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.: 6AV7872-0BF30-0AA0
Country of origin:Germany
Product Type: Panel PC
Barcode: 85371098
Payment: T/T, Western Union
Weight: 17g
Dimensions: 67.0 x 83.0 x 11.5 cm
Shipping port: Xiamen
Warranty: 12 months
The Siemens 6AV7872-0BF30-0AA0 is a SIMATIC Panel PC 677B designed for industrial human-machine interface (HMI) and control applications. This unit features a 15-inch touch display with a 1024x768 resolution and is powered by an Intel Core 2 Duo T7400 processor running at 2.16 GHz. It is equipped with 2 GB of DDR2 RAM and a 160 GB SATA hard drive for application and data storage. Connectivity options include dual Gigabit Ethernet ports, four USB 2.0 ports, a serial port, and an integrated PROFIBUS/MPI interface with 2 MB of buffered SRAM. This model is supplied without an operating system and includes a 110/230 V AC power supply unit.
| Specification | Value |
|---|---|
| Manufacturer | Siemens |
| Part Number | 6AV7872-0BF30-0AA0 |
| Series | SIMATIC Panel PC 677B |
| Product Type | Panel PC |
| Product Lifecycle Status | Obsolete |
| Display Size | 15-inch |
| Display Type | Touch Screen |
| Resolution | 1024 x 768 pixels |
| Processor | Intel Core 2 Duo T7400, 2.16 GHz, 4 MB SLC |
| Memory (RAM) | 2 GB DDR2 |
| Storage | 160 GB SATA HDD 3.5" |
| Optical Drive | Not included |
| Ethernet Ports | 2 x 10/100/1000 Mbit/s |
| USB Ports | 4 x USB 2.0 (rear), 1 x USB (front) |
| Serial Port | 1 x COM1 |
| Fieldbus Interface | PROFIBUS/MPI with 2 MB Buffered SRAM |
| Expansion Slots | 1 x PCI, 1 x PCIe x4 |
| Power Supply | 110/230 V AC with NAMUR |
| Operating System | Not included |
| Country of Origin | Germany (Estimate) |
| Package Dimensions (Calculated) | 67.0 x 83.0 x 11.5 cm |
| Shipping Weight | 17.00 kg |
| Commodity Code | 85371098 |
| ECCN | N |
Installation must be performed by qualified personnel only. Disconnect and lock out all power sources before accessing terminals or performing any installation, wiring, or maintenance. Failure to de-energize equipment can result in severe injury or death.
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Returns & Warranty

Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|