Stepper Motor Drive
64
(2.50)
95 (3.75)
3 (0.125)
76 (3.00)
6 (0.25)
102 (4.00)
4 (0.15)
94 (3.70)
38
(1.50)
22 (0.875)
2x 3.175
(0.125)
4x 3.175
(0.125)
6 (0.25)
pulSe anD Direction, Full anD
HalF Step 2.0 a, 35 vDc
2035
l Wide Range of Motor Sizes
l 70 W of Usable Power
l Pulse Width Modulation
Switching Amplifiers
l DC Bus Voltage 12 to 35 Vdc
Motor Supply (Including Ripple)
l Phase Current from
0.125 to 2.0 A (Switch
Selected, 16 Settings)
l Step, Direction and Enable
Inputs, Optically Isolated,
5 to 24V
l Inputs Can be Sourcing (PNP)
or Sinking (NPN) Type
l Full and Half Step
(Switch Selected)
l Automatic 50% Idle Current
Reduction (Switch Selected)
l Compact Size:
38.1 x 76.2 x 101.6 mm
(1.5 x 3.0 x 4.0")
l CE Compliant
Dimensions: mm (inch)
2035 close to actual size.
The 2035 step motor driver is a full or
half step phase sequencer with three state
switching amplifiers and optoisolated
circuits. The drive also includes an automatic
feature to lower motor current by 50%
anytime the motor is left at rest for more
than one second. This feature can be
disabled. The amplifier regulates motor
current by chopping at a constant, inaudible
frequency. Phase current is selected from
16 levels by a DIP switch. Full or half step
resolution is switch selectable.
SPECIFICATIONS
Amplifiers: Dual, bipolar H-bridge,
pulse width modulated switching at
20 KHz; 12 to 35 Vdc input; 0.125 to
2.0 A/phase output current, switch
selectable in 0.125 A increments; 70 W
maximum output power; automatic idle
current reduction, reduces current to
50% of setting after one second
Inputs: Step, direction and enable,
optically isolated, 5 to 24V logic;
2200Ω input impedance; motor steps
when STEP input turns off; 10 µsec
minimum low pulse; 50 µsec minimum
set up time for direction signal
Physical: Mounted on
anodized aluminum heat transfer chassis;
38.1 x 76.2 x 101.6 mm (1.5 x 3.0 x 4.0")
overall; power on red LED
1
⁄4 inch thick black
D-14
Maximum Chassis Temperature:
70°C (158°F)
Weight: 250 g (9 oz)
Ambient Temp Range (Operating):
0 to 70°C (32 to 158°F)
Connectors: European style screw
terminal blocks
Power Supply: 2 position
Motor: 4 position
Signal Input: 4 position
Max Wire Size: 16 AWG
Optical
Isolator
Step
Direction
Com
Enable
Step
Sequencer
Current setting
50% idle
Full step/
half step
54
3
2
Step
12 to 35 Vdc
Dir
A+
A–
B+
B–
To
motor
Optical
Isolator
1
Amplifier
Optical
Isolator
8
01
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OPTIONAL ACCESSORIES
Power Supply (Required
for Drive Operation):
Recommended
OMPS150A24,
24 Vdc, 6.3 A
OMPS150A24
shown smaller
than actual
size.
Order
OMPS150A24
separately, visit
omega.com/
ps_series
Order motors
separately,
To Order Visit omegamation.com/2035 for Pricing and Details
MODEL NO. DESCRIPTION
2035 Stepper motor drive
Ordering Example: 2035, stepper motor drive.
RECOMMENDED MOTORS FOR 2035
MODEL NO. g-cm (oz-in) VOLTAGE (V) CURRENT (A) OHMS MH g-cm2 (oz-in2)
NEMA 11 STEP MOTOR SPECIFICATIONS (RATINGS ARE WITH MOTOR CONNECTED IN PARALLEL)
OMHT11-013 1080 (15) 2.0 1.0 2.0 2.6 18 (0.098)
NEMA 14 STEP MOTOR SPECIFICATIONS (RATINGS ARE WITH MOTOR CONNECTED IN PARALLEL)
OM5014-842 1872 (26) 4.8 1.0 4.3 5.5 208 (0.109)
NEMA 17 STEP MOTOR SPECIFICATIONS (RATINGS ARE WITH MOTOR CONNECTED IN PARALLEL)
OMHT17-075 4522 (62.8) 2.8 1.7 1.7 3.0 68 (0.37)
NEMA 23 STEP MOTOR SPECIFICATIONS (RATINGS ARE WITH MOTOR CONNECTED IN PARALLEL)
OMHT23-397 12746 (177) 2.5 2.83 0.9 2.5 300 (1.64)
OMHT23-400 19011 (264) 3.2 2.83 1.1 3.6 480 (2.62)
Ordering Example: OMHT23-400, high torque step motor with 264 oz-in holding torque.
Visit omega.com for more stepper motor information.
HOLDING TORQUE RATED RATED RESISTANCE INDUCTANCE ROTOR INERTIA
ACCESSORY
MODEL NO. DESCRIPTION
OMPS150A24 Stepper drive power supply, 24 Vdc, 6.3 A
see below
for details
D-16
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