11. A heater's limit switch is supposed to cut off power when heat exceeds a certain temperature. 12. Set the back limit switch so it is about six inches in front of the power unit. 13. An automatic motor controller may also include limit switches or other devices to protect the driven machinery. 14. In the industrial automation field, Sumber Engineering ( M ) Sdn Bhd will be presenting multiple limit switches . 15. Many machines implement control parameters limiting axis motion past a certain limit in addition to physical limit switches . 16. If it doesn't close all the way, move the front limit switch slightly forward on the drive rail. 17. They were pieces of junk, and there were multiple problems with them, not just the limit switches ." 18. Sumber Engineering sales executive Louis Chai said the limit switches serve as command inputs for automatic controls in automation. 19. If it doesn't, move the front limit switch forward about one sixteenth of an inch and repeat the test. 20. Failure of any of the relays, motors or limit switches will prevent the convertible system from completing the cycle.