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- 25 × 16.6 × 5.9 cm
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Allen Bradley 1747-L514 Detailed Product Introduction and Technical Specifications
Product Overview
The Allen Bradley 1747-L514 is a SLC 5/01 series programmable logic controller CPU designed for small to medium industrial automation systems. It provides basic but stable control processing capability for machine-level automation applications where reliability and simplicity are more important than high computing power.
This controller belongs to the fixed-function SLC 500 family architecture, where the CPU is installed in a rack system together with power supplies and I/O modules. It is widely used in legacy automation systems that require dependable operation with minimal configuration complexity.
The 1747-L514 is typically applied in packaging machines, conveyor systems, simple manufacturing equipment, and auxiliary industrial processes. It is known for stable performance, long service life, and easy integration into existing SLC 500 systems.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1747-L514 |
| Product Type | PLC CPU Module |
| Product Family | SLC 500 Series |
| Series | SLC 5/01 Controller Series |
| Main Function | Central Processing Unit |
| Communication | DH-485 (Slave Mode) |
| Installation Type | Rack-mounted CPU |
Product Series Introduction
SLC 500 Series Overview
The SLC 500 series is a modular PLC platform designed for industrial automation and control applications.
It supports flexible system configurations ranging from compact controllers to fully modular rack-based systems with expandable I/O and communication modules.
The series is widely used in manufacturing, process control, and machine automation due to its stability and long lifecycle.
The 1747-L514 belongs to the SLC 5/01 CPU family, which is designed for entry-level control applications with moderate memory and processing requirements.
Detailed Technical Specifications of 1747-L514
| Parameter | Specification |
|---|---|
| Model | 1747-L514 |
| Processor Type | SLC 5/01 CPU |
| Memory Capacity | 4K Instructions (approx. 4 KB user memory) |
| I/O Capacity | Up to 960 local I/O points |
| Analog I/O Support | Up to 480 points |
| Program Scan Time | ~4.8 ms / K instruction |
| I/O Scan Time | ~1.6 ms |
| Maximum Chassis Support | Up to 3 chassis |
| Module Slots Supported | Up to 30 slots |
| Communication Port | DH-485 |
| Communication Mode | Slave only |
| Backplane Current (5V DC) | 350 mA |
| Backplane Current (24V DC) | 105 mA |
| Memory Type | Battery-backed RAM |
| Backup Support | EEPROM compatible |
| Battery Type | 1747-BA |
| Power Supply Compatibility | 1746-P1 to 1746-P7 |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Noise Immunity | Industrial grade |
| Dimensions | 25 × 16.6 × 5.9 cm |
| Weight (kg) | 0.35 kg |
Product Features
1. Expanded Memory Compared to Entry Models
The 1747-L514 provides increased memory capacity compared to lower-end SLC 5/01 controllers.
This allows more complex control logic and larger program structures.
2. Stable Industrial Control Processing
The CPU delivers consistent scan cycles suitable for deterministic automation tasks.
It ensures reliable execution of logic in repetitive industrial environments.
3. DH-485 Communication Support
The controller supports DH-485 communication for programming, monitoring, and basic system networking.
It is widely used for connecting to programming terminals and supervisory systems.
4. Modular System Integration
The CPU is designed for installation in SLC 500 rack systems.
It works seamlessly with compatible I/O modules and power supplies.
5. Battery-Backed Data Retention
The system uses battery-backed memory to retain program data during power loss.
This ensures fast recovery without reprogramming after shutdown.
Product Applications
Industrial Machinery Control
Used in small to medium machines such as presses, cutters, and assembly equipment.
Packaging Systems
Applies to filling machines, labeling systems, and sealing equipment.
Conveyor Automation
Controls motor logic, sequencing, and product handling operations in conveyor systems.
Manufacturing Processes
Used in repetitive production processes requiring stable logic control.
Legacy Industrial Installations
Common in existing SLC 500-based factories and industrial systems.
Product Advantages
| Advantage | Description |
|---|---|
| Increased Memory Capacity | Supports more complex programs |
| Stable Execution | Reliable scan cycle performance |
| Simple Integration | Compatible with SLC 500 modules |
| Industrial Durability | Designed for harsh environments |
| Low Maintenance | Long-term stable operation |
| Battery Backup Support | Prevents data loss |
| Flexible Expansion | Supports multi-chassis systems |
| Cost Efficiency | Suitable for mid-level automation |
Recommended Models from the Same Series or Related Series
| Model | Product Type | Main Function | Application | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1747-L511 | CPU Module | Basic PLC controller | Small systems | 25 × 16.6 × 5.9 cm | 0.32 kg |
| 1747-L514 | CPU Module | Mid-level PLC CPU | Industrial machines | 25 × 16.6 × 5.9 cm | 0.35 kg |
| 1747-L524 | CPU Module | Expanded memory CPU | Medium automation | 25 × 16.6 × 5.9 cm | 0.38 kg |
| 1747-L541 | Advanced CPU | High-performance control | Process industries | 20 × 16 × 17 cm | 1.80 kg |
| 1747-L553 | Network CPU | Advanced automation system | Complex systems | 21 × 17 × 18 cm | 2.10 kg |
Recommended Popular Models from Same Brand
| Model | Product Category | Main Features | Application Area | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1756-EN2TR | Ethernet Module | Dual Ethernet/IP ports | Industrial networking | 14 × 11 × 8 cm | 0.45 kg |
| 1769-L33ER | Compact PLC | Built-in Ethernet/IP | Machine automation | 18 × 12 × 9 cm | 0.92 kg |
| 1756-IB16 | Digital Input Module | 16-channel input | Factory systems | 15 × 11 × 6 cm | 0.30 kg |
| 1769-IF8 | Analog Module | 8-channel analog input | Process control | 12 × 9 × 5 cm | 0.35 kg |
| 1783-US8T | Ethernet Switch | Managed industrial switch | Network systems | 16 × 12 × 5 cm | 0.80 kg |
System Role in Industrial Automation
The 1747-L514 acts as the central processing unit in SLC 500 PLC systems.
It executes control logic, processes input signals, and coordinates output actions through connected modules.
Its DH-485 communication capability supports basic programming and monitoring functions.
Installation and Maintenance Characteristics
The CPU is installed into an SLC 500 rack system along with power and I/O modules.
LED indicators provide system status including run, fault, and communication states.
Maintenance is straightforward due to stable hardware design and modular architecture.
Industrial Reliability
The 1747-L514 is widely used in industrial environments due to its stable and predictable performance.
It is suitable for continuous operation in factory automation systems with moderate complexity.
Its long service life makes it common in legacy SLC 500 installations.
Summary
The Allen Bradley 1747-L514 is a mid-level SLC 5/01 PLC CPU designed for industrial automation systems requiring more memory and capability than entry-level controllers.
It provides stable performance, expanded program capacity, and reliable DH-485 communication.
Its durability, simplicity, and compatibility make it a widely used controller in both legacy and existing industrial systems.