247
Appendix A
Specifications
General Specifications
*1
Version 2 (-V2) PTs: 10 to 57 Hz with 0.075-mm amplitude and 57 to 150 Hz with 9.8-m/s
2
acceleration for
30 minutes each in X, Y, and Z directions
*2
Application may not be possible in locations subject to long-term exposure to oil.
Item Specification
NT31-ST123@-EV3 NT31C-ST143@-EV3
Rated power supply voltage 24 VDC
Allowable power supply
voltage range
20.4 VDC to 26.4 VDC (24 VDC –15% to +10%)
Allowable power interruption
time
No regulation
Power consumption 15 W max.
Operating ambient tempera-
ture
0 to 50°C
Storage ambient tempera-
ture
–20 to 60°C
Operating ambient humidity 35% to 85% (with no condensation)
Operating environment No corrosive gases
Noise immunity Conforms to IEC 61000-4-4, 2 kV (power line).
Vibration resistance
(operating)
*1
5 to 9 Hz with 3.5-mm single amplitude and 9 to 150 Hz with 9.8 m/s
2
acceleration
10 times each in X, Y, and Z directions (1 octave/min)
Shock resistance (operating)
147 m/s
2
{15G}
3 times in each of X, Y, and Z directions
Dimensions 195 × 142 × 54 (W × H × D) mm
(With Expansion Unit mounted: 195 × 142 × 74 (W × H × D) mm)
Panel cutout dimensions
Weight 1 kg max.
Degree of protection
Front panel: Protection equivalent to oil-proof IP65 (NEMA4).
*2
Grounding D-type grounding (Ground to 100 Ω or less)
184 × 131 mm
+0.5
0
+0.5
0
Circle of panel pressure 1.6 to 4.8 mm
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