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Allen Bradley 1756-RM ControlLogix Redundancy Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen Bradley 1756-RM is a ControlLogix Redundancy Module designed to enable seamless operation of redundant power supply configurations in ControlLogix systems. Its primary function is to monitor and coordinate dual power supplies, ensuring that if one supply fails, the secondary module immediately maintains uninterrupted backplane power, keeping controllers, communication modules, and I/O devices operational.
This module is critical for high-availability industrial automation environments, including manufacturing plants, process control systems, material handling operations, and utility automation. It integrates easily into a standard ControlLogix chassis and works with both AC and DC redundant power supply configurations, providing reliable load sharing and automatic switchover.
Product Specifications
| Parameter | Description |
|---|---|
| Product Name | Allen Bradley 1756-RM |
| Series | ControlLogix |
| Type | Redundancy Module |
| Function | Manages dual power supply operation and automatic switchover |
| Redundancy Support | Yes, supports two power supplies |
| Mounting Method | ControlLogix chassis |
| Backplane Compatibility | Standard ControlLogix backplane |
| Protection Features | Electrical isolation, fault detection |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.5 kg |
| Operating Environment | Industrial control cabinets |
| Installation Requirement | Requires two compatible power supplies for redundancy |
Applications
• Redundant Power Systems to eliminate single points of failure in ControlLogix automation.
• Process Control Plants such as chemical, petrochemical, and pharmaceutical facilities.
• High-Availability Manufacturing Lines where continuous operation is critical.
• Power Generation Automation requiring uninterrupted controller and I/O operation.
• Material Handling Systems where downtime could disrupt production or logistics.
Advantages
• Automatic Switchover — Maintains continuous backplane power during primary supply failure.
• Seamless Integration — Works with AC or DC redundant power supply modules.
• Compact Design — Minimal chassis space required for redundancy implementation.
• Reliable Backplane Connectivity — Ensures consistent electrical load sharing.
• Industrial-Grade Construction — Durable design suitable for control cabinets.
• Enhanced System Reliability — Reduces risk of downtime in critical industrial environments.
FAQ
-
What is the primary function of the 1756-RM?
It coordinates dual power supply operation to provide uninterrupted backplane power and automatic switchover. -
Does it require software configuration?
No software configuration is needed; redundancy management is handled automatically. -
Can it support both AC and DC redundant power supplies?
Yes, when paired with compatible ControlLogix redundant power modules. -
Does the module provide status indication?
Yes, it integrates with connected power supply LEDs for fault and operational status monitoring. -
Is hot-swapping supported?
Redundant power supplies can be replaced while the system remains operational if proper procedures are followed. -
How does it manage load sharing?
It automatically distributes electrical load between two connected power supplies. -
Can it be used in multi-rack systems?
Yes, it is suitable for multiple ControlLogix racks requiring redundancy. -
Does it improve system reliability?
Yes, it reduces downtime risk by enabling dual power supply operation. -
What installation considerations are critical?
Ensure correct slot placement, secure mounting, and proper connection to both power supplies. -
Is it suitable for mission-critical industrial applications?
Yes, it is widely used in high-availability systems where uninterrupted power is essential.
Related Models
| Model | Description | Type | Function |
|---|---|---|---|
| 1756-PB75R | Redundant DC Power Supply | DC | Provides backplane redundancy |
| 1756-PA75R | Redundant AC Power Supply | AC | Supports redundant AC operation |
| 1756-PSCA2 | Redundant Power Supply Chassis Adapter | Adapter | Connects dual power supplies for redundancy |
| 1756-PSCA2/A | Redundant Power Supply Adapter | Adapter | Dual supply load sharing |
| 1756-PB75 | Standard DC Power Supply | DC | Primary chassis power |
| 1756-PA75 | Standard AC Power Supply | AC | Primary chassis power |
Popular Models
| Model | Category | Key Feature |
|---|---|---|
| 1756-L81E | ControlLogix Controller | Integrated EtherNet/IP |
| 1756-L83E | Advanced ControlLogix Controller | High memory and processing speed |
| 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 | Multi-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.
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