Compatibility with Conventional Models7-67.3 Analog I/O Unit7.3.1 Compatibility with Conventional Models Specification Comparison ChartItem FP0-A21 FP0R-A21 / FP0R-A42AppearanceResolution and Operation mode 12-bit (1/4000) 12-bit (1/4000)14-bit (1/16000) (Note 1)Number of channels Input 2 ch/Output 1 ch A21:Input 2 ch/Output 1 chA42:Input 4 ch/Output 2 chAnalog inputvoltage range-10 to 10 V DC Available Available-5 to 5 V DC Not available Available (Note 2)0 to 10 V DC Not available Available (Note 2)0 to 5 V DC Available AvailableAnalog inputcurrent range 0 to 20 mA Available AvailableAnalog outputvoltage range-10 to 10 V DC Available Available-5 to 5 V DC Not available Available (Note 3)0 to 10 V DC Not available Available (Note 3)0 to 5 V DC Not available Available (Note 3)Analog outputcurrent range0 to 20 mA Available Available4 to 20 mA Not available Available (Note 3)Conversion speed 1 ms/channel Input 2 ms / All channelsOutput 500 μs / All channelsOverallprecisionVoltage ±0.6%F.S. or less (at 25°C)±1%F.S. or less (at 0 to 55°C)±0.2%F.S. or less (at 25°C)±0.4%F.S. or less (at 0 to 55°C)Current ±0.3%F.S. or less (at 25°C)±0.6%F.S. or less (at 0 to 55°C)Analog input averaging function Not availableAvailable (Moving average 10times/ No. of averaging times: 64times or 128 times) (Note 4)Power supply(24V DC)External powersupply 100 mA or less A21:80 mA or lessA42:120 mA or lessControl unitconsumption currentincrement20 mA or less 10 mA or less(Note 1): The resolution and operation mode is switched by the mode switch.