Instrument Module Stepper

Instrument Module Stepper
Connect stepper motor instruments to your flight sim.

  • Designed to drive larger stepper motors than the Mini Stepper module
  • Plug and play USB connectivity to the ACES Cockpit Software Suite
  • Connect up to four stepper motor instruments to a single Stepper Module
  • Connect multiple modules to make a complete system

Specifications

Supply Voltage:+12vdc to +15vdc
Supply Current:(1)2 amps
Power Supply Connector:2.1 mm barrel, positive center
PC Connector:USB Micro-B
Motor Type:Bipolar stepper
Number of Motors:4
Motor Connector:4-pin header, 0.1" pitch
Motor Rated Voltage:Up to +8vdc
Motor Rated Current:At least 0.5 amp / phase
Motor Resolution:(2)Up to 64,000 steps / revolution
Stepper Home Signal:Switch closure
Home Connector:2-pin header, 0.1" pitch
Instrument Module Power
Module USB Connector

Notes:

  1. If multiple modules will be connected to the same power supply, the power supply must have enough current capacity for all connected modules.
  2. Maximum resolution, including any integrated gear boxes.  (i.e. 200 step motor with a 40:1 gear box)

Stepper Connection
Stepper Motor Connection

Each stepper motor connection consists of 4 pins.  Two pins for each phase (or coil) in the stepper motor.  The first two pins are for phase A.  The next two pins are for phase B.

Stepper Motor Connection Diagram

Stepper Home Signal

The home signal tells the module when the instrument pointer is at a known reference position.  The module uses this reference position as a basis for all instrument pointer movements.  The home position is signaled by a switch closure across the two home pins.

Caution
Never connect or disconnect a motor with power applied to the module.  This may damage the module and/or the motor.
Caution
Do not connect a motor rated for less than the minimum current requirement.  This may damage the motor.
Caution
Do not connect a motor rated for higher than the maximum voltage requirement.  The motor may not move consistently or reliably.
Caution
Ensure the power supply has enough current capacity for all the modules it powers.