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.: 6ES7647-6AC25-0CK0
Country of origin:Germany
Product Type: PC Box
Barcode: 85371091
Payment: T/T, Western Union
Weight: 7050g
Dimensions: 92.00 x 21.00 x 14.00 cm
Shipping port: Xiamen
Warranty: 12 months
The Siemens 6ES7647-6AC25-0CK0 is a SIMATIC Box PC 627, designed for industrial automation applications. This robust Box PC features onboard AGP graphics with 8-128 MB shared memory, providing reliable visual output. It is equipped with a Pentium M 730 processor running at 1.6 GHz, supported by 533 MHz FSB and 2 MB SLC, alongside 512 MByte DDR2 533 SODIMM RAM for efficient operation.
Connectivity options include two 10/100 Mbit/s Ethernet RJ45 ports, four high-current USB V2.0 ports, and one serial (COM1) interface. Storage is managed by an onboard RAID controller, an 80 GByte SATA HDD, and a DVD+/-RW drive, with an additional slot for a Compact Flash drive. The system incorporates a watchdog, temperature, and fan monitoring for enhanced reliability and diagnostics. It provides two free PCI slots for further hardware expansion and operates on a DC 24V industrial power supply. The unit comes pre-installed with Windows XP Professional Multi-Language SP2 (English, German, French, Italian, Spanish).
The Siemens SIMATIC Box PC 627 is suitable for a wide range of industrial automation applications, including:
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Manufacturer | Siemens |
| Range | Simatic Box PC |
| Subrange | PC627 |
| Product Type | PC box |
| PLM Product Phase | Obsolete |
| Processor | Pentium M 730 1.6 GHz, 533 MHz FSB, 2 MB SLC |
| RAM | 512 MByte DDR2 533 SODIMM |
| Graphics | AGP Graphics Onboard, 8-128 MB Shared Memory |
| Ethernet Interfaces | 2 x 10/100 Mbit/s RJ45 |
| USB Interfaces | 4 x USB V2.0 (High Current) |
| Serial Interface | 1 x (COM1) |
| Storage | 80 GByte HDD SATA + DVD+/-RW |
| RAID Controller | Onboard |
| Expansion Slots | 1 x Compact Flash Drive Slot, 2 x PCI Free |
| Monitoring | Watchdog, Temperature-/Fan Monitoring |
| Operating System | Windows XP Professional Multi-Language SP2 (EN, GE, FR, IT, SP) |
| Power Supply | DC 24V Industrial |
| Package Dimensions (Calculated) | 92.00 x 21.00 x 14.00 cm |
| Shipping Weight | 7.05 kg |
| Commodity Code | 85371091 |
| Export Control Regulations (ECCN) | N |
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Returns & Warranty

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