Excellent PLC
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Allen Bradley 1756-PB75R/A ControlLogix Rack Mount Redundant Power Supply
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen Bradley 1756-PB75R/A is a rack-mount redundant DC power supply designed for high-availability ControlLogix systems. This module ensures stable and continuous backplane power for controllers, communication modules, and I/O cards, even in critical industrial operations where uptime is essential.
The 1756-PB75R/A supports redundant configurations, allowing two units to operate in parallel so that if one power supply fails, the other immediately maintains system operation. It accepts DC input voltage within industrial ranges and delivers regulated output to the ControlLogix chassis, ensuring reliable performance in demanding automation environments.
This module is widely used in process control, energy production, petrochemical facilities, large-scale manufacturing, and infrastructure automation, providing secure and consistent power to mission-critical systems.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen Bradley 1756-PB75R/A |
| Series | ControlLogix |
| Type | Rack Mount Redundant DC Power Supply |
| Input Voltage Range | 19–32 V DC |
| Output Voltage | 5 V DC |
| Output Current | 13 A |
| Redundancy Support | Yes |
| Mounting Method | Rack Mounted |
| Backplane Compatibility | ControlLogix Chassis |
| Protection Features | Overcurrent and internal fault protection |
| Dimensions | 175 x 145 x 137 mm |
| Weight | 1.45 kg |
Applications
• Redundant PLC Systems in continuous production facilities requiring uninterrupted operation.
• Process Automation Plants such as chemical, petrochemical, and pharmaceutical industries.
• Power Generation Systems that demand reliable backplane power.
• Distributed I/O Architectures with multiple ControlLogix racks.
• Critical Manufacturing Lines where system downtime can result in safety or production losses.
Advantages
• High Availability Redundancy — Supports dual power supply operation to prevent single points of failure.
• Stable Backplane Power — Provides consistent voltage to controllers and I/O modules.
• Industrial-Grade Design — Built for demanding electrical cabinet environments.
• Seamless Integration — Fully compatible with ControlLogix redundant architecture.
• High Output Capacity — Delivers sufficient current to support multiple modules in a chassis.
FAQ
-
How does the redundant configuration operate?
Two units work in parallel; if one fails, the other automatically provides full power to the chassis without interruption. -
Is software configuration required for operation?
No programming or software setup is necessary; the module operates automatically once installed. -
What type of input power is recommended?
A stable DC source within the specified voltage range with upstream protection is recommended. -
Does the module provide operational status indication?
Yes, front-panel LED indicators show power and fault status clearly. -
Can this module be used in standard ControlLogix chassis?
Yes, provided the chassis supports redundant power configurations. -
What internal protections are included?
The supply includes overcurrent and fault protection mechanisms to safeguard the backplane and modules. -
Can one unit be replaced without shutting down the system?
In a redundant setup, one unit can be replaced while the other maintains operation if proper procedures are followed. -
How does this module improve system stability?
It delivers regulated 5 V DC to the backplane, ensuring stable controller and I/O performance. -
What installation practices optimize performance?
Proper grounding, secure rack mounting, and sufficient cabinet ventilation are essential. -
Does the module support load sharing?
Yes, redundant units automatically share the load when installed correctly.
Related Models
| Model | Description | Input Type | Output Capacity |
|---|---|---|---|
| 1756-PB75 | Standard DC Power Supply | 18–32 V DC | 95 W |
| 1756-PB72 | DC Power Supply | 18–32 V DC | 75 W |
| 1756-PB50 | DC Power Supply | 18–32 V DC | 60 W |
| 1756-PA75R | Redundant AC Power Supply | 120–240 VAC | 75 W |
| 1756-PA75 | AC Power Supply | 120/240 VAC | 75 W |
| 1756-PA72 | AC Power Supply | 120/240 VAC | 75 W |
Popular Models
| Model | Category | Key Feature |
|---|---|---|
| 1756-L73 | ControlLogix Controller | High memory capacity |
| 1756-L81E | ControlLogix Controller | Integrated EtherNet/IP |
| 1756-EN2T | Communication Module | High-speed EtherNet/IP |
| 1756-IB16 | Digital Input Module | 16-point input |
| 1756-OB16E | Digital Output Module | Protected outputs |
| 1756-IF8 | Analog Input Module | 8-channel analog input |
| 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.
Click to rate this post!
[Total: 0 Average: 0]
