产品介绍
The Allen-Bradley 1771-A3B1 12 Slot I/O Chassis is a modular chassis designed for PLC-5 and 1771 series automation systems from Allen-Bradley. It provides the structural framework and electrical backplane necessary to support multiple I/O modules within an industrial programmable logic controller architecture. By serving as the central mounting platform for input, output, and communication modules, the chassis enables efficient data exchange and power distribution across the control system.
With twelve available module slots, the 1771-A3B1 chassis is well suited for medium to large automation systems that require multiple I/O modules. The internal backplane distributes both communication signals and operating power to all installed modules, allowing them to interact with the PLC processor and other system components.
The chassis features an open-style design and panel-mount installation method, allowing it to be securely installed inside industrial control cabinets. Its rugged construction supports reliable operation in environments where temperature fluctuations, vibration, and electrical noise are present.
The 1771-A3B1 is widely used in manufacturing systems, process automation facilities, and machine control applications where PLC-5 controllers are deployed. By providing organized module installation and dependable backplane communication, the chassis helps ensure stable and scalable automation system performance.
产品规格
| Parameter | 描述 |
|---|---|
| Product Name | Allen-Bradley 1771-A3B1 12 Slot I/O Chassis |
| 制造商 | Allen-Bradley |
| Series | 1771 PLC-5 I/O System |
| Slots | 12 |
| Enclosure Type | Open style chassis |
| Mounting | Panel mount |
| Max Backplane Current | 24 A at 5 VDC |
| Operating Temperature | 0 to 60 °C (32 to 140 °F) |
| Relative Humidity | 5–95% non-condensing |
| Vibration | 2 g at 10–500 Hz |
| Operating Shock | 15 g |
| Nonoperating Shock | 30 g |
| Dimensions | 483 x 315 x 193 mm |
| 重量 | 5.7 kg |
Applications
● PLC-Based Industrial Control Systems
Provides the mounting structure and backplane communication for 1771 series I/O modules used with PLC-5 controllers.
● Manufacturing Production Lines
Installed in control cabinets to support input and output modules that monitor sensors and control industrial equipment.
● Process Automation Plants
Used in industries such as chemical processing, oil and gas, and water treatment where modular PLC architectures manage large numbers / field devices.
● Machine Automation Systems
支持s machinery requiring multiple I/O points, enabling flexible integration / sensors, relays, and analog devices.
● System Expansion Installations
Allows engineers to expand PLC-5 systems by adding additional I/O modules within a centralized chassis structure.
Advantages
● High Module Capacity
The twelve-slot configuration supports a larger number / I/O modules, making it suitable for complex automation systems.
● Reliable Backplane Communication
The internal backplane ensures consistent power distribution and stable communication between installed modules and the PLC processor.
● Industrial Mechanical Strength
Designed to tolerate industrial vibration and mechanical shock while maintaining secure module connections.
● Flexible Panel Mount Installation
Panel mounting allows easy integration into standard industrial control cabinets.
● Strong Environmental Tolerance
Operates across a wide temperature range and supports high humidity levels typical / industrial facilities.
● Scalable System Architecture
支持s expansion and reconfiguration / PLC-5 systems by accommodating various combinations / input, output, and specialty modules.
公司信息
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