SH-32206 three-phase hybrid stepper motor driver 6A Current for 30N'M motor AC80

Product Description

Technical characteristics:

80 ~ 220V AC power supply, adapt to the worst grid environment,
bipolar constant phase current subdivision drive,
16 subdivision operation modes, optional
input signal, photoelectric isolation
, overvoltage, overcurrent protection,
offline holding function,
single / double pulse mode Optional
automatic half-current
maximum output drive current 6A / phase

Electrical characteristics (at ambient temperature Tj = 25 ° C)

Use environment and parameters

[Hints] Due to the drastic changes in the temperature of the storage and transportation environment, condensation or frost is prone to occur. At this time, the driver should be left for more than 12 hours, and the drive can be operated after the temperature of the driver is consistent with the ambient temperature.

The

design of the switching power supply inside the power supply voltage driver ensures that it can adapt to a wide voltage range. 80 ~ 220VAC is recommended. Increasing the voltage will increase the operating noise but is beneficial to high-speed torque. The electromagnetic induction of the motor will cause a certain charge to be induced in the motor casing. In order to ensure the safety of the user, be sure to use a wire with a diameter of 2mm 2 or more to connect the protective shell of the motor and the ground terminal of the driver to the protective earth. The drive should be powered by an isolation transformer.

Output current selection

This driver uses a bipolar constant current method. The maximum output current value is 6A / phase (effective value). 4 different current values can be conveniently selected through different combinations of the 7th and 8th position switches on the driver panel, from 2A to 6A. (See the current selection table for details), (Note: The current mentioned here refers to the peak value of the sine wave current output by each phase of the driver, and the correct reading cannot be obtained by using a string current meter.) Users who require special current should contact the manufacturer. Make adjustments by the manufacturer.

Subdivision selection The

user can select a total of 16 subdivision modes through the 1, 2, 3, and 4 four-position DIP switches on the driver panel, which can be identified by the number of steps per revolution of the motor. Two-phase standard half-step 400 steps / revolution) can also provide similar five-phase step distance (such as five-phase standard half-step 1000 steps / revolution), and the user can determine the subdivision as required (see the subdivision mode selection table for details).

Single / double pulse selection Select the

single-pulse mode (the sixth bit is 'ON') or the double-pulse mode (the sixth bit is 'OFF') by selecting the 6-digit dial switch on the driver panel. In single pulse, the step pulse is connected by the pulse port, and the direction of the motor is determined by the level of the direction port. In the double pulse mode, the driver receives the forward pulse from the pulse port and the reverse pulse from the direction port. Both pulse and double pulse use optical coupling as effective signals. Note: The single / double pulse selection must be set before power-on. Modifications during the power-on operation must be powered off and then powered on to be effective.

The automatic half current

can be selected through the 5th position of the driver panel DIP switch to enable or disable the automatic half current function. When the switch is set to 'ON', the half current is effective. When this function is selected to open the driver, if no new pulse is received for 1 second, the driver automatically enters the half-current state, and the phase current is reduced to 50% of the standard value, which reduces the power consumption. When a new pulse is received The drive automatically exits the half-current state. Note: The automatic half-current must be set before power-on. Modifications during the power-on operation must be powered off and then powered on to be effective.

Offline function

The driver is provided with an offline signal input port. The user can output an offline level signal to the driver at any time according to the needs of the driver. At this time, the driver can be disconnected. τ 谧 Miscellaneous ㄍ ㄍ 过?

Overvoltage protection

When the input voltage exceeds260VAC, or when the feedback braking causes the bus voltage to exceed 320VDC, the driver's overvoltage protection circuit operates, the driver's alarm lamp lights, and the driver suspends driving the motor The alarm can be automatically cancelled after the voltage returns to the normal value. Note that the alarm light will also turn on when the drive is initially powered on. This is caused by the internal power-on processing of the drive. It will disappear automatically in about 1 second, which is normal.

Input signal The

driver's signal input uses pluggable terminals, which can be removed, plugged in after wiring. The input signal of the driver adopts a double-ended interface, which can meet a variety of interface forms such as common negative, common positive, and differential.

Pulse signal input:The driver port has a built-in optocoupler, and its change from off to on is understood to accept a valid pulse edge command. For Gongyang, the low level is valid (Gongyin is high level). At this time, the driver will drive the motor to run one step according to the corresponding timing. For the correct operation of the driver, the duty cycle of the effective level signal should be below 50%. In order to ensure the reliable response of the pulse signal, the duration of the effective level of the pulse should not be less than 5 μs. The maximum response frequency of this driver's signal is 80KHz (affected by the load capacity of the controller port). Excessive input frequency may not be able to respond correctly.

Direction signal input: The ON / OFF of the internal photocoupler at this end in single pulse mode is interpreted as two directions of motor operation. The change of the signal will change the direction of motor operation. The floating of this end is equivalent to the input high level. . It is important to note that the directional signal should be established at least 10 μs ahead of the pulse signal input to avoid the driver's false response to the pulse. When no commutation is required, the direction signal terminal can be left floating. In double-pulse mode, this port receives reverse pulses. The interface logic must be consistent with the pulse input port.

Offline signal input: When the built-in photocoupler is turned on, the motor phase current will be cut off, and the rotor is in a free state (offline state). When this function is not needed, the offline signal terminal can be left floating.

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