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1756-L55 | Allen-Bradley ControlLogix Processor Module for Industrial Automation Systems
- Regular price
- $497.00
- Sale price
- $497.00
- Regular price
-
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Product Description P/N: 1756-L55
Description
The Allen-Bradley 1756-L55 is a ControlLogix processor module designed for applications requiring reliable CPU performance within modular automation systems. This module provides essential controller functionality and supports multiple communication options through the ControlLogix backplane. The 1756-L55 is commonly deployed in medium to large industrial automation environments where dependable system control is required.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs and Accessories |
| Part Number | 1756-L55 |
| Subcategory | PLC Processor Modules |
| Series | ControlLogix |
| User Memory | None |
| Backplane Current (5.1 VDC) | 1.23–1.25 A |
| Backplane Current (24 VDC) | 0.014 A |
| Power Dissipation | 5.6–5.7 W |
| Thermal Dissipation | 19.1–19.4 BTU/hr |
| Isolation Voltage | 30 V continuous |
| Enclosure Type | Open-style |
| Battery | 1756-BA1 included |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | –40°C to 85°C |
| Communication Port | RS-232 |
| Test Voltage Rating | Withstands 707 VDC for 60 seconds |
| IEC Temperature Code | T4 |
| Compatible Cables | 1756-CP3, 1747-CP3 |
| Weight | 0.35 kg |
Information About 1756-L55
The 1756-L55 is a Series A ControlLogix processor module built to integrate seamlessly with Allen-Bradley’s modular 1756 platform. It operates without internal user memory and relies on external memory components and a 1756-BA1 battery to maintain operation. The module supports standard ControlLogix backplane communication, making it compatible with a wide range of I/O modules, communication adapters, and chassis configurations. Engineered for industrial conditions, it meets relevant environmental and electrical standards, allowing stable performance across the specified temperature and storage ranges.
Key Features:
- ControlLogix Architecture: Designed for use within 1756 ControlLogix systems requiring centralized processing.
- Backplane Power Compatibility: Supports 1.23–1.25 A at 5.1 VDC and 0.014 A at 24 VDC for reliable chassis communication.
- Open-Style Enclosure: Enables installation in protected control cabinet environments.
- Included Backup Battery: Ships with a 1756-BA1 battery for maintaining critical memory functions.
- Industrial Operating Range: Functions from 0°C to 60°C to support standard automation environments.
- Isolation Voltage Rating: Provides 30 V continuous isolation for controller protection.
- Thermal Efficiency: Maintains low power dissipation levels at 5.6–5.7 W for improved system efficiency.
- Shock and Vibration Compliance: Built to withstand industrial environmental conditions as defined by applicable IEC standards.
The 1756-L55 delivers the reliability and precision required for dependable control processing in industrial automation systems.
Description
The Allen-Bradley 1756-L55 is a ControlLogix processor module designed for applications requiring reliable CPU performance within modular automation systems. This module provides essential controller functionality and supports multiple communication options through the ControlLogix backplane. The 1756-L55 is commonly deployed in medium to large industrial automation environments where dependable system control is required.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | PLCs and Accessories |
| Part Number | 1756-L55 |
| Subcategory | PLC Processor Modules |
| Series | ControlLogix |
| User Memory | None |
| Backplane Current (5.1 VDC) | 1.23–1.25 A |
| Backplane Current (24 VDC) | 0.014 A |
| Power Dissipation | 5.6–5.7 W |
| Thermal Dissipation | 19.1–19.4 BTU/hr |
| Isolation Voltage | 30 V continuous |
| Enclosure Type | Open-style |
| Battery | 1756-BA1 included |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | –40°C to 85°C |
| Communication Port | RS-232 |
| Test Voltage Rating | Withstands 707 VDC for 60 seconds |
| IEC Temperature Code | T4 |
| Compatible Cables | 1756-CP3, 1747-CP3 |
| Weight | 0.35 kg |
Information About 1756-L55
The 1756-L55 is a Series A ControlLogix processor module built to integrate seamlessly with Allen-Bradley’s modular 1756 platform. It operates without internal user memory and relies on external memory components and a 1756-BA1 battery to maintain operation. The module supports standard ControlLogix backplane communication, making it compatible with a wide range of I/O modules, communication adapters, and chassis configurations. Engineered for industrial conditions, it meets relevant environmental and electrical standards, allowing stable performance across the specified temperature and storage ranges.
Key Features:
- ControlLogix Architecture: Designed for use within 1756 ControlLogix systems requiring centralized processing.
- Backplane Power Compatibility: Supports 1.23–1.25 A at 5.1 VDC and 0.014 A at 24 VDC for reliable chassis communication.
- Open-Style Enclosure: Enables installation in protected control cabinet environments.
- Included Backup Battery: Ships with a 1756-BA1 battery for maintaining critical memory functions.
- Industrial Operating Range: Functions from 0°C to 60°C to support standard automation environments.
- Isolation Voltage Rating: Provides 30 V continuous isolation for controller protection.
- Thermal Efficiency: Maintains low power dissipation levels at 5.6–5.7 W for improved system efficiency.
- Shock and Vibration Compliance: Built to withstand industrial environmental conditions as defined by applicable IEC standards.
The 1756-L55 delivers the reliability and precision required for dependable control processing in industrial automation systems.
