Servo networks use FireWire networking
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Motor Technology product story
Edited by the Engineeringtalk editorial team
Sep 11, 2002
A new solution for open, PC-based motion control, that eliminates the need for motion control boards, could reduce system costs by up to GBP 350 per axis.
A new solution for open, PC-based motion control, that eliminates the need for motion control boards, could reduce system costs by up to GBP 350 per axis.
Developed in the USA by Ormec and branded ServoWire SM, the new technology has just been launched in the UK by Motor Technology of Stockport.
It combines PC hardware and software standards with IEEE1394 (FireWire) servo drive networking and provides OEMs with a cost-effective method of controlling up to 16 servos.
ServoWire SM has a standard programming and development environment using standard programming languages (C++ or C) and programming/debugging tools (Microsoft Visual Studio).
Ormec's MotionObjects Class Library provides object-oriented motion control software building blocks to speed software development.
Ormec also provides a software tool for configuration and set-up of ServoWire SM systems.
IEEE1394 provides a high-speed communications link (200Mbit/s) between a ServoWire SM drive and a standard PC.
The drive can be interfaced directly to a PC running Windows NT/2000/XP and VenturCom's real-time extensions (RTX) using a standard IEEE1394 (OHCI-compatible) communications adapter.
No board-level motion controller is required, since the tasks normally performed by the motion control adapter are distributed between the host PC and the ServoWire SM drives.
Eliminating the motion control board and complex interface hardware, along with simplifying wiring and cabling, further reduces system costs.
A ServoWire SM system delivers high loop rates and outstanding servo performance using position, velocity or torque mode operation.
ServoWire SM drives offer a power range from 300 to 15,000W, continuous output currents from 2.4 to 60A RMS/phase and provide continuous stall torques from 0.32 to 75Nm.
The servomotor technologies supported in the software include both rotary and linear DC brushless, DC brush-type and voice coil.
(This was Engineeringtalk's Top Story on 10 September 2002).
(This was Engineeringtalk's Top Story on 10 September 2002).
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