Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 6AV3688-3ED13-0AX0 |
| Manufacturer | Siemens AG |
| Product Type | SIMATIC PP17-II Push Button Panel |
| Short-Stroke Keys | 32 with parameterizable functions |
| Surface-Mounted LEDs | 32 (Red, Yellow, Green colors) |
| Digital Inputs | 16 (24 V DC) |
| Digital Outputs | 16 (24 V DC, 100 mA per output) |
| Communication Interfaces | PROFIBUS DP, MPI |
| Supply Voltage | 24 V DC (18 V to 30 V permissible) |
| Power Consumption | 12 W typical |
| Front Protection | IP65 |
| Rear Protection | IP20 |
| Operating Temperature | 0°C to 55°C (vertical installation) |
| Storage Temperature | -20°C to 60°C |
| Housing Material | Aluminum |
| Mounting Type | Front mounting, clamp terminals |
| Mounting Cutout | 226 mm x 190 mm |
| Housing Dimensions | 240 mm x 204 mm x 53 mm |
| Weight | Approximately 1.13 kg |
| Configuration Software | STEP 7 (TIA Portal), WinCC |
Main Features and Advantages
The Siemens 6AV3688-3ED13-0AX0 offers a powerful combination of operational flexibility and system integration efficiency. Its 32 short-stroke keys with tactile feedback are complemented by 32 surface-mounted LEDs that can display red, yellow, or green status indications, providing operators with clear visual confirmation of process states . Each key can be parameterized and programmed to control specific machine functions, while the key cap labeling is user-definable, allowing the 6AV3688-3ED13-0AX0 to be customized for a wide variety of applications without requiring hardware modifications .
A standout feature of the Siemens 6AV3688-3ED13-0AX0 is its integrated 16 DI and 16 DO terminals, which effectively transform the panel into an intelligent I/O device . The digital inputs and outputs are mapped directly to the PLC’s I/O address space via the PROFIBUS DP or MPI interface, functioning as 32 direct keys (inputs) and 32 DP direct LEDs (outputs) . This design innovation eliminates the need for separate I/O modules in many applications, reducing hardware costs, cabinet space requirements, and wiring complexity. The outputs are short-circuit protected and rated for 100 mA each, organized in groups of four with a total group current of 500 mA .
Reliability and durability are central to the 6AV3688-3ED13-0AX0 design. The aluminum housing provides excellent mechanical strength and shielding, while the IP65-rated front panel ensures protection against dust and low-pressure water jets . The short-stroke keys are rated for 1.5 million switching cycles, and the LEDs are designed for 100% duty cycle operation . The Siemens 6AV3688-3ED13-0AX0 also features automatic key and signal lamp testing at power-on, simplifying commissioning and ongoing maintenance verification . With its PROFIBUS DP12 interface supporting baud rates up to 12 Mbps, the panel enables fast, reliable communication with host controllers .
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