4
|
ni.com
|
NI 9514Operating Instructions and Specifications
Caution
For Division 2 and Zone 2 applications, install a
protection device between the input signal and the Vsup
pin. The device must prevent the Vsup-to-channel voltage
from exceeding 42 V if there is a transient overvoltage
condition.
Special Conditions for Hazardous Locations Use in
Europe and Internationally
This equipment has been evaluated as Ex nA IIC T4 Gc equipment
under DEMKO Certificate No. 07 ATEX 0626664X and is IECEx
UL 14.0089X certified. Each module is marked
II 3G and is
suitable for use in Zone 2 hazardous locations, in ambient
temperatures of –40 °C
Ta
70 °C. If you are using the NI 9514
in Gas Group IIC hazardous locations, you must use the device in
an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC T4,
Ex nA IIC T4, or Ex nL IIC T4 equipment.
Caution
You must make sure that transient disturbances
do not exceed 140% of the rated voltage.
Caution
The system shall only be used in an area of not
more than Pollution Degree 2, as defined in IEC 60664-1.
Содержание NI 9514
Страница 1: ...NI 9514...