Omron NT20, User Manual

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Appendix A
Specifications
General Specifications
Note (1) The display quality (e.g., the contrast) will deteriorate at temperatures above 40
°
C. Also, response
will be slower due to the characteristics of liquid crystals at low temperatures.
(2) Do not use the PT in locations subject to long-term exposure to oil.
Item Specification
Power supply voltage 24 VDC
Allowable power supply voltage range 20.4 VDC to 27.6 VDC (24 VDC –15% +15%)
Allowable momentary power interruption
time Not specified.
Power consumption 10 W max.
Ambient operating temperature 0 to 50
°
C (with no freezing)
Storage temperature –20 to 70
°
C
Ambient operating humidity 35% to 85% at 0 to 40
°
C (with no condensation)
35% to 50% at 40 to 50
°
C (with no condensation)
Ambient storage humidity 35% to 85% at
−
20 to 40
°
C (with no condensation)
35% to 50% at 40 to 50
°
C (with no condensation)
35% to 45% at 50 to 70
°
C (with no condensation)
Operating environment No corrosive gases.
Noise immunity Based on IEC 61000-4-4: 2 kV (power line)
Vibration resistance (during operation) 5 to 9 Hz with 3.5-mm single amplitude, 9 to 150 Hz with 9.8-m/s
2
acceleration
for 10 times (1 octave/min) in each of X, Y and Z directions
Shock resistance (during operation) 147 m/s
2
, 3 times in each of X, Y and Z directions
Dimensions (mm) 190 x 108 x 53.5 mm (W x H x D)
Panel cutout dimensions 178.5
+0.5
/
0
x 98.5
+0.5
/
0
mm (H x V), Panel thickness: 1.6 to 4.8 mm
Weight 0.7 kg max.
Degree of protection Front panel operating section: Equivalent to oil-resistant IP65 and equivalent
to NEMA4 (See note 2.)
Applicable standards UL 1604 Class 1 Division 2 and EC Directives