4 Product Description
12
Rev. 06/2022
4.4
Digression: Control of the Stepper Motor
In the standard application, the stepper motor of the throttle is driven by the VariStep stepper
motor driver. For example, if you want to implement a direct activation from a master control,
you receive the technical details for activation of the stepper motor in the following section.
Technical Data of Stepper Motors
Feature
50, 100, 140 series
150, 200 series
Design
2-phase, bipolar
2-phase, bipolar
Maximum phase
current
2.8 A
6.3 A
Recommended
current
2 A (full step operation mode)
2.8 A (microstep operation mode)
2.8 A (full step operation mode)
4 A (microstep operation mode)
Step width
0.9°
1.8°
Recommended
control
1/16 microstep operation mode
1/16 microstep operation mode
Technical Data of the Encoder
Feature
Values for all series
Operating voltage
5 V
Type Incremental,
quadrature signal
Signal form
A, B, index; TTL-compatible
Resolution 4,096
CPR
Index position
Throttle is completely closed
You can find the assignment of the connectors on the stepper motor and encoder in the section
Connector Stepper Motor/Encoder
on page 23.
4.5
Overview Drawings
Take military style connector into account
During planning of the installation, consider the dimensions of the military
style connector on the harness (about 75 mm (2.95") on the 90° connector).
Summary of Contents for ITB 100 Series
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