Applied Motion Products STRAC8 Stepper Drive User Guide

June 3, 2024
Applied Motion Products

Applied Motion Products STRAC8 Stepper Drive User Guide

Requirements

To begin, make sure you have the following equipment

  • A compatible stepper motor. Visit applied-motion.com to purchase one.
  • A small flat blade screwdriver for tightening the connectors (included).
  • An AC supply voltage, 90VAC – 240VAC volts single-phase.
  • A source of pulse & direction signals

Step 1 -Wiring AC Power Supply

DO NOT apply power until all connections to the drive have been made.
Wire the drive to the AC power source.
Use the connector supplied with the drive and one of the ground terminals on the drive to connect the AC supply
Use 16 AWG wire for Line (L) and Neutral (N). Use 14 AWG for Earth Ground (G).
Care should be taken when working with high voltages

Step 2 – Wiring the Motor

Connect the drive to the motor. If using a non Applied Motion Products’ motor, consult the motor specs for wiring information.

Step 3 – Select the Motor

Each position of the 16-bit rotary switch selects a different motor, automatically setting the configuration parameters in the drive. The STRAC8 drive comes programmed with up to
16 typical motors as factory defaults. Drives can be customized with specially selected motors when required. Available options are in the hardware manual.
Note: Motor current is limited by the lower value between rotary switch setting and dip switches SW5 – SW8

If the motor selection is changed, the drive power supply will need to be cycled.
For a custom motor, please select custom motor via the rotary switch, then use the DIP switches to configure running current , anti-resonance and other settings.

SW position MOTOR WIRING Motor Current Input Voltage
0 Reserved   0 A
1 Reserved   0 A
2 HT23-552 Parallel 1.5 A 120VAC
3 HT23-553 Parallel 1.5 A 120VAC
4 HT23-554 Parallel 1.8 A 120VAC
5 HT34-495/695 Parallel 5.1 A 120VAC
6 HT34-496/696 Parallel 5.1 A 120VAC
7 HT34-497/697 Parallel 5.8 A 120VAC
8 HT23-552 Series 0.75 A 240VAC
9 HT23-553 Series 0.75 A 240VAC
A HT23-554 Series 0.9 A 240VAC
B HT34-495/695 Series 2.5 A 240VAC
C HT34-496/696 Series 2.5 A 240VAC
D HT34-497/697 Series 2.5 A 240VAC
E Custom Motor Reserved 8 A 120VAC/240VAC
F Custom Motor Reserved 8 A 120VAC/240VAC

_Step 4 – Config the Drive

_

Selection Switches
Many operational parameters of the STRAC8 can be set or changed by DIP switches – either by a single switch or a combination of
ON/OFF settings of 2 or more switches

1. Microstepping – 4 switches for a total of 16 settings:

Microsteps(step/rev) SW1 SW2 SW3 SW4
200 ON ON ON ON
400 OFF ON ON ON
800 ON OFF ON ON
1600 OFF OFF ON ON
3200 ON ON OFF ON
6400 OFF ON OFF ON
12800 ON OFF OFF ON
25600 OFF OFF OFF ON
1000 ON ON ON OFF
2000 OFF ON ON OFF
4000 ON OFF ON OFF
5000 OFF OFF ON OFF
8000 ON ON OFF OFF
10000 OFF ON OFF OFF
20000 ON OFF OFF OFF
25000 OFF OFF OFF OFF

2.Idle Current – 2 switches for a total of 4 settings

Idle SW9 SW10
25% ON ON
50% OFF ON
70% ON OFF
90% OFF OFF

3.Step Input Mode (SW13) – OFF for Step and Direction input, ON for CW/CCW input
4. Step Smoothing Filter (SW15) – ON to enable, OFF to disable
5. Running current – 4 switches for a total of 16 settings:
Note: Motor current is limited by the lower value between rotary switch setting (step 3) and dip switches SW5 – SW8.

Current(Peak) SW5 SW6 SW7 SW8
0.4A ON ON ON ON
0.6A OFF ON ON ON
0.9A ON OFF ON ON
1.2A OFF OFF ON ON
1.5A ON ON OFF ON
2.0A OFF ON OFF ON
2.5A ON OFF OFF ON
3.0A OFF OFF OFF ON
3.5A ON ON ON OFF
4.0A OFF ON ON OFF
4.5A ON OFF ON OFF
5.2A OFF OFF ON OFF
5.9A ON ON OFF OFF
6.6A OFF ON OFF OFF
7.3A ON OFF OFF OFF
8.0A OFF OFF OFF OFF

6. Anti-Resonance(SW11 & 12)

Option SW11 SW12 Interia
0 ON ON Low



High

1| OFF| ON
2| ON| OFF
3| OFF| OFF

7. Step input Signal Filter (SW14) – ON for 150 kHz, OFF for 2 kHz
8. Self test (SW16) – ON for 2 rev CW/CCW .5 rps self tes, OFF for none

Step 5 – Self Test

The STRAC8 has a built in Self Test function. If switch 16 is moved to the ON position the drive will automatically rotate the motor
back and forth, two turns in each direction. This feature can be used to confirm that the motor is correctly wired, selected and otherwise operational.
A full user manual for the STRAC8 is available for download from our web site. This contains full details on setup, wiring and installation.

If you have any questions or comments, please call
Applied Motion Products Customer Support: 800-525-1609, or visit us online: applied-motion.com.

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References

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