Parameter
| Main Parameters | Value/Description |
|---|---|
| Product Model | 6AV6671-5AE00-0AX0 |
| Manufacturer | Siemens AG |
| Product Category | Connectivity Box / Docking Terminal (DP Basic) |
| Compatible Mobile Panels | 6AV6645-0A*, 6AV6645-0C*, 6AV6645-0BE02-0AX0 (MP 177 / MP 277 DP variants) |
| Supply Voltage | 24 V DC (20.4 – 28.8 V range) |
| Current Consumption | 0.4 A (typ. 10 W active power) |
| Bus Interface | 1× RS-485 (PROFIBUS DP / MPI, max. 12 Mbit/s), 1× RS-422, 1× RS-232 |
| Safety Evaluation | Direct wiring passthrough (E-Stop circuit interrupted on undock) |
| STOP Button Monitoring | No (feature of DP Plus only) |
| Hot Swapping | Yes, with E-Stop circuit interruption |
| Location Identifier | Yes (auto node-ID handoff to mobile panel) |
| Protection Rating | IP65 (front, panel inserted) / IP20 (rear) |
| Dimensions (W × H × D) | 160 × 120 × 70 mm |
| Weight | 0.35 kg (Siemens catalog: 0.487 kg gross) |
| Certifications | CE, cULus, RCM (C-TICK) |
| Operating Temp. | 0 °C to +50 °C (vertical mounting) |
Technical Principles and Innovative Values
- Innovation Point 1: Transparent E-Stop Passthrough. The 6AV6671-5AE00-0AX0 doesn’t try to be a safety controller — it mechanically interrupts the E-Stop circuit the moment the panel is undocked (via the latching connector). This “FH technology” approach means the safety chain is broken at the physical layer before anyone can carry a live panel into a hazard zone. For applications where the PLC-side F-PLC or a PNOZ already owns the safety logic, the Basic box avoids double-evaluating the same loop.
- Innovation Point 2: Location Identifier for Multi-Station Roaming. Each 6AV6671-5AE00-0AX0 can be hardware-DIP-configured with a station ID. When a Mobile Panel docks, it reads this ID and can auto-switch its MPI/PROFIBUS node parameter or trigger a screen overlay (“You are at Station 3 – Extruder B”). This turns one roaming panel + N docking boxes into a poor-man’s multi-station HMI system without rewriting the HMI project.
- Innovation Point 3: Triple Serial Breakout. Beyond the PROFIBUS/MPI RS-485 port, the 6AV6671-5AE00-0AX0 also surfaces 1× RS-232 and 1× RS-422 on the rear terminal strip. Some OEMs use the RS-232 to tie a barcode scanner or a printer to the mobile panel’s host IPC, or the RS-422 for a legacy drive — all through one docking box instead of external gateways.
Application Cases and Industry Value
Case 1 – Automotive Final Assembly (OEM Skid, Western Europe). A seat-assembly skid builder used four S7-300 nodes along a 40-meter track, each with a Mobile Panel 277 DP for jog-and-fit operations. Initially they specced fixed TP177B panels, but ergonomics suffered — operators couldn’t see around the seat frame. The retrofit swapped to three 6AV6671-5AE00-0AX0 docking boxes at key work positions plus one roaming MP 277 DP. The Basic boxes were chosen over Plus because the skid’s S7-300 already had an F-DI reading the panel’s E-Stop via hardwire — no need for the Plus box to re-evaluate. Total BOM saving: ~€180/box × 3 = €540, which the OEM passed to the end customer. The 6AV6671-5AE00-0AX0 location IDs (set 1/2/3 via DIP) let the panel’s WinCC Flexible project show “Station 1 – Left Seat Rail” vs “Station 3 – Headrest Torque” automatically. Operators reported the roaming setup “actually made sense” — rare praise on a retrofit.
Case 2 – Steel Service Center (Retrofit, North America). A cut-to-length line running S7-400 via MPI had a Mobile Panel 177 DP on a 6AV6671-5AE00-0AX0 at the recoiler station. After 11 years, the docking box’s RS-485 connector shell cracked from forklift proximity (not the panel’s fault — the box was wall-mounted too low). The plant engineer sourced a replacement 6AV6671-5AE00-0AX0, matched the DIP location ID to the old one (ID=5), and the MP 177 DP docked with zero reconfiguration — MPI node, project, touch calibration all untouched. Downtime: 8 minutes. The plant subsequently bought two more 6AV6671-5AE00-0AX0 as shelf spares “because Siemens killed it in 2021 and we’ve got eight more years on this line.”
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