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6AV3688-3EH47-0AX0

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Machine commands and fail-safe input signals enter PROFINET through Siemens 6AV3688-3EH47-0AX0, a KP32F PN panel with 32 illuminated short-stroke keys and configurable I/O.
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Technical specifications for 6AV3688-3EH47-0AX0

  • Manufacturer:
    Siemens
  • Part Number:
    6AV3688-3EH47-0AX0
  • Product Family:
    Siemens Simatic HMI
  • Product Type:
    SIMATIC HMI KP32F PN Fail-Safe Key Panel
  • Stock:
    1
  • Short-Stroke Keys:
    32
  • Key LED Colors:
    Red, green, blue, yellow and white
  • Direct Key Inputs:
    32
  • Direct LED Outputs:
    8
  • Digital Inputs:
    16 fixed plus 16 configurable DI/DQ
  • Fail-Safe Inputs:
    4 pins
  • PROFINET Interfaces:
    2 with integrated switch
  • Safety Protocol:
    PROFIsafe
  • Safety Sensor Allocation:
    2 two-channel SIL 3 or 4 single-channel SIL 2
  • Media Redundancy:
    MRP
  • Rated Supply Voltage:
    24 V DC
  • Permissible Supply Range:
    20.4 to 28.8 V DC
  • Rated Current Consumption:
    1 A
  • Maximum Output Current per Channel:
    100 mA
  • Maximum Output Current per Group:
    800 mA
  • Front Protection:
    IP65 and NEMA 4X/12
  • Rear Protection:
    IP20
  • Operating Temperature:
    0 to 55 °C vertically mounted
  • Configuration Software:
    STEP 7 V5.5 or TIA Portal
  • Key Mechanical Life:
    1500000 switching cycles
  • Weight:
    2.6896 lbs (1.22 kg)
  • Estimated shipping dimensions:
    29.5x15.5x3.7cm
  • Tariff Code:
    85371091
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Keys and LEDs Safety Inputs PROFINET Line Power and Mounting

Features:

  • Thirty-two short-stroke keys send direct operator commands and use five-color status lamps.
  • Standard and fail-safe digital points connect local signals through separate configured data paths.
  • Two switched PROFINET ports carry control data and PROFIsafe communication in a line or MRP ring.
The KP32F PN turns physical key actions into controller inputs and displays returned machine states at the same panel position.

Safety pins can be allocated as two dual-channel SIL 3 paths or four single-channel SIL 2 paths in the safety project.

Loop-through 24 V DC power and front mounting keep network, supply and operator access within one panel assembly.

The Siemens 6AV3688-3EH47-0AX0 KP32F PN Fail-Safe Key Panel may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Siemens 6AV3688-3EH47-0AX0 KP32F PN Fail-Safe Key Panel Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Pairing operator commands with local feedback

  • Direct keys: Thirty-two short-stroke key states are presented as direct S7 input data.
  • Color feedback: Each key lamp can use the configured red, green, blue, yellow or white indication.
  • Direct LEDs: Eight separately addressable LED outputs display assigned controller states.
  • Label membrane: User-defined legends identify the machine command represented by each physical key.

Assigning the four fail-safe signal pins

  • SIL 3 option: The four pins form two dual-channel safety input paths when that structure is configured.
  • SIL 2 option: Alternatively, four independent single-channel safety inputs can be assigned.
  • PROFIsafe path: Safety states travel through the PROFIsafe communication configured for the panel.
  • Project match: Wiring, channel allocation and the safety program must use the same selected arrangement.

Connecting the panel without an external switch

  • Two ports: The integrated switch exposes two Industrial Ethernet/PROFINET connections.
  • Line topology: One port can receive the network and the other can continue it to the next device.
  • Ring option: MRP allows the two interfaces to participate in a configured media-redundancy ring.
  • Port status: Separate indicators identify the connection state of each network port.

Keeping field wiring behind the protected front

  • Supply range: The 24 V DC input must remain within the documented 20.4 to 28.8 V range.
  • Loop-through feed: The supply can pass through the connector without being interrupted when the panel is removed.
  • Front seal: The installed operator face provides IP65 and the documented NEMA protection.
  • Rear boundary: The IP20 electronics remain inside the enclosure behind the panel cutout.
Description
Siemens 6AV3688-3EH47-0AX0 is the SIMATIC HMI KP32F PN fail-safe key panel that collects machine commands from thirty-two illuminated short-stroke keys and exchanges them with a PROFINET controller. Its configurable digital points also connect local field signals that do not require a separate operator screen.

Key actions on 6AV3688-3EH47-0AX0 appear as direct S7 input data, while eight direct LED outputs and the multicolor key lamps return controller states to the operator. User-definable label membranes keep each physical key aligned with its configured machine function.

Four safety input pins give 6AV3688-3EH47-0AX0 either two dual-channel SIL 3 paths or four single-channel SIL 2 paths. PROFIsafe carries those signals separately from ordinary key and I/O data, so the selected channel arrangement must match the safety project.

Two PROFINET ports in 6AV3688-3EH47-0AX0 form an integrated switch for a line or MRP ring without an external network switch. Per-port indicators show the communication state, while the device role and safety parameters are assigned in STEP 7 or TIA Portal.

Power enters 6AV3688-3EH47-0AX0 through a 24 V DC connection that can be looped through to the next device. Front mounting places the IP65/NEMA 4X face at the operator side and leaves the IP20 rear electronics inside the protected enclosure.
Alternative Names
6AV36883EH470AX0 6AV 3688-3EH47-0AX0 6AV3688 3EH47 0AX0 Siemens 6AV3688-3EH47-0AX0 KP32F PN 6AV3688-3EH47-0AX0 PROFIsafe Key Panel 6AV3688-3EH47-0AX0 6AV3688-3EH47-OAXO 6AV36B8-3EH47-0AX0
Technical notes
Siemens 6AV3688-3EH47-0AX0 combines 32 illuminated keys with standard and fail-safe I/O on two switched PROFINET ports. The PROFIsafe sensor arrangement must be configured as either two dual-channel SIL 3 paths or four single-channel SIL 2 paths.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How are the keys of 6AV3688-3EH47-0AX0 read by the controller?
The thirty-two keys of 6AV3688-3EH47-0AX0 appear as direct S7 input data through the configured PROFINET connection.
Can 6AV3688-3EH47-0AX0 show different states on one key?
Yes. The key lamps on 6AV3688-3EH47-0AX0 support the documented red, green, blue, yellow and white color modes.
How can the safety inputs of 6AV3688-3EH47-0AX0 be arranged?
The four safety pins of 6AV3688-3EH47-0AX0 can be configured as two dual-channel SIL 3 inputs or four single-channel SIL 2 inputs.
Is an external Ethernet switch required between two devices and 6AV3688-3EH47-0AX0?
Not for a simple line. The two-port switch inside 6AV3688-3EH47-0AX0 can continue PROFINET to the next device.
What sealing applies after 6AV3688-3EH47-0AX0 is mounted in a cabinet?
The front of 6AV3688-3EH47-0AX0 provides IP65/NEMA 4X/12 protection, while its rear remains IP20 inside the enclosure.
Why must the I/O total be checked on 6AV3688-3EH47-0AX0?
The 6AV3688-3EH47-0AX0 combines fixed inputs with configurable DI/DQ points, so the assigned total and safety allocation must match the hardware project.