639
Specifications
APPENDIX A
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% RH (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
Resistance to electrostatic discharge
Level 3 (IEC1000-4-2)
In air "8 kV, contact "6 kV, indirect "7 kV
Electromagnetic field strength 10 V/m (IEC1000-4-3)
Fast transient/burst noise
Power supply line: 2 kV (IEC1000-4-4)
I/O line: 0.25 kV
Damped oscillatory wave Power supply line: 1 kV (IEC1000-4-12)
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
+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 Class 3 grounding
EC directives
EMC directive 89/336/EEC, 92/31/EEC
Low voltage directive 73/23/EEC
Applicable EC directives
EMI EN50081-2: 1993
or standards
Standards
EMS EN61131-2: 1995
Standards
Electrical safety EN61131-2: 1995
* The NT31/NT31C may not be used at a location where it is exposured to splashing oil for a long period.
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