ES-9266 Rev.4
NRA
Position Sensors
BRUSHLESS ANGLE SENSOR
(90° use)
Functions & Features
• Providing a DC voltage output proportional to rotating angle
• No mechanical contact
MODEL: NRA–1–T
ORDERING INFORMATION
• Code number: NRA-1-T
ACTION
1
: Direct (the output increases when the input stem,
as it is faced, is turned clockwise.)
POWER INPUT
DC Power
T
: 5 V DC
RELATED PRODUCTS
• Angle sensor transmitter (model: PNS)
GENERAL SPECIFICATIONS
Material
Housing
: ABS
Shaft
: SUS303
Leadwire
: UL1007 AWG24, 200 mm (7.87") long
INPUT SPECIFICATIONS
Input
: Mechanical rotating angle
Effective rotating angle
: Approx. -55° – +55° (110°)
Linearity-assured range
: -45° – +45° (90°)
Mechanical rotating angle
: Approx. -55° – +55° (110°)
Torque
: 0.00147 N·m (0.00108 ft·lbs)
Stopper strength
: 0.098 N·m (0.0723 ft·lbs)
OUTPUT SPECIFICATIONS
Output
: 40 – 60 % of excitation supply (within linearity-assured range)
Output resistance
: Approx. 12 kΩ
Output waveform
: Sinusoidal, full-wave rectified
Output characteristics
: Proportional to the input angle within the linearity-assured range
INSTALLATION
Power input
•DC
: 5 V DC ±10 %
Current consumption
: Approx. 2 mA
Operating temperature
: -20 to +60°C (-4 to +140°F)
Operating humidity
: 30 to 90 %RH (non-condensing)
Environemnt
: Protect from strong magnetic field.
Vibration
: ≤ 2 G (19.6 m/s
2
)
Mounting position
: All directions
Thickness of mounting panel
: 2.5 – 5 mm
(0.10" – 0.20")
Weight
: 50 g (1.76 oz)
PERFORMANCE
"Span" means the output span of linearity-assured range.
Linearity
: ±0.5 % (of span)
Accuracy of the span
: ±7 % of excitation supply
Output accuracy with 0°input
: ±1% of exc. supply
Temp. coefficient
: ±0.009 % / °C (±0.005 % / °F) or ±90 ppm / °C (±50 ppm / °F) of span
Resolution
: Infinite
Dielectric strength
: 1000 V AC @ 1 minute (circuit to housing)
EXTERNAL DIMENSIONS unit: mm [inch]
MOUNTING REQUIREMENTS unit: mm [inch]
SCHEMATIC CIRCUITRY & CONNECTION DIAGRAM