NI WSN-3212 User Guide and Specifications
26
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NI WSN-3212 Device Pinout
Figure 27.
NI WSN-3212 Pinout
Specifications
These specifications are typical from –40 to 70 °C unless otherwise noted.
For the NI WSN gateway specifications, refer to the gateway documentation.
Analog Input Characteristics
Number of channels ...............................................4, thermocouple input
ADC resolution ......................................................24 bits
Type of ADC..........................................................Delta-Sigma
Voltage measurement range ...................................±73 mV
Common-mode range
Channel-to-common ......................................±700 mV
Common-mode rejection ratio (0 to 60 Hz)
Channel-to-common ......................................95 dB
Temperature measurement ranges
Thermocouple types J, K,
R, S, T, N, and B ............................................Works over temperature ranges defined by NIST
Thermocouple type E.....................................–270 to 950 °C
1
0
2
3
4
5
6
7
9
8
10
11
12
1
3
14
15
16
17
DIO PWR
D GND
DIO
3
D GND
DIO 2
D GND
DIO 1
D GND
DIO 0
COM
TC
3
+
TC
3
–
TC2–
TC2+
TC1–
TC1+
TC0–
TC0+