National-instruments 24-Bit Half/Full-Bridge Analog Input Module NI 923 Manuel d'utilisateur télécharger pdf (Page 28)

NI 9237 Operating Instructions and Specifications 28 ni.com

Physical Characteristics

If you need to clean the module, wipe it with a dry towel.

Weight............................................... 152 g (5.4 oz)

Safety

Safety Voltages

Connect only voltages that are within the following limits.

Between any two pins....................... ±30 V max

Isolation

Channel-to-channel .................... None

Channel-to-earth ground

Continuous ........................... 60 VDC, Measurement

Category I

Withstand ............................. 1,000 V

rms

, verified by a 5 s

dielectric withstand test

Measurement Category I is for measurements performed on

circuits not directly connected to the electrical distribution system

referred to as MAINS voltage. MAINS is a hazardous live electrical

supply system that powers equipment. This category is for

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National-instruments 24-Bit Half/Full-Bridge Analog Input Module NI 923 Manuel d'utilisateur Page 28