Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV2125-2AE23-0AX0 |
| Manufacturer | Siemens |
| Product Type | SIMATIC HMI Advanced Connection Box (for Mobile Panels) |
| Supply Voltage | 24 V DC (19.2–28.8 V range) |
| Current Consumption | 95 mA (typ.) |
| Power Loss | 2.3 W (typ.) |
| PROFINET / IE Interfaces | 3 × RJ45, 10/100 Mbit/s |
| Integrated Switch | Yes, 3-port, IRT-capable, MRP client |
| Supported Protocols | PROFINET, PROFIsafe, IRT, TCP/IP, MODBUS, EtherNet/IP, DHCP, SNMP, DCP, LLDP |
| Safety Integrity | SIL 3 (IEC 61508) / PLe (ISO 13849-1) |
| Emergency Stop Features | Hardwired bridging + PROFIsafe monitoring, STOP btn, Ack btn monitored |
| Plug Identification | Yes (detects which box a Mobile Panel is docked to) |
| Mounting | Wall-mount / direct mount |
| Protection Rating | IP65 (front and rear) |
| Housing Material | Plastic |
| Dimensions (W × H × D) | 230 × 151.3 × 75.4 mm |
| Weight | ≈ 0.72 kg |
| Included Accessory | 2 GB Key-PLUG USB stick |
| Operating Temperature | 0 °C to +55 °C |
| Certifications | CE, cULus, RCM, KC, GL, ABS, DNV, LRS, NK |
Main Features and Advantages
The Siemens 6AV2125-2AE23-0AX0 is far more than a wall plate with RJ45s — its value lives in three differentiated capabilities that Basic-tier boxes simply cannot match.Dual-mode safety evaluation (hardwired + PROFIsafe, SIL 3 / PLe). When a Mobile Panel is undocked, the 6AV2125-2AE23-0AX0 bridges the emergency-stop circuit through its internal relay logic, so the machine’s safety chain stays closed without requiring the panel to be plugged in. When docked, E-STOP / STOP / Ack buttons are evaluated both by the hardwired path and by PROFIsafe telegrams on the PN network. This dual-path architecture means you can swap panels between stations without a controlled shutdown, and the safety loop still meets SIL 3 / PLe — a decisive advantage on large lines where multiple docking points serve one cell.IRT + MRP — mobile HMI enters the high-availability ring. The integrated 3-port switch in the Siemens 6AV2125-2AE23-0AX0 isn’t just passthrough; it’s an active PN device. IRT support lets the box carry isochronous traffic (motion axes, drive synchronization) on the same cable that serves the HMI, and MRP client capability lets it sit in a redundant media ring — cable break → <200 ms reconfiguration, no line stop. For plants already running MRP rings with S7-1500, this box drops in without breaking the redundancy plan.Plug identification + Key-PLUG enablement. Each 6AV2125-2AE23-0AX0 has a unique ID that the Mobile Panel reads on docking, so the HMI application can auto-switch screens or privilege levels based on which station it’s plugged into — no manual “select station” menu for the operator. The bundled 2 GB Key-PLUG also activates SmartServer / Sm@rtClient on paired Comfort Panels, giving you browser-based remote view and co-control without an extra license seat.Marine & harsh-environment certified. With GL, ABS, DNV, LRS, NK approvals, the Siemens 6AV2125-2AE23-0AX0 isn’t limited to dry factories — shipbuilding, offshore skids, and food/bev washdown zones (IP65 both sides) are all valid deployment targets. The plastic housing resists corrosion better than metal in salt-air environments, and the 0–55 °C operating envelope covers most non-oven industrial cells.
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