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© National Instruments Corp. 19 NI 9201/9221
Physical Characteristics
If you need to clean the module, wipe it with a dry towel.
Screw-terminal wiring ......................12 to 24 AWG copper
conductor wire with 10 mm
(0.39 in.) of insulation
stripped from the end
Ferrules .............................................0.25 mm
2
to 2.5 mm
2
Torque for screw terminals ...............0.5 to 0.6 N · m
(4.4 to 5.3 lb · in.)
Weight
NI 9201/9221
with screw terminal ....................150 g (5.3 oz)
NI 9201/9221 with DSUB..........145 g (5.1 oz)
Safety
Safety Voltages
Connect only voltages that are within the following limits.
Channel-to-COM .............................. ±60 VDC max