Product Name: Backup Communications Expansion Module
Brand Name: Allen-Bradley
Model Number: 1785-BEM
Place of Origin: USA
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
The Allen-Bradley 1785-BEM Backup Communications Expansion Module is a backup communication module designed for PLC-5 control systems. It enables reliable communication and backup synchronization between compatible PLC-5 processors, helping improve system availability and redundancy. Designed for installation in a 1771 I/O chassis, the module supports high-speed data communication and dependable operation in industrial automation environments.
| Product Name | Allen-Bradley 1785-BEM Backup Communications Expansion Module |
| Manufacturer | Allen-Bradley |
| Product Type | Backup Communications Expansion Module |
| Part Number | 1785-BEM |
| Weight | 0.52kg |
| Estimated shipping dimensions | 3x14.7x26cm |
| Place of shipment | Xiamen, China |
| Country of origin | USA |
| Compatible Processors | PLC-5/15 series B, -5/20, -5/25, -5/30, -5/40, and -5/60 processors |
| Module Location | 1771 I/O Chassis (local) |
| Backplane Current | 0.6A @ 5V dc |
| Keying Locations | between 8 and 10, between 34 and 36 |
| Wiring Arm | 1771-WG |
| Customer Relay | .25A @ 24V dc (resistive) |
| HSSL | communicates with 1.2 Megabaud |
| Operational Temperature | 0°C to 60°C (32°F to 140°F) |
| Storage Temperature | ±40°C to 85°C (±40°F to 185°F) |
| Relative Humidity | 5 to 95% (without condensation) |
| Certification | UL ± Industrial Control Equipment, E65584, CSA ± Class 1, Division 2, LR69960C |
|
Minimum Order Quantity |
1 Piece |
|
Price |
Contact for Jim |
|
Packaging Details |
Original new Factory Sealed |
|
Delivery Time |
3–7 Days |
|
Payment Terms |
T/T |
|
Shipping Method |
DHL / FedEx / UPS / TNT |
|
Supply Ability |
In stock |
|
Sales: |
Email: |
Whatsapp: |
|
Jim Pei |
✔ Genuine Industrial Automation Products
✔ Strict Quality Inspection Before Shipment
✔ Competitive Prices & Flexible Quotations
✔ Large Inventory with Fast Global Shipping
✔ 12-Month Warranty on Eligible Products
✔ Professional Technical & After-Sales Support
✔ Inquiry Response Within 1 Hour
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✔ Trusted Supplier for PLC, DCS, HMI, and Industrial Control Systems
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---What type of module is the 1785-BEM?
1785-BEM is a backup communications expansion module designed to support redundant PLC-5 control systems.
---Which control platform is the 1785-BEM designed for?
1785-BEM is designed for use with Allen-Bradley PLC-5 controllers installed in 1771 I/O systems.
---What communication technology does the 1785-BEM use?
1785-BEM uses High-Speed Serial Link (HSSL) communication to exchange backup data between processors.
---How fast can the 1785-BEM communicate?
1785-BEM supports HSSL communication at speeds of up to 1.2 Megabaud for fast data transfer.
---Which wiring arm is required for the 1785-BEM?
1785-BEM requires the 1771-WG wiring arm for proper installation and field wiring.
---Does the 1785-BEM meet industrial certification standards?
1785-BEM is UL listed and CSA certified, including approval for Class I, Division 2 hazardous industrial environments.
---Why choose the 1785-BEM for PLC-5 systems?
1785-BEM provides dependable backup communication, high-speed processor synchronization, reliable industrial performance, and seamless integration with PLC-5 redundant control systems.
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