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Appendix A Specifications for
© National Instruments Corporation A-5 NI PXI-4224 User Manual
Weight.................................................... 279 g (9.8 oz)
Analog input signal connector ...............25-Pin D-SUB
Maximum Working Voltage
(Signal + common-mode) each input should remain within 42.4 V
peak
or
60 VDC of ground.
Maximum working voltage refers to the signal voltage plus the CMV.
Channel-to-earth (inputs)....................... 42.4 V
peak
or 60 VDC,
Measurement Category I
Channel-to-channel (inputs)...................42.4 V
peak
or 60 VDC,
Measurement Category I
Caution This device is rated for Measurement Category I and is intended to carry signal
voltages no greater than 42.4V
peak
or 60 VDC. Do not use this device for connection to
signals or for measurements within Categories II, III, or IV.
Isolation Voltages
Channel-to-channel, channel-to-earth isolation
Continuous......................................60 VDC,
Measurement Category I
Withstand........................................ 850 V
rms
verified by a 5 s
dielectric withstand type test
Channel-to-bus
Continuous......................................60 VDC,
Measurement Category I
Withstand........................................ 1400 V
rms
verified by a 5 s
dielectric withstand type test
Environmental
Operating temperature............................ 0 to 55 °C
Storage temperature ...............................–40 to 70 °C
Humidity ................................................ 10 to 90% RH, noncondensing
Maximum altitude..................................2,000 m
Pollution Degree (indoor use only)........2