Choosing between two industrial HMIs often comes down to whether you need a complete panel or just the part that takes the finger pressure. The Allen Bradley PanelView Plus 7 Ser B Industrial HMI Touchscreen 2711P-T12W21D8S and the Siemens KTP700 Membrane Keypad + Touchpad 6AV2123-2GB03-0AX0 HMI Repair Kit sit on opposite sides of that line. The price spread is $618.60, from $799.99 down to $181.39, and that difference drives the whole decision.
Quick Verdict
If you need a complete used touchscreen HMI with a color display, the Allen Bradley PanelView Plus 7 is the unit to choose. If you are refreshing an existing KTP700's operator interface, the Siemens membrane keypad + touchpad repair kit is the lower-priced path.
| Consideration | Allen Bradley PanelView Plus 7 | Siemens KTP700 Repair Kit |
|---|---|---|
| Listed price | $799.99 | $181.39 |
| What you receive | Complete used HMI touchscreen | Membrane keypad + touchpad repair kit |
| Operator interface | Touchscreen with color display | Membrane keypad + touchpad |
| Condition | Used; surface scratches and scuffs, bezel cosmetic wear | Used |
| Country of Origin | United States | China |
Where Each Product Wins
The Allen Bradley PanelView Plus 7 wins for anyone who wants a full touchscreen HMI instead of a component. Its color display and complete-panel form make it the only listing here that could serve as the main operator interface on its own. The higher price is the tradeoff, and the visible scratches and scuffs mean you are accepting a used cosmetic appearance.
The Siemens KTP700 repair kit wins on entry cost and on role. It costs $618.60 less than the Allen Bradley, and it is aimed at replacing the membrane keypad and touchpad on a KTP700. It is a service-oriented option rather than a complete replacement HMI, so it suits a narrower scenario.
Product Notes
Allen Bradley PanelView Plus 7 Ser B Industrial HMI Touchscreen 2711P-T12W21D8S
The Allen Bradley PanelView Plus 7 Ser B is the higher-priced listing in this head-to-head, sold as a used industrial HMI touchscreen. Its main strength is completeness: you get a full touch panel with a color display, plus a 2018 manufacture date, rather than a repair component. The unit originates from the United States, which may matter for your sourcing preferences. What you give up is cosmetic condition: the screen has visible scratches and scuffs, and the bezel shows wear. Pick this one if your priority is a complete HMI with a color touchscreen and you can accept a used panel with surface marks.
Siemens KTP700 Membrane Keypad + Touchpad 6AV2123-2GB03-0AX0 HMI Repair Kit
The Siemens KTP700 repair kit takes the opposite approach. Rather than a complete HMI, it is a membrane keypad plus touchpad kit for the KTP700, so it fits the role of refreshing the interface layer on an existing unit. This used unit originates from China. The main tradeoff is scope: this is a repair kit, not a full display assembly, so it only makes sense if your project is specifically about replacing those KTP700 controls. If you need a whole new HMI, the lower sticker price does not replace the complete-panel capability.
Final Choice by Use Case
Pick the Allen Bradley PanelView Plus 7 when you need a full used touchscreen HMI with a color display and you are comfortable with a used panel that shows visible wear. Pick the Siemens KTP700 membrane keypad + touchpad repair kit when you are servicing a KTP700 operator interface and the rest of the HMI hardware is already in place.
