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Appendix A
Specifications
General Specifications
Item Specification
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 temperature
0 to +50_C
Storage ambient temperature
–20 to +60_C
Operating ambient humidity 35% to 85% (with no condensation)
Operating environment No corrosive gases
Noise resistance
Common mode: 1000 Vp-p (between power supply terminals and panel)
Normal mode: 300 Vp-p
Pulse width of 100 ns to 1 µs, pulse rise time of 1 ns
Vibration resistance (operating)
- 10 to 57 Hz with 0.075 mm amplitude
- 57 to 150 Hz with 1G {9.8 m/s
2
} acceleration
for 60 minutes in each of X, Y, Z directions
Shock resistance (operating)
147 m/s
2
{15G}
3 times in each of X, Y, and Z directions
Dimensions
195 (W) 142 (H) 54 (D) mm
(With expansion unit mounted: 195 (W) 142 (H) 74 (D) mm)
Weight 1 kg max.
Panel cutout dimensions
184 × 131 mm
+0.5
0
+0.5
0
Circle of panel pressure 1.6 to 4.8 mm
Enclosure ratings Front panel: Equivalent to IP65F (NEMA4)*
Grounding D-type grounding (Ground to 100 Ω or less)
* The NT31/NT31C may not be used at a location where it is exposed to splashing oil for a long period.