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.: 6ES7677-1DD00-0BA0
Country of origin:Germany
Product Type: Modular Embedded Controller
Barcode: 85389091
Payment: T/T, Western Union
Weight: 1810g
Dimensions: 16.00 x 12.50 x 11.50 cm
Shipping port: Xiamen
Warranty: 12 months
The Siemens 6ES7677-1DD00-0BA0 is a SIMATIC S7 Modular Embedded Controller, model EC31, designed for reliable automation in demanding industrial environments. This controller features 1 GB RAM and a 2 GB Flash Disk, preinstalled with Windows XP Embedded, providing a robust foundation for process control and monitoring applications.
The device is equipped with a comprehensive set of interfaces for flexible connectivity and expansion, including two PROFINET ports, one Fast Ethernet port, two USB ports, and an MMC slot. Documentation and restore media are supplied on CD/DVD, facilitating straightforward setup and maintenance. The 6ES7677-1DD00-0BA0 is engineered for seamless integration into complex production lines, supporting rapid deployment to minimize downtime in industrial automation systems.
Refurbished units of the 6ES7677-1DD00-0BA0 meet strict quality standards and are backed by a standard 2-year warranty, offering both sustainability and operational assurance for project managers and production leaders.
| Manufacturer | Siemens |
| Brand | Siemens |
| Range | Simatic S7 |
| Subrange | S7 |
| Product Type | Modular Embedded Controller |
| Model | EC31 |
| RAM | 1 GB |
| Flash Disk | 2 GB |
| Preinstalled Software | Windows XP Embedded |
| PLM Product Phase | Obsolete |
| Package Dimensions (Calculated) | 16.00 x 12.50 x 11.50 cm |
| Shipping Weight | 1.81 kg |
| Commodity Code | 85389091 |
| Export Control Regulations (ECCN) | 5D002 |
| Interface Type | Quantity |
| PROFINET | 2 |
| Fast Ethernet | 1 |
| USB | 2 |
| MMC Slot | 1 |
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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
|