Allen-Bradley 1783-ETAP2F – EtherNet/IP Linear Tap Module | Stratix Industrial Network Platform
Engineering Background: The Allen-Bradley 1783-ETAP2F is a purpose-built EtherNet/IP Linear Tap (ETAP) module developed by Rockwell Automation as part of the Stratix industrial networking ecosystem. Designed to enable non-intrusive, passive network monitoring and device connection in linear (daisy-chain) EtherNet/IP topologies, the 1783-ETAP2F allows engineers to tap into live industrial Ethernet segments without disrupting production traffic or requiring network downtime.
Product Positioning: Targeted at automation engineers and system integrators deploying Logix-based control architectures, the 1783-ETAP2F bridges field-level devices directly onto the EtherNet/IP backbone. It is the preferred tap solution for machine-level networks in automotive, food & beverage, oil & gas, and discrete manufacturing environments where network resilience and minimal footprint are critical.
Complete Technical Specifications
| Part Number | 1783-ETAP2F |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Series / Platform | Stratix EtherNet/IP Tap (ETAP) |
| Module Type | EtherNet/IP Linear Tap Module |
| Network Protocol | EtherNet/IP (CIP over Ethernet) |
| Port Configuration | 2 × RJ45 (linear ports) + 1 × RJ45 (device port) |
| Data Rate | 10/100 Mbps, Full-Duplex |
| Topology Support | Linear (Daisy-Chain), Device-Level Ring (DLR) capable |
| Supply Voltage | 24V DC (18–32V DC) |
| Power Consumption | ≤ 3.5 W |
| Operating Temperature | 0 °C to +60 °C (32 °F to 140 °F) |
| Storage Temperature | -40 °C to +85 °C |
| Relative Humidity | 5–95% non-condensing |
| Mounting | DIN Rail (35 mm) |
| Enclosure Rating | IP20 |
| Dimensions (H × W × D) | Approx. 100 × 22.5 × 114 mm |
| Weight | Approx. 200 g |
| Certifications | UL, CE, cUL, RCM, EAC |
| Compatible Controllers | ControlLogix, CompactLogix, MicroLogix (EtherNet/IP enabled) |
| Configuration Tool | Studio 5000 Logix Designer, RSLinx Classic |
Proven Application Environments
- Automotive Assembly Lines: Linear tap connections for servo drives, vision systems, and I/O blocks along conveyor segments.
- Food & Beverage Processing: Hygienic-zone device integration with minimal panel footprint on DIN rail.
- Oil & Gas Upstream/Midstream: Robust field-device connectivity in harsh electrical environments.
- Discrete Manufacturing: Machine-level EtherNet/IP daisy-chain networks for distributed I/O and drives.
- Water/Wastewater Treatment: Remote I/O and instrumentation integration over linear EtherNet/IP segments.
- Packaging Machinery: High-speed device-level ring (DLR) topologies for fault-tolerant operation.
Engineering Advantages
- Zero-Downtime Tapping: Connect or disconnect field devices from the linear segment without interrupting upstream/downstream network traffic.
- DLR Ring Supervisor Support: Enables Device Level Ring topology for sub-3ms fault recovery, critical for motion and safety applications.
- Compact DIN-Rail Form Factor: 22.5 mm wide — minimizes panel space while supporting full 100 Mbps throughput.
- Native EtherNet/IP Integration: Fully managed by Studio 5000 and RSLinx; no third-party configuration tools required.
- Diagnostic Visibility: Port-level link/activity LEDs and SNMP-accessible statistics for proactive network health monitoring.
- Wide Input Voltage Range: 18–32V DC tolerance accommodates standard 24V DC industrial power supplies with voltage sag.
System Architecture & Signal Flow
In a linear EtherNet/IP topology, the 1783-ETAP2F is installed in-line between upstream and downstream network nodes. The two linear ports (Port 1 and Port 2) pass traffic transparently between segments, while the device port provides a dedicated 10/100 Mbps connection for a single field device (drive, I/O block, sensor, etc.).
When configured in a Device Level Ring (DLR) topology, the ETAP module participates as a ring node. The integrated ring supervisor capability allows the module to detect ring faults and reconfigure traffic paths within milliseconds, ensuring continuous I/O updates to the Logix controller. Signal flow: Controller → EtherNet/IP Switch (e.g., Stratix 5700) → 1783-ETAP2F (linear chain) → Field Device.
Sourcing & Quality Verification
- Authorized Supply Chain: All 1783-ETAP2F units at Konmask.com are sourced from verified industrial distributors and OEM surplus channels with full traceability.
- Pre-Shipment Inspection: Each unit undergoes visual inspection, label verification (Rockwell Automation holographic seal check), and power-on functional test.
- Counterfeit Prevention: Serial number and date code cross-referenced against Rockwell Automation’s product authentication guidelines before dispatch.
- Packaging Integrity: Ships in original or equivalent ESD-safe packaging with desiccant; no repackaging without documentation.
- Warranty: 12-month Konmask operational warranty covering manufacturing defects under normal industrial use conditions.
Procurement Process
- Confirm Part Number: Verify 1783-ETAP2F against your BOM or existing network documentation (check firmware revision compatibility if required).
- Request Quote: Contact support@konmask.com for volume pricing, lead time, and availability confirmation.
- Submit PO: Purchase orders accepted via email; proforma invoice issued within 1 business day.
- Shipping: DHL Express / FedEx International Priority standard; EXW Xiamen or CIF destination available.
- Documentation: Commercial invoice, packing list, and test report provided with every shipment.
Technical FAQ
Q: Can the 1783-ETAP2F replace a standard unmanaged Ethernet switch in a linear topology?
A: No — the ETAP is not a switch. It is a transparent tap that passes traffic between linear ports and provides one device port. For star topology or multi-device connections, use a Stratix 5700 or 2000 managed switch.
Q: Does the 1783-ETAP2F support Device Level Ring (DLR) as a ring supervisor?
A: Yes. The 1783-ETAP2F supports DLR ring supervisor functionality, enabling fault-tolerant ring topologies with sub-3ms recovery time.
Q: What is the maximum number of ETAP modules in a single DLR ring?
A: Rockwell Automation recommends a maximum of 48 nodes per DLR ring for optimal performance and fault recovery timing.
Q: Is the 1783-ETAP2F compatible with non-Rockwell EtherNet/IP devices?
A: Yes — the module is protocol-agnostic at the physical/data-link layer. Any standard 10/100BASE-TX Ethernet device can connect to the device port, though DLR supervisor features require CIP-compliant devices.
Q: What Studio 5000 version is required for full ETAP configuration?
A: Studio 5000 Logix Designer v21.00 or later is recommended. RSLinx Classic v3.51 or later for device discovery and diagnostics.
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