Allen Bradley 1785-L30B PLC-5/30 Processor

Product Introduction

The Allen Bradley 1785-L30B PLC-5/30 Processor is a powerful programmable controller designed for medium to large-scale industrial automation systems. Developed by Rockwell Automation and released under the Allen-Bradley PLC-5 controller platform, this processor delivers strong processing capability, expanded memory capacity, and multiple communication channels for complex control applications.

The processor features 32K Word SRAM memory, allowing it to manage larger ladder logic programs and process data efficiently. It supports up to 1024 analog I/O points, making it suitable for demanding industrial control tasks. With two DH+/Remote I/O communication channels, the controller can exchange data with distributed I/O systems and other PLC devices across industrial networks, enabling flexible system architecture and reliable automation control.

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Product Specifications

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Applications

• Large manufacturing automation systems, managing multiple machines and process equipment within production lines.

• Process control plants, monitoring and regulating temperature, pressure, flow, and other analog signals.

• Distributed I/O architectures, connecting remote racks through DH+ and Remote I/O communication channels.

• Industrial production monitoring, collecting operational data for plant supervision and analytics.

• Material handling and logistics systems, coordinating conveyors, automated storage, and robotic systems.

• Legacy PLC-5 control platforms, supporting expansion and modernization of existing PLC-5 installations.

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Advantages

• 32K Word SRAM memory, supporting larger and more complex control programs.

• High analog I/O capacity, allowing connection of up to 1024 analog I/O points for detailed process monitoring.

• Dual DH+ / Remote I/O communication channels, enabling flexible network architecture and distributed control.

• Reliable PLC-5 backplane integration, ensuring stable communication with installed system modules.

• Wide operating temperature range, supporting industrial environments from 0 to 60 °C.

• Industrial-grade design, built for long-term continuous operation in factory automation systems.

FAQ

1. What is the memory capacity of the 1785-L30B processor?
   The processor provides 32K Word SRAM for ladder logic programs and runtime data storage.

2. How many analog I/O points can the processor support?
   It supports up to 1024 analog I/O points within a PLC-5 system configuration.

3. How many communication channels are available?
   The processor includes two DH+ / Remote I/O communication channels.

4. What is the backplane current requirement?
   The module draws approximately 2.3 A from the PLC-5 backplane at 5 VDC.

5. What is the power dissipation of the processor?
   The processor has a typical power dissipation of about 12 W.

6. What operating temperature range is supported?
   The module operates reliably within a temperature range of 0 to 60 °C.

7. How does the processor communicate with remote I/O racks?
   It uses DH+ or Remote I/O communication channels to exchange data with distributed I/O systems.

8. Can the processor manage complex automation programs?
   Yes, the 32K memory capacity allows execution of more advanced ladder logic programs.

9. Is this processor compatible with standard PLC-5 racks?
   Yes, it installs directly into PLC-5 chassis and communicates through the system backplane.

10. What types of industrial systems commonly use this processor?
    Large manufacturing plants, process control facilities, and distributed automation systems.

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