Applied Motion STR4 User Manual

Str4/8 quick setup guide, Wiring the drive, Requirements

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STR4/8 Quick Setup Guide

Requirements

To begin, make sure you have the following equipment:

▪ A compatible stepper motor.
▪ A small flat blade screwdriver for tightening the connectors (included).
▪ A suitable DC power supply. AMP recommends the PS150A24 or PS320A48 available from Applied Motion.

Step 1 - wiring the DC supply

Step 2 - wiring the motor

920-0031 A

Connect the drive to the motor. Four lead motors can be connected in only one way, as shown in Figure 1.

We recommend that eight lead motors be connected in parallel, as shown in Figure 2.

If using a non-Applied Motion Products motor, please refer to your motor specs for wiring information.

redblue

yellow

white

A+ A- B+ B-

orange+blk/wht

blac

k+org/wht

red+y

el/wht

yello

w+red/wht

A+ A- B+ B-

Figure 1

Figure 2

Wiring the Drive

a. Wire the drive to the DC power source.

(do not apply power until all connections to the drive have been made)

Note, the STR4 accepts DC voltages from 24-48V, while the STR8 accepts

DC voltages from 24-75V.

b. Ensure a proper earth ground connection by using the screw on the

left side of the chassis.

If using an external fuse, we recommend the following in-line with the V+ connection :

STR4: 3AG, 4 amp (Littlefuse 313004P)

STR8: 3AG, 6.25 amp (Littlefuse 3136.25P)

*See the

STR Hardware Manual

for more information about

power supply and fuse selection.

Motor & Power Supply

Connector

Run Current, Idle Current

Steps/rev, Inertia, Self Test

Input & Output

Signals

Motor Selector

Status LEDs

Layout of the front panel of the STR drive.

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