IndraDrive products from Bosch-Rexroth, with Safety-on-Board, provide reaction times which the company says are 400 times faster than conventional solutions that use contactors to produce a safe stop.
Safety functions can be selected directly at the drive and include functions to achieve safe standstill, safe operational stop, reduced velocity (speed), limited increment, direction of movement, limited absolute position and safe control of protective door. Rexroth's Safe Motion technology is certified according to EN 954-1, Category 3. The IndraDrive with Safety-on-Board is designed in accordance with EN61508 and EN954-1 SIL3 standards.
The drive also offers I/O for the safeguarding logic needed to interface to safety gates, panel switches and interlock switches. The drive units, available as servo or vector, cover an output spectrum from 1.5 to 120 kW. For more information on IndraDrive products, go to http://rbi.ims.ca/4930-533.