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ALLEN BRADLEY 1785-BCM
ALLEN BRADLEY 1785-BCM
ALLEN BRADLEY 1785-BCM

Allen Bradley 1785-BCM | PLC-5 Backup Communication Module

Original price was: ¥99,999.00.Current price is: ¥4,982.00.

Product NO：1785-BCM

Brand：Allen-Bradley

Delivery time:  In stock

Product status:   Brandnew

Product situation: one year warranty, Origin of Manufacture

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Description

Model Description Specification
Product Model Allen-Bradley 1785-BCM Backup Communication Module
Compatibility PLC-5/11, -5/20, -5/30, -5/40, -5/60 High-Speed Hot Backup
Communication Ports DH+ (Data Highway Plus) Dual Channel Support
Backplane Current 1.2A @ 5V DC Slot-Based Power
Switchover Time < 25ms (Typical) High-Speed Logic Transfer
Operating Temp 0 to 60°C (32 to 140°F) Industrial Grade
Indicators PROC, COMM, BACKUP, FAULT Status Diagnostic LEDs
Mounting 1771 I/O Chassis Left-most Processor Slot

The 1785-BCM is a specialized Backup Communication Module designed to provide redundant processing capabilities for Allen-Bradley PLC-5 control systems. By facilitating a high-speed data link between a primary and a secondary processor, the module ensures that the backup controller remains synchronized with the real-time status of the primary unit. In the event of a hardware or software failure in the primary rack, the 1785-BCM triggers an automated bumpless transfer of control, maintaining system uptime and preventing costly process interruptions in critical industrial environments.

ALLEN BRADLEY 1785-BCM

ALLEN BRADLEY 1785-BCM

ALLEN BRADLEY 1785-BCM

ALLEN BRADLEY 1785-BCM

ALLEN BRADLEY 1785-BCM

ALLEN BRADLEY 1785-BCM

Model Comparisons

The 1785-BCM is fundamentally different from the standard 1785-KE communication interface; while the KE-series focuses on protocol conversion (RS-232 to DH+), the BCM is dedicated to System Redundancy. It is often paired with the 1785-BEM (Backup Expansion Module) when extended I/O synchronization is required across multiple chassis. Unlike newer ControlLogix redundancy modules (such as the 1756-RM2), the 1785-BCM operates within the legacy 1771 architecture and relies specifically on the Data Highway Plus (DH+) protocol for its primary synchronization heartbeat.

 

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brand mingpian

At Newplcdcs, we specialize in providing high-quality spare parts for Distributed Control Systems (DCS) and Programmable Logic Controllers (PLC). Our comprehensive product portfolio includes parts from approximately 20 leading brands, such as ABB, Bently Nevada, Honeywell, GE, Yokogawa, Allen Bradley, Foxboro, Ovation, Hima, Emerson, Triconex, Woodward, ICS Triplex, Bachmann, and Schneider. This focused expertise allows us to offer in-depth solutions in the automation sector, setting us apart from many competitors and ensuring we deliver the most advanced and reliable products to our clients.

Contact Information

Frequently Asked Questions
Is our price competitive?
Newsplcdcs collaborates with over 50 countries worldwide. as a leading supplier in china, we can provide significant discounts to customers based on market demand.
What is the warranty period?
We offer a standard one-year warranty for all new and original items.
What payment methods do we accept?
We accept 100% t/t (telegraphic transfer) before shipping. for items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. if you have an agent in china, please contact us for rmb transfer.
What shipping methods do we use?
We primarily utilize carriers such as fedex, dhl, ups, bre, etc. if you have an account with any of these carriers, you can arrange the shipping yourself. additionally, we offer free shipping to china freight forwarders.
What is our delivery time?
Typically, delivery takes around 1-3 days after receiving the advance payment. for items with a quoted lead time, delivery will occur as per the specified lead time.
How do we package the goods?
Our packaging process involves multiple layers of protection. initially, the product is placed in its original box, sealed with a label. then, we add a layer of bubble wrap to safeguard against collisions during transportation. finally, all products are securely packed in sturdy boxes for further protection.
How can customers contact us and request a quote?
Customers can inquire via email, whatsapp, wechat, skype, or any preferred communication platform. simply reach out to us, and we’ll promptly provide a quote tailored to your needs.

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