ABB AFS655 Ethernet Switch

1. Product Overview

The ABB AFS655 Ethernet Switch is an industrial-grade Ethernet switch designed for automation systems, factory networks, fieldbus communication, and control networks.
It delivers high-performance data forwarding, reliability, and scalability to meet the demands of industrial environments for real-time communication, high bandwidth, and network stability.

2. Technical Specifications

• Model: AFS655

• Type: Industrial Ethernet Switch

• Brand: ABB

• Port Count:

  • Multiple 10/100/1000 Mbps RJ45 ports

• Transmission Speed: Up to 1 Gbps (dependent on port configuration)

• Switching Capacity: High-capacity backplane switching

• MAC Table Size: Large MAC address table support

• VLAN Support: IEEE 802.1Q VLAN

• QoS Support: 8 levels of Quality of Service priority

• Redundancy Protocols: STP / RSTP support

• Ethernet Protocols: Supports TCP/IP, UDP, SNMP, and other industrial protocols

• Operating Voltage: 24 V DC (standard industrial power)

• Operating Temperature Range: -40 ℃ to +75 ℃

• Protection Class: IP20 (installed inside control cabinets)

• Mounting: 35 mm DIN rail or cabinet mount

• Dimensions (approx.): Varies with port count

• Weight (approx.): Around 0.8 kg

3. Key Advantages & Features

1. Industrial-Grade Reliability
   Designed for harsh industrial environments with high resistance to EMI, vibration, and shock.

2. High-Performance Network Communication
   Supports Gigabit ports and large bandwidth, suitable for real-time industrial data communication.

3. VLAN Support
   Logical network segmentation enhances security and manageability.

4. QoS Priority Control
   Ensures priority delivery of critical network traffic.

5. Network Redundancy Protection
   STP/RSTP support enables loop redundancy and rapid fault recovery.

6. Easy Installation and Maintenance
   Modular design with DIN rail mounting, suitable for control cabinet and rack installations.

4. Typical Applications

• Industrial automation network infrastructure

• PLC, DCS, and SCADA system communication

• Robotics and manufacturing execution system (MES) networks

• Distributed control system network topology

• Data aggregation and transmission from field devices (sensors, drives)

• Energy management and smart manufacturing network systems

5. Installation & Usage Notes

1. Ensure supply voltage matches the switch’s power requirements before installation.

2. Separate signal and power cabling to reduce electromagnetic interference.

3. Install in well-ventilated locations to avoid high temperature, humidity, or dust buildup.

4. Secure mounting prevents loose wiring due to vibration.

5. Network configuration and redundancy settings should be performed by professionals experienced with industrial networks.

6. Periodically verify port link statuses and indicator LEDs to ensure network health

The structure and details of the product：

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