Siemens Industrial Automation

6AG1688-3AF37-2AX0

Siemens 6AG1688-3AF37-2AX0 SIPLUS HMI KP8F PN with conformal coating, 8 short-stroke keys, 2 PROFINET interfaces, PROFIsafe, 24 V DC, and IP65 front protection. Submit a legacy-part verification inquiry.

Complete Product Information
Product Code
6AG1688-3AF37-2AX0
Dimensions
18 × 10.5 × 6.2 cm
Weight
0.368 kg
Lifecycle
Active Product
Availability
Check availability with quotation
Lead Time
Confirmed with quotation
Product Attachment
Download technical file

Availability, lead time, condition and warranty are confirmed for each quotation.

Product Information

Technical Product Information

Product Description

Key Features

  • Product identity: Product type designation: KP8F PN; based on 6AV3688-3AF37-0AX0.
  • Keys and LEDs: 8 parameterizable short-stroke keys, 8 function keys, 8 direct keys, and 8 DP direct LEDs with adjustable brightness. LEDs support 5 color modes: red, green, blue, yellow, white.
  • PROFINET and PROFIsafe: 2 PROFINET interfaces with integrated switch support line and ring construction without an external switch. PROFIsafe supports 1x SIL 3 (two-channel) or 2x SIL 2 (single-channel) emergency stop sensors.
  • Digital I/O: 8 digital inputs and 8 digital outputs; total inputs and outputs are max. 8. Outputs have short-circuit protection, 24 V rated output voltage, and 100 mA maximum current per channel.
  • Supply and mounting: 24 V DC rated supply, with a permissible range of 20.4 V to 28.8 V. Front mounting uses a mounting clip; vertical mounting position, portrait and landscape formats are possible.
  • Protection and coating: Conformal coating, IP65 protection at the front, and IP20 protection at the rear.

Applications

  • Process operator control: Parameterizable keys, direct keys, and LEDs support operator control and process signaling.

Technical Summary

Product model 6AG1688-3AF37-2AX0
Product type KP8F PN
Base model 6AV3688-3AF37-0AX0
Supply voltage 24 V DC; permissible range 20.4 V to 28.8 V
Keys 8 short-stroke keys; 8 function keys; 8 direct keys
PROFINET interfaces 2; integrated switch
Safety protocol PROFIsafe; 1x SIL 3 (two-channel) or 2x SIL 2 (single-channel) emergency stop sensors
Digital inputs 8; total inputs and outputs max. 8
Digital outputs 8; current per channel, max. 100 mA; current per group, max. 800 mA
Mounting Mounting clip; front mounting; vertical; portrait and landscape formats
Protection IP65 at the front; IP20 at the rear
Lifecycle Active Product

Frequently Asked Questions

Which exact model and base model should be verified for this Key Panel?

Verify product model 6AG1688-3AF37-2AX0, product type KP8F PN, and base model 6AV3688-3AF37-0AX0.

How many PROFINET interfaces does the KP8F PN have?

It has 2 PROFINET interfaces with an integrated switch for line and ring construction without an external switch.

What supply voltage and range does this panel use?

The rated supply is 24 V DC, with a permissible range of 20.4 V to 28.8 V.

What mounting configuration should be confirmed?

It uses a mounting clip and supports front mounting in a vertical position, with portrait and landscape formats possible.

Product Information

RFQ Information

When contacting us by email, include the model or part number, quantity, brand, specifications and destination. Product or nameplate photos can help identify the requested item.

01Which product reference should I send?

Send the complete model, order number or MLFB shown on the product. Include the hardware version when it matters.

02How are supply terms confirmed?

Availability, condition, lead time, warranty and delivery terms are stated for the specific quotation.

03What helps with replacement requests?

Share the installed model, application, electrical and mechanical requirements, communication interface and a clear nameplate photo.

Product RFQ

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