Powerful Sin-Cos encoder multiplier enables high accuracy positioning with low jitter...
PLYMOUTH, MN (August 4, 2008) - Providing sub-nanometer position resolution without compromising speed or throughput, ACS Motion Control's advanced SPiiPlus and MC4U multi-axis motion controllers feature a powerful Sin-Cos encoder multiplier that enables accurate, high-resolution positioning while reducing jitter and settling times.
The SPiiPlus Sin-Cos encoder multiplier features 1Vptp differential inputs that use a maximum theoretical Sin-Cos encoder multiplication factor of 65,536 to achieve the required high resolution of today's demanding motion applications. With input frequencies rated up to 2.5MHz, the achievable maximum velocity is not dependant on the selected multiplication factor enabling the use of ultra high-resolution laser feedback devices.
"When high-speed and nanometer axis position resolutions are required, OEMs have been limited to expensive laser interferometer feedback systems. With our internal SPiiPlus Sin-Cos encoder multiplier, users now have a much less expensive alternative by using an analog Sin-Cos encoder solution," said Evan Reed, ACS Vice President.
The SPiiPlus PCI and linear drives were tested on a high performance XY table used for wafer inspection with Sin-Cos encoder resolutions of 4nm (250 lines per mm). Using a multiplication factor of 8,192, ACS engineers measured a jitter of ±2 encoder counts, which is equivalent to ~1nm. At this high resolution, the axis achieved velocities up to one meter per second.
For more information about ACS motion controllers, contact ACS at 14700 28th Ave North - Suite 25, Plymouth, MN 55447; call 800-545-2980; e-mail evanr@acsmotioncontrol.com; or go to www.acsmotioncontrol.com.
About ACS An international manufacturer of advanced multi-axis motion controllers, machine controllers and integrated control modules, ACS (NASDAQ: ACSEF) provides standard and custom products that combine power and precision to deliver flexible, economical, user-friendly motion and machine control solutions. Established in 1985, ACS' international headquarters is located in Israel and its North American headquarters resides in Plymouth, MN. ACS also has facilities in South Korea and distributors worldwide that deliver dependable customer service and product support. ACS is an ISO9001 certified manufacturing facility, demonstrating its continuous commitment to providing customers with reliable devices that are thoroughly tested with the latest available techniques.
Company Information: Name: ACS Motion Control Address: 14700 28th Ave City: Plymouth State: MN ZIP: 55447 Country: USA Phone: 800-545-2980 http://www.acsmotioncontrol.com
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