Excellent PLC
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Allen Bradley 1756-OB32 ControlLogix DC Output Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1756-OB32 is a high-density ControlLogix DC output module designed to deliver reliable 12–24 VDC digital switching in demanding industrial automation systems. With thirty-two sourcing output channels in a single slot, this module is ideal for applications requiring large numbers of discrete outputs while maintaining compact panel design.
Engineered for integration within the ControlLogix platform, the 1756-OB32 communicates directly over the backplane and allows centralized control through Studio 5000. Its solid-state output design ensures fast switching performance and long operational stability when driving field devices such as relays, solenoids, contactors, and indicator lights.
The module supports a wide operating voltage range of 10–31.2 VDC, making it suitable for standard 24V DC industrial control systems. It is commonly deployed in manufacturing lines, material handling systems, packaging machinery, and process automation installations where high output density and stable switching performance are required.
Product Specifications
| Parameter | Description |
|---|---|
| Model | 1756-OB32 |
| Brand | Allen-Bradley |
| Series | ControlLogix |
| Module Type | DC Digital Output Module |
| Number of Outputs | 32 Outputs |
| Nominal Voltage | 12–24 VDC |
| Operating Voltage Range | 10–31.2 VDC |
| Output Type | 24V DC Sourcing |
| Continuous Current per Point | Approx. 0.5 A per channel |
| Backplane Current Draw | Approx. 300 mA @ 5.1V DC |
| Field Wiring Interface | 36-Pin Removable Terminal Block (RTB) |
| Isolation | Group-to-Backplane Isolation |
| Status Indicators | Individual Output Status LEDs |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.231 kg |
Applications
• High-density 24V DC output control in automated production environments
• Control of relays, solenoids, and contactor coils in machine automation
• Integration within material handling and conveyor systems
• Packaging, assembly, and robotic control applications
• Installations requiring compact design with large output capacity
Advantages
• Thirty-two outputs in a single slot, maximizing chassis space efficiency
• Wide 10–31.2 VDC operating range for flexible system compatibility
• Solid-state design for fast and reliable switching performance
• Clear LED status indicators per channel for simplified troubleshooting
• Seamless integration into ControlLogix distributed control architectures
• Suitable for large-scale automation systems requiring high output density
FAQ
-
What voltage range does the 1756-OB32 support?
It operates within a 10–31.2 VDC range, with a nominal rating of 12–24 VDC. -
Are the outputs sourcing or sinking?
The module provides 24V DC sourcing outputs. -
How many output channels are available?
The module provides 32 digital output points. -
Can each channel be monitored individually?
Yes, each output includes an LED status indicator. -
Is the module suitable for inductive loads?
Yes, but proper suppression devices are recommended for inductive equipment. -
Does it include electronic fuse protection per channel?
No, this model does not provide individual electronic fuse protection. -
What type of terminal block is required?
It uses a 36-pin removable terminal block. -
Is it compatible with redundant ControlLogix systems?
Yes, it can operate within redundant ControlLogix architectures. -
Can output configuration be adjusted in Studio 5000?
Yes, output behavior and parameters are configurable through the programming environment. -
Does a fault on one channel affect all outputs?
Channel faults are typically isolated within output groups, depending on wiring configuration.
Related Models
| Model | Description |
|---|---|
| 1756-OB16E | 16-Point Fused DC Output Module |
| 1756-OB16D | 16-Point Diagnostic DC Output Module |
| 1756-OB8 | 8-Point DC Output Module |
| 1756-OA8E | 8-Point AC Fused Output Module |
| 1756-IB32 | 32-Point DC Input Module |
| 1756-IF8 | 8-Channel Analog Input Module |
Popular Models
| Model | Description |
|---|---|
| 1756-L81E | ControlLogix 5580 Controller |
| 1756-EN2T | EtherNet/IP Communication Module |
| 1756-PA75 | ControlLogix Power Supply |
| 1756-A10 | 10-Slot ControlLogix Chassis |
| 1756-OF8 | 8-Channel Analog Output Module |
| 1756-IB16 | 16-Point DC Input Module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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