Contents

5

Figure 3: Connection to PNP signal (common-cathode)

5. Connecting the Motor

The 2LD545 can drive any 2-pahse and 4-pahse hybrid stepping motors.

Connections to 4-lead Motors

4 lead motors are the least flexible but easiest to wire. Speed and torque will depend on winding

inductance. In setting the driver output current, multiply the specified phase current by 1.4 to

determine the peak output current.

Figure 4: 4-lead Motor Connections

Connections to 6-lead Motors

Like 8 lead stepping motors, 6 lead motors have two configurations available for high speed or high

torque operation. The higher speed configuration, or half coil, is so described because it uses one half

of the motor’s inductor windings. The higher torque configuration, or full coil, uses the full windings

of the phases.

Driver

Controller

PULS

DC24～50V

M

屏蔽线接地

PUL+

PUL-

DIR+

DIR-

ENB+

ENB-

GND

VDC

A+

A-

B+

B-

●

驱动器与上位控制器的连接

电缆最好选择带屏蔽，屏蔽

层连接标准大地或上位控

制器接地端。

●

根据驱动器输出电流设置选

择电源线和电机动力线的

直径，一般不要小于

1mm²

线经。

DIR

ENBL

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6

Half Coil Configurations

As previously stated, the half coil configuration uses 50% of the motor phase windings. This gives

lower inductance, hence, lower torque output. Like the parallel connection of 8 lead motor, the torque

output will be more stable at higher speeds. This configuration is also referred to as half chopper. In

setting the driver output current multiply the specified per phase (or unipolar) current rating by 1.4 to

determine the peak output current.

Figure 5: 6-lead motor half coil (higher speed) connections

Full Coil Configurations

The full coil configuration on a six lead motor should be used in applications where higher torque at

lower speeds is desired. This configuration is also referred to as full copper. In full coil mode, the

motors should be run at only 70% of their rated current to prevent over heating.

Figure 6: 6-lead motor full coil (higher torque) connections

Connections to 8-lead Motors

8 lead motors offer a high degree of flexibility to the system designer in that they may be connected

in series or parallel, thus satisfying a wide range of applications.

Series Connections

A series motor configuration would typically be used in applications where a higher torque at lower

speeds is required. Because this configuration has the most inductance, the performance will start to

degrade at higher speeds. In series mode, the motors should also be run at only 70% of their rated

current to prevent over heating.