Oriental Motor

ORIENTAL MOTOR U.S.A. Corp.
570 Alaska Avenue
Torrance, CA 90503
1-800-GO-VEXTA (468-3982)

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Unit of Measure

Specifications

Product Line

- VEXTA®

Motor Type

- 2-Phase Full/Half-step

Speed-Torque Characteristics

-
Graph

Holding Torque

- 191 oz-in

Frame Size

- 2.22 in

Power Supply

- Single-Phase 100-115 VAC

Type

- High-Resolution

Step Angle

- 0.9 °

Shaft/Gear Type

- Round Shaft (No Gearhead)

Shaft

- Single

Rotor Inertia

- 2.6 oz-in²

RoHS Compliant

- Yes

Components

- UDK2120A (Driver) PK268MA (Motor)

Insulation Class

- [Motor] Class B [266ºF (130ºC)]

Insulation Resistance (Motor)

- 100 MΩ under normal temperature and humidity, when measured by a 500 VDC megger between the motor coils and casing.

Insulation Resistance (Driver)

- 100 M Ω minimum under normal temperature and humidity, when measured by a 500 VDC megger between: Case-Power input terminal, Case-Signal input/output terminal, Power input terminal-Signal input/output terminal

Dielectric Strength (Motor)

- Sufficient to withstand 0.5 kV, 60 Hz applied between the motor coils and casing for 1 minute, under normal temperature and humidity.

Dielectric Strength (Driver)

- Sufficient to withstand the following for 1 minute under normal temperature and humidity: Case-Power input terminal 1.0 k VAC 60 Hz, Case-Signal input/output terminal 1.0 k VAC 60 Hz, Power input terminal-Signal input/output terminal 1.0 k VAC 60 Hz

Ambient Temperature Range

- [Driver] 32ºF ~ 104ºF (0ºC ~ 40ºC) (nonfreezing) [Motor] 14ºF ~ 122ºF (-10º ~ 50ºC) (nonfreezing)

Ambient Humidity

- 85% or less (noncondensing)

Operating Atmosphere

- No corrosive gases, dust, water or oil.

Temperature Rise

- Temperature rise of the coil measured by the Change Resistance Method is 144ºF (80ºC) or less (at standstill, two phases energized).

Shaft Runout

- 0.002 in (0.05 mm) T.I.R. at top of output shaft

Concentricity

- 0.003 in. (0.075 mm) T.I.R.

Perpendicularity

- 0.003 in. (0.075 mm) T.I.R.

Stop Position Accuracy

- ±5 arc minutes (±0.084º)

Radial Play

- 0.001 inch (0.025 mm) max. of 1.12 lb. (5 N)

Axial Play

- 0.003 in (0.075 mm) max. of 2.2 lb. (10 N)