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Allen Bradley 1794-IR8 Rockwell Manufacturer 1794IR8

If an idle speed is programmed (either idle/rated or auto start sequence), the 505E can provide automatic speed control and critical speed avoidance. A ‘Run’ command can be given through the 505E keypad, a remote contact input, or Modbus communications. In addition, an optional ‘Start Permissive’ contact input can be programmed to prevent a start if, for example, the trip-throttle or stop valve is not closed. 

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