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Appendix A Specifications
© National Instruments Corporation A-7 NI 7340 User Manual
Maximum Working Voltage
Channel-to-earth..................................... 12 V, Installation Category I
(signal voltage plus
common-mode voltage)
Channel-to-channel................................ 22 V, Installation Category I
(signal voltage plus
common-mode voltage)
Caution These values represent the maximum allowable voltage between any accessible
signals on the controller. To determine the acceptable voltage range for a particular signal,
refer to the individual signal specifications.
Environment
Operating temperature............................ 0 to 55 °C
Storage temperature ...............................–20 to 70 °C
Humidity ................................................ 10 to 90% RH, noncondensing
Maximum altitude..................................2,000 m
Pollution Degree ....................................2
Safety
This product is designed to meet the requirements of the following
standards of safety for electrical equipment for measurement, control,
and laboratory use:
• IEC 61010-1, EN 61010-1
• UL 3111-1, UL 61010B-1
• CAN/CSA C22.2 No. 1010.1
Note For UL and other safety certifications, refer to the product label, or visit
ni.com/hardref.nsf, search by model number or product line, and click the
appropriate link in the Certification column.