17 Analog Input/Output Option Board
17-16
CP2E CPU Unit Software User’s Manual(W614)
17-7 Analog I/O Option Board
Each CP1W-MAB221 Analog I/O Option Board provides two analog inputs and two analog outputs.
• The analog input signal ranges are 0 to 10 V (with a resolution 1/4,000) and 0 to 20 mA (with a reso-
lution 1/2,000).
• The analog output signal ranges are 0 to 10 V (with a resolution 1/4,000).
17-7-1 Main Specifications
Item
Specifications
Voltage I/O Current I/O
Analog Input Sec-
tion
Input signal range 0 V to 10 V 0 mA to 20 mA
Max. rated input 0 V to 15 V 0 mA to 30 mA
External input impedance 200 kΩ min. Approx. 250 Ω
Resolution 1/4,000 (full scale) 1/2,000 (full scale)
Overall accuracy 25°C ±0.5% (full scale) ±0.6% (full scale)
0 to 60°C ±1.0% (full scale) ±1.2% (full scale)
-20 to 0°C ±1.3% (full scale) ±1.5% (full scale)
A/D conversion data 0000 to 0FA0 hex 0000 to 07D0 hex
Averaging function Not supported
Analog Output
Section
Output signal range 0 V to 10 V ---
External output allowable load
resistance
2 kΩ min. ---
External output impedance 0.5 Ω max. ---
Resolution 1/4,000 (full scale) ---
Overall accuracy 25°C ±0.5% (full scale) ---
0 to 60°C ±1.0% (full scale) ---
-20 to 0°C ±1.3% (full scale) ---
D/A conversion data 0000 to 0FA0 hex ---
Conversion time Inner conversion time 6ms (4CH total)
Refresh time refers to 17-9 Analog Option Board Refresh
Time
Isolation method None
Current consumption 5 VDC: 80 mA max.
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