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Allen Bradley 1756-L1M2 ControlLogix Logix5550 Processor
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Product Introduction
The Allen Bradley 1756-L1M2 ControlLogix Logix5550 Processor is a high-performance programmable automation controller (PAC) designed for the ControlLogix platform. It serves as the central processing unit (CPU) for complex industrial automation tasks, including real-time control, data acquisition, motion control, and communication with I/O and network modules.
With 1 MB of user memory, the L1M2 processor is capable of handling large and sophisticated control programs, making it suitable for applications ranging from discrete manufacturing to process automation. Its open-style enclosure allows flexible installation in industrial racks, while its electrical design ensures reliability under standard industrial environmental conditions.
The 1756-L1M2 offers robust isolation, precise control over backplane power consumption, and deterministic execution, enabling high-availability industrial control systems with predictable performance. It integrates seamlessly with other ControlLogix modules, supporting a wide range of analog, digital, and specialty I/O devices.
Product Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-L1M2 |
| Manufacturer | Allen Bradley |
| Product Type | Logix5550 Processor |
| System Compatibility | ControlLogix Platform |
| User Memory | 1 MB |
| Enclosure Type | Open-style |
| Isolation Voltage | 30 V continuous |
| Operating Temperature Range | 0 to 60°C (32 to 140 °F) |
| Minimum Operating Current | 2 mA @ 10 VDC |
| Maximum Operating Current | 3.5 mA @ 30 VDC |
| Max Off-State Input Current | 1.5 mA |
| Power Dissipation (Max) | 4.1 W at 60°C |
| Backplane Current @ 5 V | 120 mA |
| Backplane Current @ 24 V | 2 mA |
| Mounting Type | ControlLogix chassis backplane |
| Dimensions | 145.2 x 34.6 x 139.6 mm |
| Weight | 0.37 kg |
Applications
● Serves as the central processing unit for ControlLogix automation systems.
● Executes real-time control logic, including digital, analog, and motion control operations.
● Interfaces with ControlLogix I/O modules, networking modules, and communication devices.
● Used in manufacturing, process automation, and industrial systems requiring high-performance control.
● Supports data acquisition and logging, process optimization, and alarm monitoring.
● Provides a platform for implementing safety, redundancy, and deterministic control strategies.
Advantages
● High-performance Logix5550 processor with 1 MB user memory for complex programs.
● Open-style enclosure allows flexible installation in standard ControlLogix racks.
● Electrical isolation up to 30 V ensures protection of internal electronics.
● Deterministic execution of control logic supports reliable real-time automation.
● Low power dissipation reduces thermal stress and improves system reliability.
● Seamless integration with ControlLogix I/O and communication modules for scalable automation systems.
FAQ
1. What is the user memory available on the 1756-L1M2?
It provides 1 MB of user memory for application programs and data.
2. What type of enclosure does the module have?
It features an open-style enclosure suitable for standard ControlLogix chassis.
3. What is the operating temperature range?
The module operates between 0 to 60°C (32 to 140°F).
4. What is the maximum power dissipation?
Maximum power dissipation is 4.1 W at 60°C.
5. How much current does the processor draw from the backplane?
It draws 120 mA at 5 V and 2 mA at 24 V from the backplane.
6. What is the isolation voltage rating?
The module provides continuous electrical isolation up to 30 V.
7. Can it execute complex control programs?
Yes, with 1 MB of memory, it supports sophisticated control logic, data handling, and motion control routines.
8. Is it compatible with other ControlLogix modules?
Yes, it integrates seamlessly with analog, digital, motion, and communication modules within the ControlLogix platform.
9. Can it operate in a multi-module ControlLogix rack?
Yes, it supports installation alongside multiple I/O and specialty modules in the same chassis.
10. What types of applications is it suitable for?
It is suitable for manufacturing automation, process control, material handling, safety monitoring, and high-reliability industrial systems.
Related Models
| Model | Description | Key Technical Data |
|---|---|---|
| 1756-L71 | Logix5550 Processor | High-performance, larger memory module |
| 1756-L73 | Logix5550 Processor | Expanded memory, advanced functionality |
| 1756-L72 | Logix5550 Processor | Mid-range CPU for ControlLogix |
| 1756-L61 | Logix5550 Processor | Entry-level CPU module |
| 1756-EN2T | Ethernet Communication Module | Network interface for ControlLogix |
| 1756-PA75 | Power Supply Module | Redundant power for ControlLogix chassis |
Popular Models
| Model | Product Type | Key Features |
|---|---|---|
| 1756-IF16 | Analog Input Module | 16-channel voltage/current input |
| 1756-OB16 | Digital Output Module | 16-channel output with isolation |
| 1756-IB16 | Digital Input Module | 16-channel isolated input |
| 1756-IV32 | Sourcing Digital Input Module | 32-point digital inputs |
| 1756-IT6I | Isolated Thermocouple Input | 6-channel thermocouple input |
| 1756-EN2T | Ethernet Communication Module | Network connectivity for ControlLogix |
| 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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