |
| Operating Voltage Range | 85 to 265 V AC |
| Voltage Category | 100 to 240 V AC |
| Continuous Current per Point (max) | 0.5 A at 30 °C |
| Continuous Current per Common (max) | 2.0 A at 30 °C |
| Continuous Current per Module (max) | 4.0 A at 30 °C |
| Isolation | Channel-to-backplane isolation |
| Mounting | DIN Rail |
| Operating Temperature | 0 to 55 °C (typical industrial range) |
| Dimensions | 90 x 87 x 40.4 mm |
| Weight | 0.215 kg |
Applications
• Industrial Machine Control – Controls AC-powered devices such as contactors, lamps, and solenoids in machine automation systems.
• Packaging Equipment – Provides reliable switching for sealing units, conveyors, and actuators.
• Material Handling Systems – Operates AC motor starters and signaling devices.
• Process Control Panels – Used for output control of AC loads in small to medium process applications.
• Building and Utility Systems – Suitable for switching AC-powered control elements in HVAC and facility automation.
Advantages
• Solid-State Reliability – No mechanical contacts, reducing wear and increasing switching lifespan.
• Compact Expansion Design – Integrates seamlessly with MicroLogix controllers.
• High Voltage Flexibility – Supports a wide AC voltage range from 85 to 265 V AC.
• Thermally Rated Performance – Clearly defined current ratings ensure safe operation at 30 °C ambient conditions.
• Electrical Isolation – Protects the controller backplane from field voltage disturbances.
• Consistent Output Performance – Maintains stable switching characteristics under industrial load conditions.
FAQ
-
What type of loads can the 1762-OA8 control?
The module is designed for AC loads within the specified voltage and current ratings, including contactors, solenoids, pilot lamps, and small AC-driven devices. -
Does the module support inductive loads?
Yes, but appropriate surge suppression devices such as RC snubbers should be used to protect the output circuitry. -
How is current distributed across commons?
Outputs are grouped by commons, and the total current per common must not exceed 2.0 A at 30 °C. -
Is there protection against short circuits?
The module includes electronic protection mechanisms, but external branch protection devices are recommended. -
Can outputs be switched at high frequency?
Solid-state outputs allow faster switching compared to relay modules, but switching frequency should remain within industrial control norms. -
What happens if the per-module current limit is exceeded?
Exceeding the 4.0 A per-module rating may cause overheating and potential output failure; proper load distribution is required. -
Is channel-to-channel isolation provided?
Isolation is provided between the field side and backplane; channel grouping depends on common configuration. -
Does temperature affect output current capability?
Yes, current ratings are specified at 30 °C. Higher ambient temperatures may require derating. -
Can the module be hot-swapped?
Hot swapping is not recommended; power should be removed before installation or replacement. -
How does solid-state output differ from relay output?
Solid-state outputs switch electronically without mechanical movement, offering faster response and longer operational durability.
Related Models
| Model | Description |
|---|---|
| 1762-OW8 | 8-Point Relay Output Module |
| 1762-OB8 | 8-Point DC Output Module |
| 1762-IQ8 | 8-Point Digital Input Module |
| 1762-IF4 | 4-Channel Analog Input Module |
| 1762-OF4 | 4-Channel Analog Output Module |
| 1762-IA8 | 8-Point AC Input Module |
Popular Models
| Model | Description |
|---|---|
| 1766-L32BXB | MicroLogix 1400 Controller |
| 1769-L33ER | CompactLogix Controller |
| 1756-L73 | ControlLogix Processor |
| 1734-AENT | POINT I/O Ethernet Adapter |
| 25B-D024N104 | PowerFlex 525 Drive |
| 1606-XLE120E | Industrial Power Supply |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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