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- 25 × 16.6 × 5.9 cm
- 0.34kg
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Allen Bradley 1747-L532 Detailed Product Introduction and Technical Specifications
Product Overview
The Allen Bradley 1747-L532 is a SLC 5/03 programmable logic controller CPU module designed for the SLC 500 automation platform. It is a mid-to-high performance controller used in industrial automation systems that require faster processing speed, larger memory capacity, and stronger communication capability compared to earlier SLC 5/01 and SLC 5/02 CPUs.
This model is widely applied in medium and large-scale industrial control systems, including production lines, process control environments, and distributed automation architectures. It is also commonly found in long-life legacy systems still operating in industrial facilities.
The 1747-L532 supports advanced instruction sets, higher I/O handling capacity, and improved scan performance, making it suitable for more complex automation logic and multi-system coordination tasks.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Model | 1747-L532 |
| Product Type | PLC CPU Module |
| Product Family | SLC 500 Series |
| Series | SLC 5/03 Controller Series |
| Main Function | Central Processing Unit for PLC Systems |
| Communication | DH-485 / RS-232 |
| Installation Type | Rack-mounted CPU Module |
Product Series Introduction
SLC 500 Series Overview
The SLC 500 series is a modular PLC automation platform used in industrial control applications.
It provides scalable system architecture with CPUs, I/O modules, communication modules, and power supplies installed in rack-based configurations.
The series is widely adopted in manufacturing, process automation, packaging systems, and material handling industries due to its reliability and long operational life.
The 1747-L532 belongs to the SLC 5/03 CPU family, which offers higher performance and expanded memory compared to earlier SLC controllers.
Detailed Technical Specifications of 1747-L532
| Parameter | Specification |
|---|---|
| Model | 1747-L532 |
| Processor Type | SLC 5/03 CPU |
| User Memory | 16K words |
| Program Memory | 16 KB (Battery-backed RAM) |
| Instruction Execution Speed | ~1 ms / K instruction |
| Bit Instruction Speed | ~0.44 ms |
| I/O Capacity | 4096 inputs / 4096 outputs |
| Analog I/O Support | Up to 480 channels |
| Maximum I/O Chassis | 3 chassis |
| Maximum Slot Capacity | 30 slots |
| Communication Ports | DH-485, RS-232 |
| Communication Protocols | DF1, ASCII, DH-485 |
| Backplane Current (5V DC) | 500 mA |
| Backplane Current (24V DC) | 175 mA |
| Memory Backup | Battery-backed RAM + EEPROM |
| 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 |
| Shock Resistance | 30G operating |
| Vibration Resistance | Industrial standard |
| Dimensions | 25 × 16.6 × 5.9 cm |
| Weight (kg) | 0.34 kg |
Product Features
1. High-Performance Processing
The 1747-L532 provides significantly improved execution speed compared to earlier SLC controllers.
Its 1 ms per K instruction scan time allows faster response in real-time automation systems.
2. Large Memory Capacity
With 16K words of user memory, the controller supports complex logic structures and larger automation programs.
This makes it suitable for medium-to-large industrial systems.
3. Advanced Communication Capability
The CPU supports DH-485 and RS-232 communication interfaces.
It also supports DF1 and ASCII protocols for flexible industrial integration.
4. High I/O Scalability
The controller supports up to 4096 digital inputs and outputs and 480 analog channels.
This allows integration into large distributed control systems.
5. Deterministic Real-Time Control
The processor ensures stable scan cycles and predictable execution timing.
This is critical in synchronized industrial automation systems.
6. Battery-Backed Memory Protection
Program data is preserved during power loss using battery-backed RAM.
This ensures system recovery without reprogramming after shutdown.
Product Applications
Manufacturing Production Lines
Used in coordinated multi-machine systems requiring stable sequencing and timing control.
Process Control Industries
Applied in chemical processing, water treatment, and industrial monitoring systems.
Packaging Automation
Controls high-speed packaging, labeling, and filling operations.
Conveyor and Logistics Systems
Manages large-scale material handling and transport automation networks.
Legacy SLC 500 Systems
Extensively used in existing industrial systems that still rely on SLC 5/03 architecture.
Product Advantages
| Advantage | Description |
|---|---|
| High Processing Speed | Fast scan time for complex logic |
| Large Memory Capacity | Supports advanced programs |
| Strong Communication Support | Multiple industrial protocols |
| High I/O Expansion Capability | Suitable for large systems |
| Stable Real-Time Performance | Deterministic execution |
| Battery Backup Protection | Prevents program loss |
| Wide System Compatibility | Works within SLC 500 architecture |
| Industrial Durability | Long operational lifespan |
Recommended Models from the Same Series or Related Series
| Model | Product Type | Main Function | Application | Dimensions | Weight (kg) |
|---|---|---|---|---|---|
| 1747-L511 | CPU Module | Entry-level PLC CPU | Small automation systems | 25 × 16.6 × 5.9 cm | 0.32 kg |
| 1747-L514 | CPU Module | Mid-level controller | Machine control | 25 × 16.6 × 5.9 cm | 0.35 kg |
| 1747-L524 | CPU Module | Expanded memory CPU | Medium systems | 25 × 16.6 × 5.9 cm | 0.17 kg |
| 1747-L531 | CPU Module | High-speed processor | Large automation | 25 × 16.6 × 5.9 cm | 0.48 kg |
| 1747-L532 | CPU Module | Advanced SLC 5/03 CPU | Industrial control systems | 25 × 16.6 × 5.9 cm | 0.34 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 Input 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-L532 acts as a central processing unit in SLC 500 PLC systems.
It executes control logic, processes input signals, and manages output operations across connected modules.
Its high memory and processing speed make it suitable for complex industrial automation tasks.
Installation and Maintenance Characteristics
The CPU is installed in an SLC 500 rack system alongside power and I/O modules.
LED indicators provide system status including run, fault, and communication signals.
Maintenance is simplified due to modular design and mature industrial architecture.
Battery replacement ensures long-term data retention capability.
Industrial Reliability
The 1747-L532 is widely used in industrial environments due to its stable performance and long service life.
It remains a key component in many legacy SLC 500 systems still operating in factories today.
Its durability and predictable behavior make it suitable for continuous industrial operation.
Summary
The Allen Bradley 1747-L532 is a high-performance SLC 5/03 PLC CPU designed for medium to large industrial automation systems.
It offers 16K memory, fast scan performance, and strong communication capability.
Its reliability, scalability, and industrial-grade durability make it one of the most widely used controllers in the SLC 500 series.