TPC Mechatronics UNIM SV Series 2-Phase Closed-Loop Step Motor with Encoder

The UNIM SV series is a 2-phase bipolar closed-loop step motor with an integrated encoder, designed for use with the UNI DRIVER series.

Key features

It is offered in 28, 42, 56, 60 and 86 mm square frame sizes in several lengths
The 28 to 60 mm sizes carry a 10,000 pulse encoder and the 86 mm sizes a 4,000 pulse encoder
All models have a 1.8 degree step angle, with holding torque from 0.105 to 8 N.m

Specifications

Control	Closed loop
Phases	2, bipolar
Step angle	1.8 deg

UNIM-SV-28M-A-S		Frame size: 28 mm square (28M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.3 A \| Resistance: 1.7 ohm \| Inductance: 1.2 mH \| Holding torque: 0.105 N.m \| Rotor inertia: 8 g.cm2 \| Mass: 176 g \| Length: 40 mm \| Encoder length: 16 mm
UNIM-SV-28L-A-S		Frame size: 28 mm square (28L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.3 A \| Resistance: 3.5 ohm \| Inductance: 3.2 mH \| Holding torque: 0.162 N.m \| Rotor inertia: 17 g.cm2 \| Mass: 195 g \| Length: 51.5 mm \| Encoder length: 16 mm
UNIM-SV-42M-A-S		Frame size: 42 mm square (42M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.2 A \| Resistance: 1.7 ohm \| Inductance: 3.4 mH \| Holding torque: 0.267 N.m \| Rotor inertia: 56 g.cm2 \| Mass: 310 g \| Length: 45 mm \| Encoder length: 18 mm
UNIM-SV-42L-A-S		Frame size: 42 mm square (42L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.2 A \| Resistance: 3.5 ohm \| Inductance: 7.4 mH \| Holding torque: 0.48 N.m \| Rotor inertia: 72 g.cm2 \| Mass: 430 g \| Length: 52 mm \| Encoder length: 18 mm
UNIM-SV-42XL-A-S		Frame size: 42 mm square (42XL) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2 A \| Resistance: 2 ohm \| Inductance: 4.2 mH \| Holding torque: 0.72 N.m \| Rotor inertia: 89 g.cm2 \| Mass: 470 g \| Length: 58 mm \| Encoder length: 18 mm
UNIM-SV-56M-A-S		Frame size: 56 mm square (56M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2.8 A \| Resistance: 0.85 ohm \| Inductance: 3 mH \| Holding torque: 1.23 N.m \| Rotor inertia: 245 g.cm2 \| Mass: 700 g \| Length: 54.6 mm \| Encoder length: 18.5 mm
UNIM-SV-56L-A-S		Frame size: 56 mm square (56L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2.8 A \| Resistance: 1.25 ohm \| Inductance: 4.9 mH \| Holding torque: 2.2 N.m \| Rotor inertia: 470 g.cm2 \| Mass: 1130 g \| Length: 77.5 mm \| Encoder length: 18.5 mm
UNIM-SV-60M-A-S		Frame size: 60 mm square (60M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 3 A \| Resistance: 0.47 ohm \| Inductance: 1.8 mH \| Holding torque: 1.14 N.m \| Rotor inertia: 245 g.cm2 \| Mass: 840 g \| Length: 55.8 mm \| Encoder length: 18.5 mm
UNIM-SV-60L-A-S		Frame size: 60 mm square (60L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 4.2 A \| Resistance: 0.8 ohm \| Inductance: 3.7 mH \| Holding torque: 2.92 N.m \| Rotor inertia: 920 g.cm2 \| Mass: 1400 g \| Length: 87.8 mm \| Encoder length: 18.5 mm
UNIM-SV-86M-F-S		Frame size: 86 mm square (86M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 4,000 PPR \| Step angle: 1.8 deg \| Current: 5 A \| Resistance: 0.32 ohm \| Inductance: 2.5 mH \| Holding torque: 3.33 N.m \| Rotor inertia: 2750 g.cm2 \| Mass: 2100 g \| Length: 76.1 mm \| Encoder length: 21 mm
UNIM-SV-86L-F-S		Frame size: 86 mm square (86L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 4,000 PPR \| Step angle: 1.8 deg \| Current: 6 A \| Resistance: 0.46 ohm \| Inductance: 4.4 mH \| Holding torque: 8 N.m \| Rotor inertia: 4150 g.cm2 \| Mass: 3500 g \| Length: 115.35 mm \| Encoder length: 20.25 mm

Stepper MotorsTPC Mechatronics

11 product codes available in this family

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TPC Mechatronics UNIM SV Series 2-Phase Closed-Loop Step Motor with Encoder

Brand TPC Mechatronics·Stepper Motors

Available part numbers (11)

UNIM-SV-28M-A-S, UNIM-SV-28L-A-S, UNIM-SV-42M-A-S, UNIM-SV-42L-A-S, UNIM-SV-42XL-A-S, UNIM-SV-56M-A-S, UNIM-SV-56L-A-S, UNIM-SV-60M-A-S, UNIM-SV-60L-A-S, UNIM-SV-86M-F-S + 1 more — see full table ↓

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Product codes & specifications

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	Product code	Spec
	UNIM-SV-28M-A-S	Frame size: 28 mm square (28M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.3 A \| Resistance: 1.7 ohm \| Inductance: 1.2 mH \| Holding torque: 0.105 N.m \| Rotor inertia: 8 g.cm2 \| Mass: 176 g \| Length: 40 mm \| Encoder length: 16 mm
	UNIM-SV-28L-A-S	Frame size: 28 mm square (28L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.3 A \| Resistance: 3.5 ohm \| Inductance: 3.2 mH \| Holding torque: 0.162 N.m \| Rotor inertia: 17 g.cm2 \| Mass: 195 g \| Length: 51.5 mm \| Encoder length: 16 mm
	UNIM-SV-42M-A-S	Frame size: 42 mm square (42M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.2 A \| Resistance: 1.7 ohm \| Inductance: 3.4 mH \| Holding torque: 0.267 N.m \| Rotor inertia: 56 g.cm2 \| Mass: 310 g \| Length: 45 mm \| Encoder length: 18 mm
	UNIM-SV-42L-A-S	Frame size: 42 mm square (42L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 1.2 A \| Resistance: 3.5 ohm \| Inductance: 7.4 mH \| Holding torque: 0.48 N.m \| Rotor inertia: 72 g.cm2 \| Mass: 430 g \| Length: 52 mm \| Encoder length: 18 mm
	UNIM-SV-42XL-A-S	Frame size: 42 mm square (42XL) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2 A \| Resistance: 2 ohm \| Inductance: 4.2 mH \| Holding torque: 0.72 N.m \| Rotor inertia: 89 g.cm2 \| Mass: 470 g \| Length: 58 mm \| Encoder length: 18 mm
	UNIM-SV-56M-A-S	Frame size: 56 mm square (56M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2.8 A \| Resistance: 0.85 ohm \| Inductance: 3 mH \| Holding torque: 1.23 N.m \| Rotor inertia: 245 g.cm2 \| Mass: 700 g \| Length: 54.6 mm \| Encoder length: 18.5 mm
	UNIM-SV-56L-A-S	Frame size: 56 mm square (56L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 2.8 A \| Resistance: 1.25 ohm \| Inductance: 4.9 mH \| Holding torque: 2.2 N.m \| Rotor inertia: 470 g.cm2 \| Mass: 1130 g \| Length: 77.5 mm \| Encoder length: 18.5 mm
	UNIM-SV-60M-A-S	Frame size: 60 mm square (60M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 3 A \| Resistance: 0.47 ohm \| Inductance: 1.8 mH \| Holding torque: 1.14 N.m \| Rotor inertia: 245 g.cm2 \| Mass: 840 g \| Length: 55.8 mm \| Encoder length: 18.5 mm
	UNIM-SV-60L-A-S	Frame size: 60 mm square (60L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 10,000 PPR \| Step angle: 1.8 deg \| Current: 4.2 A \| Resistance: 0.8 ohm \| Inductance: 3.7 mH \| Holding torque: 2.92 N.m \| Rotor inertia: 920 g.cm2 \| Mass: 1400 g \| Length: 87.8 mm \| Encoder length: 18.5 mm
	UNIM-SV-86M-F-S	Frame size: 86 mm square (86M) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 4,000 PPR \| Step angle: 1.8 deg \| Current: 5 A \| Resistance: 0.32 ohm \| Inductance: 2.5 mH \| Holding torque: 3.33 N.m \| Rotor inertia: 2750 g.cm2 \| Mass: 2100 g \| Length: 76.1 mm \| Encoder length: 21 mm
	UNIM-SV-86L-F-S	Frame size: 86 mm square (86L) \| Control: Closed loop \| Phases: 2, bipolar \| Encoder: 4,000 PPR \| Step angle: 1.8 deg \| Current: 6 A \| Resistance: 0.46 ohm \| Inductance: 4.4 mH \| Holding torque: 8 N.m \| Rotor inertia: 4150 g.cm2 \| Mass: 3500 g \| Length: 115.35 mm \| Encoder length: 20.25 mm

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TPC Mechatronics UNIM SV Series 2-Phase Closed-Loop Step Motor with Encoder