Allen-Bradley | 1783-BMS20CA Stratix 5700 Managed Ethernet Switch

Product Description

The Allen-Bradley 1783-BMS20CA Stratix 5700 Ethernet Managed Switch delivers high-performance network management for industrial automation systems. Designed for durability and reliability, it supports up to 20 Ethernet ports, providing flexible communication between controllers, HMIs, and field devices in manufacturing and process environments.

Technical Specifications

• Model Number: 1783-BMS20CA

• Product Series: Stratix 5700

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Type: Ethernet Managed Switch

• Total Ethernet Ports: 20

• Ethernet Interface: RJ45 connectors compliant with IEC 60603-7

• Supported Cable Types: Cat 5e or higher (TIA 568-B.1 and ISO/IEC 24702 compliant)

• Power Requirements: 12–48V DC, 0.5–3.0A max, Class 2/SELV

• Power Consumption: 21W typical @ 24V DC, 40°C (104°F); 30W max

• Alarm Relay Rating: 1A @ 30V DC or 0.5A @ 48V DC

• Isolation Voltage: 50V continuous, basic insulation between DC, Ethernet, and alarm ports (type-tested at 850V DC for 60 seconds)

• DC Power Connection: 0.5–0.8 mm² (20–18 AWG) solid or stranded copper wire, 75°C rated or higher

• Alarm Connection: 0.5–0.8 mm² twisted-pair copper wire (AWM 1007/1569), 6.3 mm ±0.5 mm strip length

• Ground Connection: 4.0 mm² (12 AWG) stranded copper wire minimum

• Torque Rating:

• Power and Alarm Connectors: 0.23 N•m (2.0 lb•in)

• Ground Terminal: 0.96 N•m (8.5 lb•in) max

• Wiring Category: Category 3 (console and alarm ports), Category 2 (power and Ethernet ports)

• Enclosure Type: Open-style, no protective rating

• Supported Accessories:

• Memory Card: 1784-SD1

• SFP Modules: 1783-SFP100FX, 1783-SFP1GSX, 1783-SFP100LX, 1783-SFP1GLX

• Weight: 2.04 kg (4.5 lb)

Application Scenarios

This managed switch is ideal for industrial Ethernet networks requiring real-time data exchange, deterministic communication, and redundancy. It is commonly used in:

• Factory automation and assembly lines

• Process control and monitoring systems

• Machine-to-machine (M2M) communication networks

• Control panels with Allen-Bradley PLCs or CompactLogix systems

FAQ

Q1: Does the 1783-BMS20CA support fiber optic connections?
A1: Yes. It supports optional SFP modules for fiber connectivity, including 100FX, 1GSX, 100LX, and 1GLX transceivers.

Q2: What is the operating temperature range?
A2: The typical Stratix 5700 models operate between -40°C and +60°C, ensuring stable performance in demanding environments.

Q3: Can I use a third-party SD card for configuration backup?
A3: It is recommended to use the Allen-Bradley 1784-SD1 card to ensure compatibility and data integrity.