BACnet 8 UI, 4 DO,3AO ELC field controller1controllerELC-88668 UINTC 10K,DI,0-10V,4-20mA,0-5V 8 DI 6DO, 6AO 0-10V or 4-20mA. 2controllerELC-881208 UI NTC 10K,DI,0-10V,4-20mA,0-5V 8 DI 12DO3controllerELC-8438 UI NTC 10K,DI,0-10V,4-20mA,0-5V 4 DO, 3AO0-10V or 4-20mA. 4controllerELC-8618 UINTC 10K,DI,0-10V,4-20mA,0-5V 6 DO 1AO0-10V 5controllerELC-160016 U INTC 10K,DI,0-10V,4-20mA,0-5V 0DO ...