NPM AD1231, Руководство пользователя

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Stepper Motor Driver AD1231
YA7159-1/3
- 13 -
5-4. SW3 setting
When auto current down setting is selected, SW1 can set the driving current in the current down setting.
SW3 setting
：
SW3-1 SW3-2 SW3-3
Driving
current
Setting
ON - - 75%
- ON - 50%
- - ON 25%
When you change SW3, all SW1-1 to 3 turn OFF temporarily and 100% of the driving current flows. Please
note that the motor may produce heat if this condition continues for a long time.
Motor driving current when you change the setting of SW3 with auto current down
5-5. LED display
The LEDs
（
D3 and D4
）
lights under the following conditions.
D3 : It lights green using +5V power supply generated by the DC-DC when the control power is ON.
D4 : It lights red when the motor coil connected with the driver becomes short or open while the motor is
running.
5-6. Default setting
SW1
：
bit1
：
OFF bit2
：
OFF bit3
：
OFF bit4
：
OFF 1 pulse method / Sleep Mode internal logic HOLD
SW2
：
Setting 0 Driving current value 0.13A
SW3
：
Setting 2 To lower the current value to 50% after input pulse stops in the case that the ACD
function is selected.
Driving current
SW3-1 setting SW3-2 setting SW3-3 setting
Other than set value Other than set value