Product Brief
The 1756-A7 is a 7-slot chassis used in Allen-Bradley ControlLogix systems. It provides the physical mounting structure and backplane connection for Logix controllers, I/O modules, and communication modules in industrial automation cabinets.
Commonly used in system builds where mid-size ControlLogix configurations are required, or when existing chassis units are replaced during maintenance or cabinet refurbishment.
Technical Information
| Item | Details |
|---|---|
| Catalog Number | 1756-A7 |
| Product Family | ControlLogix |
| Type | Modular chassis |
| Slots | 7 |
| Backplane | ControlLogix high-speed backplane |
| Mounting | Panel / cabinet installation |
| Compatible Modules | 1756 series controllers, I/O, communication modules |
| Power Supply Compatibility | 1756-PA / 1756-PB series (system dependent) |
| Grounding | Integrated chassis grounding |
| Material | Metal frame construction |
| Application | Industrial control system rack |
| Lifecycle Status | Active / long-term industrial use |
System Context
This chassis is part of the ControlLogix automation platform, typically used in high-performance industrial control systems.
Common installation environments:
- Manufacturing automation lines
- Process control systems
- High-speed packaging machinery
- Distributed control cabinet assemblies
It is often selected based on slot count requirements during system design or expansion.
Procurement Notes
Usually sourced for:
- Replacement of existing ControlLogix chassis
- System expansion or cabinet rebuild
- Spare part inventory for maintenance teams
Selection depends on slot count and existing system architecture compatibility.
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Related Parts
| Model | Description |
|---|---|
| 1756-A4 | 4-slot ControlLogix chassis |
| 1756-A10 | 10-slot ControlLogix chassis |
| 1756-L8x | ControlLogix processor series |
| 1756-PA75 | AC power supply module |
| 1756-PB75 | DC power supply module |
Short Notes
Mid-size ControlLogix chassis used for modular PLC system assembly.
Common in both system builds and maintenance replacement scenarios.
All products are covered by a one-year warranty from SC Automation Electrical Components Co., Ltd. Manufacturer's warranty does not apply. Refunds and Exchanges
1. If you have any questions about the item upon receipt, please contact us within 7 days.
2. Returned items must be in their original condition. We will process a refund or exchange for your order based on your specific situation after receiving your return/exchange request.
3. The buyer is responsible for all incurred shipping costs.
DHL, FedEx, UPS, TNT, EMS, and Aramex offer fast Door-to-Door delivery services.
Bulk cargo can be transported by air or sea.
Customers can specify freight forwarders or other transportation methods.
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