Datasheet
Machine Automation Controller NX1P
30
Specifications of Analog I/O Option Board
* Projecting parts such as a terminal block is not included. When the Option Board is mounted to the CPU Unit, it protrudes through the CPU Unit
surface. Refer to the NX-series NX1P2 CPU Unit Hardware User’s Manual (Cat. No. W578) for details.
Analog Input Option Board (NX1W-ADB21)
Item Specification
Model NX1W-ADB21 NX1W-DAB21V NX1W-MAB221
I/O Analog input Analog output Analog I/O
Voltage input 0 to 10 V
2 words total
--- 0 to 10 V
2 words total
Current input 0 to 20 mA --- 0 to 20 mA
Voltage output --- 0 to 10 V 2 words 0 to 10 V 2 words
Connection type
Screwless clamping terminal block
(5 terminals)
Screwless clamping terminal block
(3 terminals)
Screwless clamping terminal block
(8 terminals)
Applicable wire size AWG24 to 20
Dimensions (mm) * 35.9 × 35.9 × 28.2 (W×H×D)
Weight 24 g 24 g 26 g
Power consumption
Included in the CPU Unit power consumption.
The Option Board power consumption is included in the definition of the CPU Unit power consumption.
Isolation method No isolation
ERR
IN
VI1
I I1
VI2
I I2
COM
A
nalog input terminal block
Status indicator
Analog Input Terminal Array
Note: When you use the current input, be sure to short-circuit V I1 with
I I1, and short-circuit V I2 with I I2.
Abbreviation Signal name
V I1 Voltage input 1
I I1 Current input 1
V I2 Voltage input 2
I I2 Current input 2
COM Input common
Analog Input Specifications
* Refer to the NX-series NX1P2 CPU Unit Built-in I/O and Option Board User’s Manual (Cat. No. W579)
for information on refresh time.
Item
Specification
Voltage input Current input
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 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 55°C ±1.0% (full scale) ±1.2% (full scale)
Averaging processing Not provided
Conversion time Internal sampling time: 2 ms per point *