Compatibility with Conventional Models
7.3 Analog I/O Unit
7.3.1 Compatibility with Conventional Models
Specification Comparison Chart
Item FP0-A21 FP0R-A21 / FP0R-A42
Appearance
Resolution 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 ch
A42:Input 4 ch/Output 2 ch
Analog input
voltage 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 Available
Analog input
current range
0 to 20 mA Available Available
Analog output
voltage 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 output
current range
0 to 20 mA Available Available
4 to 20 mA
Not available Available (Note 3)
Conversion speed 1 ms/channel
Input 2 ms / All channels
Output 500 μs / All channels
Overall
precision
Voltage
±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 available
Available (Moving average 10
times/ No. of averaging times: 64
times or 128 times) (Note 4)
Power supply
(24V DC)
External power
supply
100 mA or less
A21:80 mA or less
A42:120 mA or less
consumption current
increment
20 mA or less 10 mA or less
(Note 1): The resolution and operation mode is switched by the mode switch.