Caution When terminals are hazardous live, you must
ensure that devices and circuits connected to the
module are properly insulated from human contact. You
must use the NI 9928 backshell kit to ensure that the
terminals are not accessible.
NI 9266 with Screw Terminal Safety Voltages
Connect only voltages that are within the following limits:
AO-to-COM and
V
sup
-to-COM
±36 V DC maximum
Isolation
Channel-to-channel None
Channel-to-earth ground, V
sup
-to-earth ground, or
COM-to-earth ground
Continuous 250 V RMS,
Measurement Category II
Withstand up to
3,000 m
3,000 V RMS, verified by a 5 s
dielectric withstand test
Measurement Category II is for measurements performed on
circuits directly connected to the electrical distribution system.
4 | ni.com | NI 9266 Getting Started Guide
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