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.: 6ES7647-7BJ40-2DD0
Country of origin:Germany
Product Type: Industrial PC
Barcode: 85371099
Payment: T/T, Western Union
Weight: 3250g
Dimensions: 76.00 x 22.00 x 5.00 cm
Shipping port: Xiamen
Warranty: 12 months
This is a Siemens SIMATIC IPC427C 6ES7647-7BJ40-2DD0, a compact industrial computer designed for demanding automation, visualization, and data processing tasks in industrial environments. This specific configuration features an Intel Core 2 Duo 1.2 GHz processor, 4 GB of DDR3 RAM, and a dual-storage system comprising a 50 GB high-endurance SATA Solid-State Drive (SSD) and a replaceable 2 GB CompactFlash card. The unit is delivered with Windows 7 Ultimate MUI pre-installed, providing a ready-to-deploy platform for control and HMI applications.
| Product Identification | |
|---|---|
| Manufacturer | Siemens |
| Product Series | SIMATIC IPC427C |
| Product Type | Microbox PC |
| Part Number | 6ES7647-7BJ40-2DD0 |
| Product Lifecycle Status | Phase-Out |
| Processing Unit | |
| Processor | Intel Core 2 Duo |
| Clock Speed | 1.2 GHz |
| Front Side Bus (FSB) | 800 MHz |
| Cache | 3 MB SLC |
| Memory and Storage | |
| Installed RAM | 4 GB DDR3 1066, SODIMM |
| Internal Drive | 50 GB Solid-State Drive (SATA, High Endurance) |
| Removable Drive | 2 GB CompactFlash (Replaceable) |
| Software | |
| Operating System | Windows 7 Ultimate MUI (Pre-installed) |
| Logistics | |
| Country of Origin | Germany (Estimated) |
| Package Dimensions (Calculated) | 76.00 x 22.00 x 5.00 cm |
| Shipping Weight | 3.25 kg |
| Commodity Code | 85371099 |
| ECCN | 5A992 |
CRITICAL WARNING: RISK OF ELECTRIC SHOCK AND EQUIPMENT DAMAGE
Installation must be performed by qualified personnel only. Disconnect and lock out all power sources before installation or maintenance. This device contains electrostatically sensitive components; use proper ESD handling procedures at all times.
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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
|