Derivative Action in PID Control Without Noise Problems
Learn what derivative action contributes to a PID loop, why it can amplify measurement noise and setpoint changes, and how filtering, sampling, and staged tests make D tuning safer.
Manufacturer: Siemens
Product No.: 6AV7611-0AA20-0AH0
Country of origin:Germany
Product Type: Panel PC
Barcode: 85371091
Payment: T/T, Western Union
Weight: 4g
Dimensions: 40 cm x 30 cm x 15 cm
Shipping port: Xiamen
Warranty: 12 months
This is a Siemens SIMATIC Panel PC 670, model 6AV7611-0AA20-0AH0, designed for industrial human-machine interface (HMI) and control applications. This standard configuration unit features a 10-inch TFT display, a Celeron 300 MHz CPU, 128 MB of RAM, and a 20 GB hard drive. It operates on a 24 V DC power supply and comes pre-installed with the Windows NT 4.0 operating system in German. This model is designated as an obsolete part, suitable for legacy system maintenance and spare parts inventory.
| Specification | Value |
|---|---|
| Manufacturer | Siemens |
| Series | SIMATIC Panel PC 670 |
| Part Number | 6AV7611-0AA20-0AH0 |
| Product Type | Panel PC |
| Display Size | 10 inch |
| Display Type | TFT |
| Processor (CPU) | Celeron 300 MHz |
| Memory (RAM) | 128 MB |
| Storage | 20 GB Hard Drive (HD) |
| Input Voltage | 24 V DC |
| Operating System | Windows NT 4.0 (German) |
| Product Lifecycle Status | Obsolete |
| Shipping Weight | 4.00 kg |
| Commodity Code | 85371091 |
| ECCN | N |
| Country of Origin | Germany (Estimate) |
| Package Dimensions (Calculated) | 40 cm x 30 cm x 15 cm |
CRITICAL WARNING: HAZARDOUS VOLTAGE
Installation must be performed by qualified personnel only. Disconnect all power sources and follow Lockout/Tagout (LOTO) procedures before accessing equipment. Failure to de-energize the system can result in severe injury or death.
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Returns & Warranty

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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
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| Country of origin |
Germany
|