Technical Specifications

Main Features and Advantages

The defining strength of the Siemens 6AV2125-2GB23-0AX0​ is how it collapses three traditionally separate devices—visualization HMI, portable pendant, and safety enable station—into one handheld unit without compromising any of the three roles. The 7-inch 16:9 widescreen gives roughly 40 % more viewing area than a 4:3 panel of similar diagonal, and with 16.7 million colors the process graphics, alarm lists, and trend views that operators build in WinCC Comfort render crisply enough to distinguish subtle shade-coded status cues on a busy line. Brightness is dimmable 0–100 %, useful when moving between a dark machine cabinet and a sunlit bay door.

Safety integration is where the KTP700F earns its “F” badge. The two three-stage acknowledgement (enable) buttons on the reverse grip and the illuminated E-stop on the face are evaluated through PROFIsafe by the connection box and fed straight into the F-CPU’s safety logic—no external relay wiring, no separate safety module needed for the handheld portion. Per EN 60204-1 behavior, the enable buttons require the operator’s hand to sit in the middle position for machine motion; releasing (hand slips) or squeezing fully (panic grip) both trigger a safe stop. The E-stop is forced-blocking and only goes live when the panel is commissioned through the connection box into the safety loop, so a loose or uncommissioned pendant cannot spoof a safe state. This makes the 6AV2125-2GB23-0AX0​ genuinely deployable on presses, robots, servo-driven handlers, and other machinery where a wandering operator must retain a validated hold-to-run.

From an engineering standpoint, the panel’s protocol openness adds commercial flexibility. While native PROFINET + PROFIsafe is the intended path for S7-1200/1500/300/400, LOGO!, WinAC, and SIMOTION integration, the same RJ45 port simultaneously talks EtherNet/IP and Modbus TCP, meaning the Siemens 6AV2125-2GB23-0AX0​ can also sit on an Allen-Bradley or Modicon-dominated line as a portable diagnostics window. The USB 2.0 host accepts printers, USB sticks for manual backup/restore, and even network cameras. The SD slot handles automatic project backup or data archiving (but not both simultaneously—one or the other, a detail to plan around). Twelve megabytes of user flash, while not massive by today’s tablet standards, is generous for a mobile HMI running WinCC Comfort runtime with up to 2048 tags, 500 configurable screens, 4000-bit messages, 300 recipes, and 32 online/runtime languages.

Ergonomically, the 8 LED function keys are freely mappable and backlit for dark environments, while the resistive touch remains glove-friendly—critical on shop floors where capacitive touch would fail. The enclosure front is plastic (lighter than the aluminum/stainless variants Siemens offers on other lines, keeping the 6AV2125-2GB23-0AX0​ under 1.4 kg despite the battery in tethered-wire operation) with a key switch for mode selection (auto/manual/setup) that can be locked with the plant’s standard key profile. The panel is landscape-mount only, intended to be held or docked, not panel-cut into a cabinet door.

Configurability deserves its own note: because the 2nd-gen Mobile Panels share aspect ratio and resolution with Comfort Panels, a screen designed for a TP700 Comfort can be reused on the 6AV2125-2GB23-0AX0​ with only minor adaptation for the function keys and safety elements. The TIA Portal style editor lets corporate branding (colors, fonts, logo placement) propagate across both stationary and mobile fleet from one place. For migration scenarios, Siemens publishes mapping from older Mobile Panel 177/277 PN/DP to the KTP700F/KTP900F generation, so legacy pendant replacements are a documented path rather than a rewrite.

The connection box ecosystem is also worth flagging. The 6AV2125-2GB23-0AX0​ does not plug straight into a switch—it terminates via a tether (2 / 5 / 8 / 10 / 15 / 20 / 25 m options) into a Connection Box Standard or Advanced, which in turn drops onto the PROFINET ring and houses the PROFIsafe evaluation. The Advanced box adds extended diagnostics and web-server-based switch parametrization. This split design keeps the handheld end lightweight while concentrating the mission-critical termination in a DIN-rail-mountable box on the cabinet.