High-Capacity Modular Rack Platform for SLC 500 Automation Systems
The Allen Bradley 1746-A13 13 Slots Chassis is a durable modular rack designed for the SLC 500 programmable controller platform. Built to support large-scale industrial control systems, this chassis provides a reliable backplane structure for installing processors, power supplies, communication modules, and I/O modules within a single centralized architecture.
With thirteen available slots, the 1746-A13 offers expanded configuration flexibility for complex automation applications requiring higher I/O density and scalable control capability. Its robust industrial construction and dependable backplane communication make it a widely trusted solution in manufacturing, material handling, process control, and legacy automation environments.
Designed for long-term operational stability, the chassis supports efficient module organization, simplified maintenance access, and dependable system integration in demanding industrial facilities.
Technical Specifications
| Parameter | Specification |
|---|
| Manufacturer | Allen Bradley |
| Product Family | SLC 500 |
| Model Number | 1746-A13 |
| Module Type | 13-Slot Chassis |
| Number of Slots | 13 |
| Compatible Platform | SLC 500 |
| Backplane Current Capacity | 10A @ 5V DC |
| Backplane Communication | Integrated chassis backplane |
| Mounting Options | Panel mount |
| Slot Configuration | Power supply slot + 12 I/O/processor slots |
| Chassis Material | Industrial-grade metal construction |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Vibration Resistance | Industrial-rated |
| Dimensions | Approx. 592 mm × 145 mm × 140 mm |
| Weight | Approx. 3.5–4.5 kg |
Applications
The 1746-A13 chassis is widely used in industrial automation systems that require modular SLC 500 controller integration and high I/O expansion capability.
Typical applications include:
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Manufacturing production lines
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Packaging and assembly systems
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Conveyor and material handling equipment
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Water and wastewater treatment facilities
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Industrial process control systems
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OEM machine automation
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Factory retrofit projects
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Legacy SLC 500 control system upgrades
Its high slot capacity makes it ideal for systems requiring multiple communication, analog, and digital I/O modules within a single rack.
Advantages
Large Expansion Capacity
The 13-slot architecture supports complex control systems with extensive I/O and communication requirements.
Reliable Backplane Communication
Integrated backplane design ensures stable communication between processors and installed modules.
Flexible Modular Configuration
Supports a wide range of SLC 500 processors, communication cards, and specialty I/O modules.
Rugged Industrial Construction
Designed for long-term operation in demanding industrial environments with vibration and temperature variation.
Simplified System Maintenance
Open chassis structure allows convenient module replacement and troubleshooting access.
Proven Automation Platform Compatibility
Fully compatible with the established Allen Bradley SLC 500 ecosystem used globally across industrial facilities.
Technical FAQs
1. What is the primary function of the 1746-A13?
It serves as the main modular rack chassis for SLC 500 control systems.
2. How many module slots are available?
The chassis provides a total of 13 slots.
3. What systems is the chassis compatible with?
It is designed specifically for Allen Bradley SLC 500 automation platforms.
4. Can it support both I/O and processor modules?
Yes. The chassis supports processors, communication modules, power supplies, and I/O modules.
5. What mounting method is used?
The 1746-A13 is typically panel-mounted inside industrial control cabinets.
6. Does the chassis include a power supply?
No. A compatible SLC 500 power supply must be installed separately.
7. What industries commonly use this chassis?
Manufacturing, water treatment, packaging, logistics, and industrial processing industries commonly use it.
8. Is the chassis suitable for large automation systems?
Yes. Its 13-slot design supports high-density modular control systems.
9. Does it support communication modules?
Yes. Multiple SLC communication modules can be installed depending on configuration.
10. Why is the 1746-A13 still widely used?
Because many industrial facilities continue operating reliable SLC 500 systems for long-term automation stability.
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