
4
2. Actuator and Motor Models
All Bimba step motors use the same
8-wire wiring color code convention, as
shown below. .
Table 4
Incremental Encoder Specications
Power Input 5 V DC, 160 mA
Resolution 2000 pulses per rev.
Output High 2.5 V DC Min.
Output Low 0.5 V DC Max.
Operating Frequency 500 kHz Max.
Operating Temperature -30 to 115°C
Enclosure Rating IP40
If you have ordered your actuator with a motor/encoder combination, the
encoder specications are listed in Table 4.
Table 3
Frame
Winding
Connection
Min. Holding
Torque (oz-in)
Volts Amps Ohms mH
Rotor Inertia
(oz-in
2
/g-cm
2
)
17
Parallel 62.3 2.9 1.7 1.7 2.5 0.44/82
Series 62.3 5.6 0.85 6.6 10.0 0.44/82
Unipolar 43.9 4.0 1.2 3.3 2.5 0.44/82
23
Parallel 177 2.1 4.2 0.37 1.2 1.64/300
Series 177 4.2 2.1 1.5 4.8 1.64/300
Unipolar 125 3.0 3.0 0.75 1.2 1.64/300
23
Parallel 269.1 2.1 4.2 0.5 1.7 2.51/460
Series 269.1 4.2 2.1 2.0 6.8 2.51/460
Unipolar 191.2 3.0 3.0 1.0 1.7 2.51/460
34
Parallel 1260 2.72 5.6 0.48 5.4 15.0/2750
Series 1260 5.43 2.8 1.94 21.6 15.0/2750
Unipolar 906 3.88 4.0 0.97 5.4 15.0/2750
Specications for Bimba 8-lead 1.8 degree step motors are provided in
Table 3.
Figure 1
$
$²
%
%²
Orange
Org/Wht
Blk/Wht
Black
Red
Red/
Wht
Yel/
Wht
Yellow
Orange
Org/
Wht
Blk/Wht
Black
Red
Red/Wht
Yel/
Wht
3DUDOOHO
Yellow
!
Warning: Be sure power is off before connecting or discon-
necting the motor.
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