National Instruments SCXI-1328, Installation Manual

Page: 7 / 10

© National Instruments Corporation 7 SCXI-1328 Installation Guide
Installation
To connect the terminal block to the SCXI module front connector, perform
the following steps:
1. Connect the module front connector to its mating connector on the
terminal block.
2. Tighten the top and bottom thumbscrews on the back of the terminal
block to hold it securely in place.
Note For accurate cold-junction compensation, place the SCXI chassis away from an
extreme temperature differential.
Specifications
Cold-junction sensor
Accuracy
1
........................................ 0.5° from 15 to 35 °C
0.9° from 0° to 15 °C
and 35 to 55 °C
Repeatability ................................... 0.2° from 15 to 35 °C
Output ............................................. 1.91 to 0.58 V from 0 to 55 °C
Common-mode isolation
Channel to channel.......................... 300 V
rms
Channel to ground........................... 300 V
rms
Environment
Operating temperature............................ 0 to 50 °C
Storage temperature ............................... –20 to 70 °C
Relative humidity ................................... 5% to 90% noncondensing
Safety
Designed in accordance with IEC 61010-1, UL 3111-1, and CAN/CSA
C22.2 No. 1010.1 for electrical measuring and test equipment.
Approved at altitudes up to 2000 meters.
Installation Category II
Pollution Degree 2
1
Includes the combined effects of the temperature sensor accuracy and the temperature difference between the temperature
sensor and any screw terminal. The temperature sensor accuracy includes tolerances in all component values, the effects
caused by temperature and loading, and self-heating.