3-20
Section 3 Specications
3-6-5 Analog input/output board (NA3AW03-MR)
(1) Specications
Item Specication
Type NA3AW03-MR
No. of input channels 2 channels
Input impedance Voltage input: 100 k
W
, Current input: 125
W
Maximum allowable input Voltage: ±15V, Current: 30mA
Analog input range
0 to +10V
0 to 20mA
* Selectable by wiring of the terminal block.
Resolution 14 bits (Set for each channel by the program loader.)
Overall accuracy ±1% *1
A/D conversion value INT type
Sampling cycle Synchronized with the scan of the main unit.
Moving average 1 to 16 times (Set for individual channels by the program loader.)
No. of output channels 1 channel
External load resistance Voltage output: 2 k
W
to 1 M
W
, Current output: 0 to 500
W
or less
Analog output range
0 to +10V
0 to 20mA
* Selectable by wiring of the terminal block.
Resolution 12 bits
Overall accuracy ±1%
Data type of digital output value INT type
Output cycle Synchronized with the scan of the main unit.
External wire connections 5-pole European-style terminal block (M2) x 1, Tightening torque: 0.2 N·m
Applicable wire size AWG#28-16 * Be sure to use shielded twisted pair cables.
Status indication None
Isolation method Not isolated
Occupied words 3 words
Internal current consumption 5V DC, 158mA
*1 The overall accuracy is the specication for when noise described in “Electrical service conditions” is not applied.
If noise is applied, the overall accuracy may exceed the above specication.
*2 Screw tightening torque for mounting the board on a main unit: 0.2 N·m
(2) Names
GND
IO0+
GND
VI0+
II0+
VI1+
II1+
1) Terminal block
<Signal assignment>
* For the detailed specications of and how to use the analog input/output board (Type: NA3AW03-MR), refer to the user’s
manual “Analog Unit (FEH527).”