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Help CenterALLEN BRADLEY PLC5 1785-L30B 1785L30B
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Rossonix Co., Limited is proud to offer the Allen Bradley PLC5 1785-L30B (1785L30B), a high-performance programmable logic controller designed for demanding industrial automation applications. With over 10 years of experience in the global market, we ensure every unit is thoroughly tested and backed by reliable logistics from our Shenzhen, Hong Kong, and European warehouses. This controller delivers exceptional reliability and flexibility for complex control systems, making it a preferred choice for OEMs and system integrators worldwide.
The 1785-L30B is part of the legendary PLC5 family by Rockwell Automation, known for its robust construction and extensive I/O capabilities. It supports a wide range of communication protocols including DH+ and Remote I/O, enabling seamless integration into existing networks. Whether you are upgrading legacy systems or building new control solutions, this processor provides the performance and scalability you need.
Key Features & Technical Specifications
- Compact Processor Unit – Single-slot module that fits into a 1771 chassis, saving valuable cabinet space.
- 32K Words of Memory – Ample storage for ladder logic programs, data tables, and communication buffers.
- Fast Scan Rate – Typical execution speed of 0.5 ms per K of logic, ensuring real-time control.
- Built-in Communication Ports – One RS-232/422 port and one DH+/Remote I/O port for flexible networking.
- Wide Operating Temperature – Reliable operation from 0°C to 60°C, suitable for harsh industrial environments.
- Hot Backup Capability – Supports redundant processor configurations for critical applications (optional).
- Comprehensive I/O Support – Works with all 1771 series I/O modules (digital, analog, special function).
| Processor Model | 1785-L30B (Catalog No. 1785L30B) |
| Memory Type | Battery-backed RAM (Lithium battery included) |
| Backplane Current Draw | 5V DC @ 1.2A (typical) |
| Programming Software | RSLogix 5, 6200 Series software |
| Communication Protocol | DH+, Remote I/O, DF1 full/half duplex |
| Maximum I/O | Up to 1024 digital I/O points (with remote racks) |
| Dimensions (H×W×D) | 4.5 × 1.5 × 7.0 inches (approx.) |
Why Choose Rossonix for Your Allen Bradley PLC Needs?
Since 2011, Rossonix Co., Limited has built a strong reputation for supplying high-quality industrial automation components to customers in over 50 countries. Our annual export value exceeds US$5 Million, and we maintain a dedicated team of 11–50 professionals who ensure every order is handled with care. We stock a wide inventory of Allen Bradley products, including the PLC5 family, and offer competitive pricing without compromising on quality.
We serve major markets across North America, South America, Europe, Asia, Oceania, and the Middle East. Our Shenzhen headquarters and overseas offices enable fast shipping from multiple ports: Shenzhen, Hong Kong, and Europe. All units are tested before dispatch, and we provide documentation upon request. Our commitment to customer satisfaction is reflected in our ISO9001 certified quality management system.
Contact us today to purchase your Allen Bradley 1785-L30B PLC or request a quote for bulk orders. With Rossonix, you get genuine products, reliable support, and global logistics you can trust.
Frequently Asked Questions (FAQ)
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Is the 1785-L30B compatible with the 1771 chassis?
Yes, the 1785-L30B is designed for the 1771 universal I/O chassis and can be installed in any single-slot location. -
What programming software is required?
Rockwell Automation RSLogix 5 (version 3.0 or later) or the legacy 6200 Series software can be used. -
Does the processor come with a battery?
Yes, a lithium battery is included to maintain memory and real-time clock during power loss. Battery life is typically 2–3 years. -
Can this module be used in a redundant system?
The 1785-L30B supports hot backup configurations with the appropriate chassis and software, but redundancy is an optional feature. -
What is the maximum distance for Remote I/O?
The Remote I/O network can extend up to 10,000 feet (3,000 meters) using Belden 9463 or equivalent cable. -
Do you provide technical support after purchase?
Absolutely. Our team offers pre-sales and after-sales technical assistance via email and phone. We can also share wiring diagrams and sample programs upon request. -
How long does shipping take to North America?
Typical delivery time is 5–10 business days via express courier from our Shenzhen or Hong Kong warehouse. European stock may offer faster delivery. -
Is the product brand new or refurbished?
We offer both new and certified refurbished units. Each item is clearly labeled. All refurbished units are tested and come with a warranty.
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