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.: 6ES7647-7BD21-0AX0
Country of origin:Germany
Product Type: PC Microbox
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
The Siemens 6ES7647-7BD21-0AX0 is a SIMATIC IPC427C (Microbox PC) designed for industrial automation applications. This compact industrial PC features a Celeron M 1.2 GHz processor with an 800 MHz FSB and 1 MB SLC, along with CAN memory configuration. It includes 1 GByte DDR3 1066 SODIMM for efficient operation. Hardware extension options include a second RS232 interface in an expansion rack. The unit supports a replaceable drive (accessible) without a pre-installed mass storage drive, and an internal, non-accessible 320 GB HDD SATA. It is supplied without an operating system, allowing for flexible integration into existing systems.
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Manufacturer | Siemens |
| Range | Simatic Box PC |
| Subrange | IPC427C |
| Type of Product | PC Microbox |
| PLM Product Phase | Phase-Out |
| Processor | Celeron M 1.2 GHz, 800 MHz FSB, 1 MB SLC, CAN |
| Memory Configuration | 1 GByte DDR3 1066, SODIMM |
| Internal Drive | 320 GB HDD SATA (not accessible) |
| Operating System | Without operating system |
| Hardware Extension | Second RS232 interface in expansion rack |
| Drive Accessibility | Replaceable without drive (accessible) |
| Package Dimensions (Calculated) | 76.00 x 22.00 x 5.00 cm |
| Shipping Weight | 3.25 kg |
| Commodity Code | 85371099 |
| Export Control Regulations (ECCN) | N |
The unit includes an expansion option for a second RS232 interface via an expansion rack.
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Returns & Warranty

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Returns & Warranty
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| Country of origin |
Germany
|