... square 80mm, may be customized 4.EMC certification Modbus to FF, PA, HART Converter,apply to TTL, RS232,RS485 transmitter NCS ... able to integrate device/board with MODBUS communication interface to FF bus system. Bus power supply is selected by NCS- ... AI,AO,DI,DO function blocks.FeaturesCompliant with FF standard, provide FF communication ability to MODBUS deviceSupport Link Master functionSupport AI, ...