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Size 25 Single-turn Resolver 


The Size 25 (2.5" diameter)
Resolver is an ideal solution for applications that require a higher radial load and higher speed (RPM). These applications are common to the Canning, Bottling, Capping, Labeling, and Printing industries.



Part Numbers

Sample Part Number: E7R-RL101-000FS

Size 25 NEMA 13/NEMA 4
Size 25 = 2.5” inch diameter
Ex1R-RL101- x2 x3 x4
Brushless resolver, single-turn, NEMA 13 or 4x, 3/8” shaft dia., MS connector for wiring
x1 = Mechanical Characteristics
  1: Engineered plastic housing, corrosion resistant, light duty NEMA 13. Light duty bearing, 6 lbs. radial load (must use external flexible coupling)

 

7: Metal housing, medium duty bearing, 36 lbs. radial load, NEMA 13. For NEMA 4, substitute “000” on E7R-RL101-00xx by “NE4”

 

9: Engineered plastic housing, corrosion resistant, medium duty bearing, 36 lbs. radial load, NEMA 4x (approved for food industry)
x2 = NEMA Rating 000: E1R and E7R versions = NEMA 13; E9R version = NEMA 4X
(approved for food industry use)
  NE4: E7R version only = NEMA 4
x3 = Mounting
  F: Flange Mount
  S: Servo Mount
x3= Connector Position
  E: Back-end
  S: Side
Substitute 1 in ExR-RL101-x2x3x4 with 2 for higher accuracy resolver

Specifications

Electrical

Frequency: 2250 Hz
Input voltage: 1.88 V
Input current: 6 mA
Input power: 6.5 mW watts
Rotor impedence with stator
Open circuit ZL0: 180+ j256 ohms
DC resistance (Rotor): 18.3 ohms
Output voltage (Stator): 2.63 V +/- 5%
Transformation ratio: 1.400

Mechanical

Resolver E6R-RL101
E7R-RL101

Housing Size Size 25
(2.5² dia.)
Max. Stating Torque @ 25 deg. C (oz-in) 5
Moment of Inertia
(gm/cm2)
45
Max. Slew Speed (RPM): 5000
Shaft Size 3/8"
Max. Shaft Loading:
Axial (lbs):
Radial (lbs):

40
6(E6R), 36 (E7R)
Bearing life at Max.
Mfr. Spec. (Rev.)
2x109
Approx. Weight (lbs): 1

Environmental

Shock 200g for 11 mSec.
Vibration 20g to 2000Hz
Operating Temperature -67 to 248° F
Storage Temperature -85 to 302° F
Enclosure NEMA 13



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