
6AG1688-3EH47-2AX0 SIPLUS HMI KP32F PN Panel
This entry details the Siemens 6AG1688-3EH47-2AX0 industrial human-machine interface unit. The device supports extended temperature ranges and integrated safety protocols via PROFINET.
Quick Facts
- Part number
- 6AG1688-3EH47-2AX0
- Brand
- Siemens
- Category
- HMI Panels
- Product type
- HMI Panels
- Lifecycle
- Active Product
- Dimensions
- 46.5 x 33.00 x 13.00 cm
- Net weight
- 1.849 Kg
- Source category
- SIPLUS HMI KP8/KP8F/KP32F
Product Overview
The Siemens 6AG1688-3EH47-2AX0 is classified as an active product within the automation technology sector. It functions as a key panel designed for robust industrial environments requiring reliable operator interaction. Review Siemens 6AG1688-3EH47-2AX0 as HMI Panels with source category SIPLUS HMI KP8/KP8F/KP32F, recorded lifecycle Active Product, and submitted model identity.
This specific model integrates conformal coating to withstand challenging operational conditions. The unit operates within a temperature range of -20 to +55 degrees Celsius, ensuring stability in varied settings.
Technical Review Notes
- The interface utilizes PROFINET communication protocols for network connectivity and data exchange. Keep dimensions 46.5 x 33.00 x 13.00 cm and net weight 1.849 Kg unchanged while comparing project documents and product image evidence.
- PROFIsafe functionality is embedded to support safety-related communication over the network.
- The control surface features thirty-two short-stroke keys equipped with multi-colored LEDs.
- Input and output configurations include sixteen digital inputs plus sixteen combined DI/DQ channels.
- Four dedicated safety DI pins are provided for direct connection to safety circuits.
- The power supply accepts twenty-four volts DC and allows for loop-through capability.
Model Identification
- The base hardware corresponds to the 6AV3688-3EH47-0AX0 reference model designation. Use the source path Automation technology / Key Panels / SIPLUS HMI KP8/KP8F/KP32F to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
- The SIPLUS variant indicates enhanced environmental protection compared to standard industrial panels.
- The PN suffix denotes the integration of PROFINET interface capabilities for Ethernet networks.
- The KP32F classification identifies the form factor as a key panel with thirty-two keys.
Technical Parameters
| Product type | HMI Panels |
|---|---|
| Lifecycle | Active Product |
| Dimensions | 46.5 x 33.00 x 13.00 cm |
| Net weight | 1.849 Kg |
| Source category | SIPLUS HMI KP8/KP8F/KP32F |
Parameters are factual source fields retained for model review.
Parameter Review
- Physical dimensions are recorded as forty-six point five by thirty-three by thirteen centimeters. Check product-owned images, label text, connector area, and submitted model references against the exact 6AG1688-3EH47-2AX0 record before publication.
- The net weight of the unit is listed at one point eight four nine kilograms.
- Configuration and parameterization require STEP 7 version five point five or higher software.
- The product class indicates restricted review notes requiring direct contact with review contacts.
- Operating voltage parameters specify a twenty-four volt DC supply for standard operation.
Catalog Classification
Image & Label Review
- Front view images typically display the thirty-two key layout with LED indicators. Review Siemens 6AG1688-3EH47-2AX0 as HMI Panels with source category SIPLUS HMI KP8/KP8F/KP32F, recorded lifecycle Active Product, and submitted model identity.
- Side profiles may illustrate the depth and mounting flange structure of the casing.
- Rear views often show the PROFINET connector ports and terminal block arrangements.
- Labeling images confirm the part number and SIPLUS branding on the housing.
Product Image Gallery

Inquiry Preparation
- Verify the required STEP 7 software version for parameterization before initiating setup procedures. Keep dimensions 46.5 x 33.00 x 13.00 cm and net weight 1.849 Kg unchanged while comparing project documents and product image evidence.
- Confirm the PROFINET network topology and PROFIsafe requirements for the target application.
- Check physical space constraints against the recorded dimensions of forty-six by thirty-three centimeters.
- Ensure power supply units meet the twenty-four volt DC loop-through specifications.
Category Context
This unit falls under the broader category of automation technology key panels. Use the source path Automation technology / Key Panels / SIPLUS HMI KP8/KP8F/KP32F to confirm catalog context, model family, parameter review scope, and technical inquiry preparation notes.
It is specifically categorized within the SIPLUS HMI KP series product line.
Review Notes
- Source parameter review confirms the active lifecycle status of this specific model.
- Project document review should address the extended temperature range requirements for deployment.
- Safety circuit integration requires validation of the four dedicated DI pin connections.
- Network configuration notes must account for the integrated PROFIsafe communication protocol.



