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New programmable automation controllers triple processing performance
20 April 2005, Computer/Embedded Technology
Engineers building processing-intensive control applications can triple their processing performance with a new family of Compact FieldPoint controllers from National Instruments. The new cFP-2100 controllers include a 200 MHz Pentium-class Vega processor that, when combined with new SDRAM memory, is more than three times faster than previous controllers. The new Compact FieldPoint devices are categorised as programmable automation controllers (PACs), that NI says delivers the flexibility of PCs with the ruggedness of PLCs.
The Compact FieldPoint 2100 family of controllers offers additional improvements compared to existing controllers, including more memory - increased from 16/32 MB RAM to 64/128 MB RAM - and a larger industrial-grade temperature range - increased from -25-60°C, to -40-70°C. The new controllers feature SDRAM memory that can lock memory access to the CPU clock, resulting in faster data transfer. Unlike EDO RAM memory used in previous controllers, SDRAM memory facilitates simultaneous data transfer to the CPU while another set of data is being prepared for transfer.
By combining these new controllers with new NI software tools such as the LabVIEW WriteRead virtual instrument (VI) and new AI/AO combo modules such as the cFP-AIO-600 and the cFP-AIO-610, engineers can lower system jitter to less than 1 ms. This jitter reduction results from improved communication between the controller and the I/O modules, as well as faster data management.
The cFP-2100 controllers deliver additional features including an internal temperature sensor, serial console redirect and new, faster LabVIEW VIs. Their increased performance and new features make these controllers well-suited for processing-intensive applications such as high-speed control and high-channel count distributed I/O.
The Compact Field-Point platform is ideal for high-vibration industrial applications, withstanding 50 g of shock and 5 g of RMS vibration, and operate from -40 to 70°C. For more information contact NI South Africa, 0800 203 199. |
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