The SI-5 and SI-6 Barrier Terminal Board Signal Isolators convert standard KBIC® and KBMM™ controls to an isolated input. The Isolators contain a selectable jumper (J1) that allows for either a 0 – 5 or 0 – 10 VDC input signal. By using external resistors, the input signal can be changed to 0 – 100 VDC, 0 – 200 VDC and 4 – 20 mA. The output voltage is 0 – 10 VDC which can be rescaled via the built-in MIN and MAX trimpots. Selectable AC Line jumpers (J2A, J2B) allow the SI-5 and SI-6 to be used either with 115 or 230 VAC controls. In addition, a +12 VDC power supply voltage is furnished which can be used to power remote transducers or provide an isolated speed potentiometer. Installation is made by simply mating the SI-5 with the KBIC® and the SI-6 with the KBMM™ speed controls via the built-in quick-connect terminals.