Product Details
Overview
The 1785-CHBM from Allen-Bradley is a hot-backup memory cartridge built for the PLC-5 series. It ensures uninterrupted operation by maintaining critical program and data memory during system faults. With non-volatile storage and robust shock resistance, this module enhances the reliability and resilience of your PLC systems.
Technical Specifications
-
Manufacturer: Rockwell Automation
-
Brand: Allen-Bradley
-
Part Number: 1785-CHBM
-
Module Type: Hot-Backup Memory Cartridge
-
Memory Capacity: 100 Kilowords (non-volatile user memory)
-
Compatible Processors: 1785-L40C15, 1785-L80C15
-
Bus Communications: Local PCI 2.3 compliant
-
Maximum Modules per System: 4
-
Shock Resistance: Up to 30 g
-
LED Indicators: One per channel for diagnostics and status
-
Coating: Conformal coated for environmental protection
-
Required External Power: None
-
Typical AC Signal Delay (Off): 29 ms ± 8 ms
-
Typical DC Signal Delay (Off): 30 ms ± 7 ms
-
Wiring Arm: 1771-WN
-
Dimensions: 4.5 × 12.4 × 6.3 in (115 × 317 × 160 mm)
-
Weight: 0.31 lbs (0.14 kg)
Applications
-
Continuous PLC-5 operations during power or system faults
-
High-reliability industrial control environments
-
Critical process backup for large PLC-5 networks
-
Replacement or upgrade for legacy hot-backup memory requirements
FAQ
Q: Does 1785-CHBM require an external power supply?
A: No, it draws power directly from the PLC-5 backplane.
Q: Which PLC-5 processors are supported?
A: Fully compatible with 1785-L40C15 and 1785-L80C15 processors.
Q: How much memory is available in this hot-backup cartridge?
A: 100 Kilowords of non-volatile memory for program and data storage.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
How to Train Your Maintenance Team for Industrial Automation Systems
Proper training of maintenance teams is essential to prevent downtime and ensure smooth operations in industrial automation. With PLCs, DCS, SCADA, and IoT systems, technicians need advanced skills to manage complex control systems. This guide provides a structured approach to building a capable team.
Understanding Fail-Safe in Siemens PLCs for Industrial Automation
In industrial automation, safety PLCs provide advanced protection beyond standard types. They safely shut down machinery during faults, reducing external hardware needs. Certified to SIL and IEC/ISO standards, they ensure functional safety in factory automation, protecting both personnel and critical equipment.
Understanding GE Fanuc Emerson Field Control for Industrial Automation
GE Fanuc Emerson’s Field Control I/O offered a compact, DIN-rail-mounted solution for industrial automation. Ideal for water treatment and process plants, its integrated design saved panel space and simplified wiring. Though reliable, this line is now obsolete, requiring a shift to modern, high-speed remote I/O.