製品紹介
The Allen-Bradley 1771-A1B 4 Slot I/O Chassis is a compact modular chassis designed for the PLC-5 and 1771 series automation platforms from Allen-Bradley. It serves as the structural base that houses and connects multiple I/O modules within a programmable control system. The chassis provides both mechanical support and electrical backplane communication, allowing installed modules to exchange data and power with the system processor.
With four available module slots, the 1771-A1B is typically used in small to medium control systems where a limited number / I/O modules are required. The backplane inside the chassis distributes power and communication signals to all installed modules, ensuring coordinated operation between controllers, input modules, and output modules.
The 台 is designed with an open-style enclosure and a back-panel mounting structure, allowing it to be easily installed inside industrial control cabinets. Its rugged design ensures reliable operation in factory environments where vibration and electrical interference may be present.
The 1771-A1B chassis is commonly applied in manufacturing systems, machinery control panels, and process automation installations where PLC-5 or 1771-series modules are used. By providing a stable platform for module installation and communication, the chassis plays an essential role in maintaining the stability and scalability / the control system architecture.
製品仕様
| Parameter | 説明 |
|---|---|
| Product Name | Allen-Bradley 1771-A1B 4 Slot I/O Chassis |
| メーカー | Allen-Bradley |
| Series | 1771 PLC-5 I/O System |
| Module Slots | 4 |
| Enclosure Type | Open style chassis |
| Mounting | Back-panel mount |
| Backplane Current | 16 A at 5 VDC |
| Backplane Voltage | 5.25 VDC |
| Operating Shock | 15 g |
| Nonoperating Shock | 30 g |
| Vibration | 2 g (10–500 Hz) |
| Dimensions | 315 × 229 × 193 mm |
| 重量 | 3.6 kg |
Applications
● Industrial PLC Control Systems
Provides a mounting platform for PLC-5 and 1771 I/O modules used in industrial automation control architectures.
● Manufacturing Production Equipment
Commonly installed in factory control cabinets to manage sensors, actuators, and machine control modules.
● Process Automation Facilities
Used in industries such as chemical processing, power generation, and water treatment where modular PLC systems are required.
● Machine Control Panels
Provides organized installation for input, output, and communication modules in machine automation systems.
● System Expansion Installations
Suitable for expanding existing PLC-5 systems where additional I/O capacity is required in a compact form.
Advantages
● Compact Modular Structure
The four-slot design allows efficient installation in smaller control cabinets while still supporting multiple I/O modules.
● Stable Backplane Communication
The internal backplane distributes both electrical power and communication signals to installed modules, ensuring coordinated system operation.
● High Current Capacity
With a backplane current capacity / 16 A, the chassis can reliably support multiple I/O modules operating simultaneously.
● Industrial Durability
Engineered to withstand vibration, shock, and environmental conditions commonly found in manufacturing environments.
● Simple Installation Method
Back-panel mounting design allows straightforward installation inside standard control cabinets.
● Flexible System Configuration
サポートs various combinations / PLC-5 and 1771 I/O modules, enabling flexible system design and expansion.
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