Siemens 6AV3688-3AY36-0AX0

Brand: Siemens
Model: 6AV3688-3AY36-0AX0

Inventory situation: Goods are available in stock.

Product features

A useful industrial human-machine interface (HMI) panel from the SIMATIC HMI KP8 PN series is the Siemens 6AV3688-3AY36-0AX0. Let's start by examining the Siemens 6AV3688-3AY36-0AX0 hardware. It features eight short-stroke function keys, which are simple to press and frequently use in hectic industrial environments. There are multicolored LED indicators on each key that can display red, green, blue, yellow, or white. These LEDs can be programmed to change colour and correspond to various functions, allowing workers to quickly and easily determine the status of machines at a glance.

Two integrated PROFINET ports with switch functions are available for connections on the Siemens 6AV3688-3AY36-0AX0. These ports support MRP (Media Redundancy Protocol), which maintains the connection even in the event of a minor network outage, and operate at 10/100 Mbit/s. Additionally, it features eight DI/DO pins that can be adjusted to use 24 V DC signals. You don't need additional components to connect simple devices because these pins can be connected straight to sensors, actuators, or external buttons.

The Siemens 6AV3688-3AY36-0AX0 consumes roughly 300 mA of power and is powered by a 20.4–28.8 V DC power source. It can also be powered by a 24 V DC loop, which is useful for maintenance because it allows you to unplug it without shutting down the entire system. The Siemens 6AV3688-3AY36-0AX0 is compact in terms of dimensions and installation: 98 mm in width, 155 mm in height, and 49 mm in depth. With an IP65 rating, its front panel is waterproof and dustproof, making it ideal for soiled or damp industrial settings. With an IP20 rating on the back, it can be installed either horizontally or vertically like a card. Additionally, it is compatible with standard 22.5 mm components, such as emergency stop buttons.

Specifications

Model	6AV3688-3AY36-0AX0
Series	SIMATIC HMI KP8 PN
Operating elements	8 short-stroke function keys
Voltage range	20.4–28.8 V DC
Dimensions	W 98 mm × H 155 mm × D 49 mm
Installation method	Card-in fixed
Humidity	10%–90% (non-condensing)
Operating temperature	0–55°C

Application scenarios

The Siemens 6AV3688-3AY36-0AX0 is used in car assembly plants to operate robotic welding cells and conveyor systems. Each of the eight keys can initiate a specific function, such as beginning a welding cycle or stopping a problematic line segment Siemens. The multicolored LEDs indicate machine status: green for regular operation, red for problems, and yellow for Siemens warnings. Its IP65 front protection can survive 10-12 hours of daily dust exposure and occasional coolant splashes, which are frequent in these conditions. The dual PROFINET ports with integrated switch enable daisy-chaining of up to 8 panels without the need for extra network hardware, lowering installation costs by 30% (Siemens).

Siemens 6AV3688-3AY36-0AX0 is used in food plants to manage packing lines and mixing systems. The 8 keys are used by operators to alter mixing speeds, initiate filling processes, and confirm recipe adjustments Siemens. The 8 customizable DI/DO pins link directly to sensors for temperature (±0.5°C precision) and pressure levels, avoiding the need for additional I/O modules. The panel's 24V DC loop-through feature may power up to five neighboring devices, which reduces wiring complexity in moist situations. Its 1,500,000-cycle key lifespan can handle the 2,000 or more daily operations that are typical in 24-hour food processing facilities.

FAQ

Q: What is the Siemens 6AV3688-3AY36-0AX0?

A: The Siemens 6AV3688-3AY36-0AX0 is a SIMATIC HMI KP8 PN Key Panel from the Siemens SIMATIC HMI Key Panel series. It has 8 short-stroke switches with multi-colored LEDs (5 color modes: red, green, blue, yellow, and white), 2 PROFINET interfaces with integrated switches, and 8 customizable DI/DO pins. The panel is configurable in STEP 7 V5.5 and later versions, as well as the TIA Portal. Its front design measures 98mm (W) x 155mm (H) and has a 49mm built-in depth, making it appropriate for direct machine mounting in industrial automation environments.

Q: Which software is required to configure the Siemens 6AV3688-3AY36-0AX0 KP8 PN?

A: The 6AV3688-3AY36-0AX0 KP8 PN can be parameterized in STEP 7 V5.5 and subsequent versions, as well as via the TIA Portal. The 8 adjustable DI/DO pins, LED behavior, and key functionalities are all defined in the STEP 7 project settings. The KP8 PN does not require any further configuration on the panel; it is a preconfigured, ready-to-run device that connects seamlessly into your existing SIMATIC automation environment.

Q: What is the IP rating of the 6AV3688-3AY36-0AX0? Is it suitable for harsh industrial environments?

A: When properly fitted, the Siemens 6AV3688-3AY36-0AX0 has a front protection rating of IP65, indicating that it is completely dust-tight and resistant to low-pressure water jets from all directions. The rear side of the panel is IP20 rated, which provides basic protection against solid objects larger than 12mm. With an operational temperature range of 0°C to +55°C and a supply voltage tolerance of 20.4V to 28.8V DC, the panel is designed to operate reliably in common industrial settings.

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