Allen-Bradley | 1785-BCM Backup Communications Module

SKU: 1785-BCM

Manufacturer: Allen-Bradley
Product No.: 1785-BCM
Condition：In stock
Product Type: Backup Communications Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 100g
Shipping port: Xiamen
Warranty: 12 months

Overview

The 1785-BCM is a Backup Communications Module (BCM) from Allen-Bradley, designed to provide high-speed switchover between communication paths using Data Highway Plus (DH+) and Remote I/O (RIO) protocols. It ensures redundant communication for PLC5 processors, offering seamless backup for critical systems.

Product Specifications

Brand: Allen-Bradley
Manufacturer: Rockwell Automation
Catalog No.: 1785-BCM
Module Type: Backup Communications Module
Compatible Processors: PLC-5/15 series B, -5/20, -5/25, -5/30, -5/40, -5/60
Module Location: 1771 I/O Chassis (local)
Keying Locations: Between 8 and 10, between 34 and 36
Weight: 0.3 lbs (0.1 kg)
Coating: Conformal Coat

Performance & Features

DH+/RIO Interface: 2
High-Speed Serial Link Interface: 1
HSSL Communication Speed: 1.2 Megabaud
Customer Relay: 0.25A @ 24V DC (resistive)
Bus Communication: Local PCI 2.3 Compliant
LEDs: 1 Diagnosis/Status per channel

Electrical & Environmental

Operational Temperature: 0°C to 60°C (32°F to 140°F)
Certification:
- UL – Industrial Control Equipment, E65584
- CSA – Class 1, Division 2, LR69960C
Required External Power: None
Typical AC Signal Delay (Off): 29 (+/- 8) ms
Typical DC Signal Delay (Off): 30 (+/- 7) ms

Dimensions

Size: 4.5 x 12.4 x 6.3 in (115 x 317 x 160 mm)

Max Modules Per System

Limit: 4

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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