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- Honeywell
- SDW-550EC
- Ethernet Switch
- USA
- 135 x 50 x 110 mm
- 0.65 kg
- Xiamen, China
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Product Overview
The Honeywell SDW-550EC Ethernet Switch is an industrial-grade unmanaged Ethernet switching device designed for use in automation networks, distributed control systems (DCS), and industrial communication infrastructures.
It provides reliable multi-port Ethernet connectivity for connecting controllers, I/O systems, SCADA devices, HMIs, and field network equipment. Built for harsh environments, it ensures stable data transmission with strong resistance to electromagnetic interference (EMI), vibration, and temperature variations.
This switch is widely used in industrial Ethernet architectures requiring compact, rugged, and maintenance-free networking solutions.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Honeywell |
| Model | SDW-550EC |
| Product Type | Industrial Ethernet Switch |
| Network Type | Unmanaged Ethernet Switch |
| Number of Ports | 5 × RJ45 Ethernet ports |
| Port Speed | 10/100 Mbps (auto-negotiation) |
| Communication Standard | IEEE 802.3 / 802.3u |
| Power Input | 12–48 VDC |
| Power Consumption | ~5 W (low power industrial design) |
| Protocol Support | TCP/IP, UDP, IPv4/IPv6 (network dependent) |
| Housing Material | Metal industrial enclosure |
| Protection Rating | IP30 (panel/cabinet installation) |
| Isolation | Port-to-port electrical isolation (EMI protection design) |
| Operating Temperature | -40°C to +75°C |
| Storage Temperature | -40°C to +85°C |
| Mounting Type | DIN rail / industrial cabinet mounting |
| Dimensions | 135 × 50 × 110 mm |
| Weight | 0.65 kg |
Function and Working Principle
The SDW-550EC operates as a data distribution node in industrial Ethernet networks.
Working principle:
- Data Reception
Receives Ethernet frames from connected devices such as PLCs, controllers, and HMIs. - Packet Switching
Forwards data packets to the correct destination port based on MAC address learning. - Network Segmentation
Separates traffic between devices to reduce congestion and improve performance. - Auto-Negotiation
Automatically adjusts speed and duplex mode for connected devices. - EMI Protection & Isolation
Industrial design reduces interference and ensures stable communication. - Plug-and-Play Operation
No configuration required; operates immediately after power-up.
Role in System Architecture
The SDW-550EC serves as a core communication backbone component in industrial automation networks.
It is responsible for:
- Connecting PLCs, controllers, and field devices
- Enabling communication between SCADA and control systems
- Distributing real-time process data across network nodes
- Supporting modular expansion of industrial Ethernet networks
- Improving system reliability through network segmentation
In system architecture, it functions as the network traffic distribution layer between control and field-level devices.
Industrial Applications
The Honeywell SDW-550EC is widely used in:
- Oil and gas automation systems
- Petrochemical plants
- Power generation control networks
- Water and wastewater treatment systems
- Factory automation and production lines
- Building management systems (BMS)
- SCADA monitoring systems
- Industrial IoT communication networks
It is especially suitable for harsh environments requiring stable, maintenance-free Ethernet communication.
Installation & Integration
Proper installation ensures long-term network stability:
- Installed inside industrial control cabinets
- Mounted on standard DIN rail
- Requires 12–48 VDC power supply
- Ethernet cables must comply with Cat5e/Cat6 standards
- Proper grounding recommended for EMI protection
- No software configuration required (plug-and-play)
- Should be installed away from high-voltage interference sources
Compatible Components
The SDW-550EC typically works with:
- Honeywell PLC and DCS controllers
- HC900 control systems
- SCADA and HMI workstations
- Industrial I/O modules
- Ethernet-enabled field devices
- Network gateways and converters
- Industrial power supplies (ACX series)
- Control cabinet communication systems
Recommended Alternative Models
| Model | Type | Feature | Application |
|---|---|---|---|
| SDW-550E | Ethernet switch | Standard industrial version | Basic automation networks |
| SDW-560EC | Managed switch | Advanced configuration | Large industrial networks |
| Hirschmann RS20 | Industrial switch | Rugged redundancy support | Critical infrastructure |
| Siemens SCALANCE X | Ethernet switch | High-performance managed | Factory automation |
| Phoenix Contact FL SWITCH | Industrial switch | Modular network design | Flexible systems |
Advantages
- Stable industrial-grade Ethernet communication
- Plug-and-play operation with no configuration required
- Strong EMI resistance for harsh environments
- Compact and DIN-rail mountable design
- Supports standard industrial Ethernet protocols
- Low power consumption
- Reliable 24/7 operation capability
- Easy system expansion and integration
FAQs
Q1: What is the main function of SDW-550EC?
It distributes Ethernet communication between industrial control devices.
Q2: Is it managed or unmanaged?
It is an unmanaged Ethernet switch.
Q3: How many ports does it have?
It has 5 RJ45 Ethernet ports.
Q4: What systems is it used with?
It is used in Honeywell DCS, PLC systems, and industrial automation networks.
Q5: Does it require configuration?
No, it is plug-and-play.
Conclusion
The Honeywell SDW-550EC Industrial Ethernet Switch is a robust and reliable networking component designed for industrial automation systems. With its rugged construction, plug-and-play operation, and stable Ethernet performance, it plays a key role in ensuring seamless communication across distributed control and monitoring systems.