Description
Engineered for resilient deployment in rugged industrial environments, the Delta Electronics DVS-110W02-3SFP serves as a robust communications backbone featuring 7 Fast Ethernet ports and 3 Gigabit Ethernet combo ports. This managed switch optimizes critical industrial control loops by offering redundant dual-rate SFP slots alongside copper physical media, ensuring flexible fiber trunking across long distances. Encased in a rugged IP40 metal chassis, this device operates reliably across a wide temperature spectrum from -40 degC to 75 degC, matching the strict requirements of substation, wind power, and intelligent traffic management systems.
Key Features
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Flexible Port Density: Incorporates 7 x 10/100Base-T(X) RJ45 copper ports and 3 x 10/100/1000Base-T / 100/1000Base-SFP combo ports.
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Hardened Diagnostics: Dual digital inputs and dual relay outputs for immediate, on-site alarm notifications and system state integration.
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Redundancy Mechanics: Supports redundant dual power inputs to preserve network status during primary source failures.
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Industrial-Grade Enclosure: Heavy-duty IP40 metal housing provides superior heat dissipation and high electromagnetic immunity.
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Advanced Management: Enables comprehensive ring redundancy, VLAN configuration, QoS priorities, and secure SNMP capabilities.
Applications
- Substation automation and renewable energy SCADA collection nodes.
- Traffic control cabinet systems requiring high operating temperature tolerances.
- Water and wastewater plant networking utilizing distributed redundant PLC networks.
- Factory floor automation with mixed copper-to-fiber industrial Ethernet networks.
Technical Specifications
| Parameter |
Value |
| Manufacturer |
Delta Electronics |
| Model Number |
DVS-110W02-3SFP |
| Series |
DVS-110 Series |
| Copper RJ45 Ports |
7 x 10/100Base-T(X), Auto MDI/MDI-X |
| Combo Ports |
3 x 10/100/1000Base-T or 100/1000Base-SFP active dual-rate |
| Digital Inputs (DI) |
2 x Dry Contact inputs (max state detection) |
| Digital Outputs (DO) |
2 x Relay outputs (rated 1 A at 24 VDC) |
| Input Voltage Range |
Dual redundant 12 to 48 VDC terminal block inputs |
| Enclosure Protection |
IP40 metal case |
| Operating Temperature |
-40 degC to 75 degC |
| Storage Temperature |
-40 degC to 85 degC |
| Mounting Options |
DIN-rail mounting standard, optional wall mount |
| Shipping Weight (Calculated) |
2.0 kg |
Connections and Interfaces
| Terminal / Port Block |
Interface Assignment |
| Ports 1 to 7 |
10/100Base-T(X) RJ45 pins for local field devices |
| Ports 8 to 10 (Combo) |
Dual-purpose copper/fiber ports for Gigabit uplinks |
| Terminal Block (V1+, V1-) |
DC Primary Power Input (12 to 48 VDC) |
| Terminal Block (V2+, V2-) |
DC Backup/Redundant Power Input (12 to 48 VDC) |
| Terminal Block (DI1, DI2, DI COM) |
Digital Inputs for remote dry-contact sensor monitoring |
| Terminal Block (R1, R2) |
Relay contact outputs for automated trip/fault alerting |
Empirical Engineering Insights
Alternative Models & Compatibility
The DVS-110W02-3SFP represents the premium high-availability model in the DVS-110 series. Unlike the non-SFP models (e.g., DVS-110W02), which rely solely on RJ45 copper uplinks, this variant supports mixed-mode topologies. If substituting for older series switches, ensure that the active SFP transceivers match the optical wavelength and distance limits of existing transceivers, as modern Delta firmware strictly monitors DDMI parameters and may report SFP diagnostic faults if mismatched or low-quality components are installed.
Application Pitfalls & Engineering Notes
While the DVS-110W02-3SFP switch functions perfectly up to 75 degC, operating near this limit inside unventilated, high-voltage control panels can accelerate the aging of internal electrolytic capacitors. To avoid localized thermal pockets, maintain at least 50 mm of vertical clearance above and below the switch chassis. Furthermore, standard-grade SFP transceivers can overheat and fail if run in environments exceeding 60 degC; always verify that installed transceivers are rated for extended industrial operating ranges.
Commissioning & Wiring Tips
To prevent operational ground loops, ground the switch's chassis directly to the field cabinet ground plate using a heavy gauge copper conductor connected to the protective earth screw on the switch's top block. Additionally, configure the SNMP alert thresholds within the switch's management utility during initial commissioning to capture dry-contact digital input changes, allowing immediate detection of physical cabinet door breaches or localized surge protection device (SPD) trips.
Installation Guidelines
CRITICAL WARNING
Verify that all incoming DC power lines are completely de-energized and locked out before wiring the terminal block connectors. Failure to isolate power can result in transient electric arcing, causing equipment damage or personal injury. Ensure the protective earth terminal is fully connected prior to completing any interface or power connection.
1
Mount the DVS-110W02-3SFP onto a standard 35 mm symmetric DIN rail, securing it with the rear-integrated spring-locked mounting bracket.
2
Connect the functional/protective earth terminal from the top of the switch body directly to the cabinet ground bar using a low-impedance copper wire.
3
Insert the stripped power conductors into the terminal block plug, secure the screw terminals, and plug the block into the switch (V1 and V2 for redundant topologies).
4
Insert necessary RJ45 copper cables and matching SFP transceivers, confirming positive click-locking for all physical media links.