The Allen Bradley 1783-BMS20CA is a Stratix 5700 industrial managed Ethernet switch designed for high-density industrial communication environments. Built for demanding factory automation systems, this switch delivers advanced network management, secure data transmission, and reliable EtherNet/IP connectivity for large-scale industrial applications.
Featuring twenty Ethernet ports with Gigabit uplink capability, the 1783-BMS20CA provides scalable industrial networking performance for PLCs, HMIs, drives, industrial computers, and distributed I/O architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Catalog Number | 1783-BMS20CA |
| Module Type | Managed Industrial Ethernet Switch |
| Product Series | Stratix 5700 |
| Total Ethernet Ports | 20 ports |
| Fast Ethernet Ports | 16 × 10/100 Mbps RJ45 |
| Gigabit Combo Ports | 4 × 10/100/1000 Mbps RJ45/SFP combo |
| Network Protocol | EtherNet/IP |
| Managed Switch | Yes |
| Device Level Ring (DLR) | Supported |
| VLAN Support | Yes |
| QoS Support | Yes |
| NAT Capability | Supported |
| Industrial Redundancy | Ring and resilient network support |
| Input Voltage | 12–48V DC |
| Power Consumption | Typical 18 W / Max 25 W |
| Alarm Relay | 1 A @ 30V DC |
| Protection Rating | IP30 |
| Mounting Method | DIN rail mounting |
| Housing Type | Industrial open-style enclosure |
| Operating Temperature | -40°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Relative Humidity | 5–95% non-condensing |
| Weight | ~1.75 kg |
| Dimensions (L×W×H) | 152 mm × 112 mm × 140 mm |
Network System Overview
The 1783-BMS20CA is engineered to provide high-capacity industrial Ethernet switching for complex automation systems requiring stable, secure, and manageable communications.
Core networking functions include:
- Large-scale industrial device connectivity
- EtherNet/IP traffic management
- VLAN segmentation and QoS prioritization
- Device Level Ring (DLR) network resiliency
- Gigabit backbone communication support
- Advanced diagnostics and industrial monitoring
Its high port density makes it ideal for centralized industrial network infrastructures.
Recommended Related Models
| Model | Function |
|---|---|
| 1783-BMS10CGN | 10-port managed Ethernet switch |
| 1783-BMS06TL | Compact 6-port managed switch |
| 1783-US8T | Unmanaged industrial Ethernet switch |
| 1783-NATR | NAT router module |
| 1756-EN2TR | ControlLogix EtherNet/IP bridge |
| 5069-AEN2TR | Compact I/O Ethernet adapter |
Popular Allen Bradley Industrial Network Models
| Model | Function |
|---|---|
| 1783-ETAP | EtherNet/IP tap module |
| 1783-CMS20DN | Next-generation managed switch |
| 1756-ENBT | EtherNet/IP communication bridge |
| 1734-AENTR | POINT I/O Ethernet adapter |
| 1769-L36ERM | CompactLogix controller |
