Omron NX1P2 series

3 Configuration Units
3 - 30
NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
 Analog I/O Terminal Array
Precautions for Correct Use
When you use the current input, be sure to short-circuit V I1 with I I1, and short-circuit V I2 with
I I2.
 Analog I/O Specifications
Abbreviation Signal name
IN VI1 Voltage output 1
II1 Current input 1
VI2 Voltage input 2
II2 Current input 2
COM Input common
OUT VO1 Voltage output 1
VO2 Voltage output 2
COM Output common
Item
Specification
Voltage I/O Current I/O
Analog
input
section
Input method Single-ended input Single-ended input
Input range 0 to 10 V 0 to 20 mA
Input conversion
range
0 to 10.24 V 0 to 30 mA
Absolute maximum
rating
-1 to 15 V -4 to 30 mA
Input impedance 200 k min. Approx. 250 
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 55°C ±1.0% (full scale) ±1.2% (full scale)
Averaging processing Not provided
Analog
output
section
Output range 0 to 10 V ---
Output conversion
range
0 to 10.24 V ---
Allowable load resis-
tance
2 k min. ---
Output impedance 0.5  max. ---
Resolution 1/4,000 (full scale) ---
Overall
accuracy
25°C ±0.5% (full scale) ---
0 to 55°C ±1.0% (full scale) ---
Conversion time
Internal conversion time: 6 ms (Total of 4 channels)
*1
*1. Refer to the NX-series NX1P2 CPU Unit Built-in I/O and Option Board User’s Manual (Cat. No. W579) for in-
formation on refresh time.