8618059276824
sales7@nseauto.com
enLanguage

Allen-Bradley 1757

Your Professional Allen-Bradley 1757 Supplier

 

Our goal is to become your true partner in the field of Allen-Bradley 1757 in China. We specialize in PLC modules, DCS control cards, ESD control cards, turbine supervisory, vibration monitoring and asset protection system. We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 
 

Why Choose Us

 

 

Product application: Our products are ABB, Bently Nevada, Invensys, etc. These products are widely used in CNC machinery and metallurgy, oil and gas, petrochemical, chemical and other industries.


Our experience: We are an industrial automation equipment supplier, we focus on PLC DCS and TSl system modules and spare parts for 10 years.


Our services: In the pre-sales stage, our team of experts will recommend the most suitable products according to the needs of customers and provide detailed technical consultation. During the sales period, we ensure timely delivery and provide installation guidance. For after-sales, we provide long-term technical support, warranty services and spare parts to help customers maximize the use of products and get reliable maintenance during use.

 

Allen-Bradley 1757-SRM SER B ControlLogix Redundancy Module

 

Advantages of Allen-Bradley 1757

Flexible design: The modular architecture of ControlLogix PLCs allows for easy customization and adaptation to different project needs.


Scalability: These PLCs are designed to accommodate future growth and changes in application requirements.


Enhanced reliability: ControlLogix PLCs are designed for robustness and reliability, featuring features like redundancy modules and hot-swappable components to minimize downtime.


Increased productivity: Automation through PLCs reduces human error and improves production speeds, leading to higher overall productivity.

 

 

Specification of Allen-Bradley 1757

 

 

Item

Details

IEC temperature code

T4

Backplane current

0.75 A

Mounting

ControlLogix chassis

Dimensions (Length)

15cm

Dimensions (Width)

8 cm

Dimensions (Height)

15cm

Weight

0.5 Kg

Brand

Allen - Bradley

Manufacturer

Rockwell Automation

Part Number

1757 - SRM

 

Features of Allen-Bradley 1757

Dual controller hot standby

Pair two 1757-SRM modules (installed in the main/standby chassis respectively) and pair them with the 1756-SRM in another rack to achieve controller redundancy.


Dual slot module

1757-SRM occupies 2 slots of the ControlLogix chassis.

Fiber port configuration

Supports 62.5/125μm multimode fiber (SC interface), with a transmission distance of up to 500 meters (depending on the fiber model).

Chassis support

Requires 1756-A4/A7/A10/A13/A17 series B chassis.

Power requirements

Requires 1756-PA72/PA75/PB72/PB75 power modules.

 

 

Components of Allen-Bradley 1757

This two-slot module features fiber-optic connectivity via a 62.5/125-micron multi-mode cable with SC connectors, establishing a synchronization link between a primary and secondary 1757-SRM unithoused in identical chassis. Equipped with comprehensive LED indicators for module status, primary identification, communication integrity, and system health, this unit ensures seamless operation in critical processes where uninterrupted system performance is paramount.

Allen-Bradley 1757-SRM SER B ControlLogix Redundancy Module

 

Application of Allen-Bradley 1757

 

 

1757-SRM version B is a control logic redundancy module produced by Allen-Bradley. This module is used for process logic and control logic systems. It is paired with 1756-SRM in another control logic chassis to achieve controller redundancy. It is a dual-slot module with an integrated fiber optic port suitable for 62.5/125 micron multimode fiber optic cable with SC connector. The product is marked as CL I, "DIV 2, GP A, B, C, D", and is only suitable for Class I, Zone 2, Group A, B, C, D hazardous locations and non-hazardous locations.

 

 

Packing and Shipping of Allen-Bradley 1757

 

 

Packing

Box

Shipping

Shipped by road, sea, rail

Payment method

T/T (Telegraphic Transfer)

 

 

FAQ

 

 

Q: What is the role of Allen-Bradley PLCs in machine control?

A: Smart devices and machines from Allen-Bradley deliver measurable results by enhancing safety, increasing quality, and optimizing plant performance. PLCs, HMIs, and other automation components work together to create a cohesive control environment that improves operational efficiency and reduces downtime.

Q: What are the four main components of a PLC?

A: The four main components of a Programmable Logic Controller (PLC) are the CPU (Central Processing Unit), Power Supply, Input/Output (I/O) modules, and a Programming Device.

Q: What is the redundancy module in PLC?

A: Redundancy in PLC (Programmable Logic Controller) systems refers to the inclusion of additional components or systems that can take over operations in the event of a failure. This concept is crucial in industries where continuous operation is critical, such as manufacturing, energy, and transportation.

Q: What is the difference between diode module and redundancy module?

A: A Redundant power supply ensures that the failure of one power supply unit does not result in system downtime. ORing Diodes are used to connect multiple supplies together to enhance system reliability. A diode also allows a supply to disconnect if it has insufficient output voltage.

Q: What is redundancy in control systems?

A: Redundancy is the duplication or backup of critical components or functions in a system to ensure that it can continue to operate in case of failure or disruption. Redundancy can be applied at different levels, such as hardware, software, network, or data.

Q: What is the difference between redundant and parallel?

A: The parallel connection allows for a higher total power by connecting multiple power supply units, while redundancy provides high availability by using extra power supply units as reserves.

As one of the leading allen-bradley 1757 manufacturers and suppliers, we warmly welcome you to buy discount allen-bradley 1757 from our factory. All our products are with high quality and competitive price.

allen bradley 1757, Allen Bradley 1757 SRM SER B ControlLogix Redundancy Module, Allen Bradley 1757 SRM