采用恒流斩波微步驱动控制技术
整步、1/2、1/4、1/8、1/16等多种细分
DC24~50V宽范围供电
输出驱动电流4A/相
输出电流连续可调
待机自动半电流功能,减少发热、降耗
输入信号TTL兼容,光耦隔离输入
脉冲频率40kHz
细分设定方便
过压,过流保护
SDS2H4A可以用来驱动4、6、8线的两相、四相混合式步进电机,步距角为1.8度和0.9度的均可适用。选择电机时主要由电机的扭矩和额定电流决定。扭矩大小主要由电机尺寸决定。尺寸大的电机扭矩较大;而电流大小主要与电感有关,小电感电机性能好,但电流较大。
其他说明
| 细分数 | SW1 | SW2 | SW3 | SW4 |
| 2 | ON | ON | ON | ON |
| 4 | OFF | ON | ON | ON |
| 8 | ON | OFF | ON | ON |
| 16 | OFF | OFF | ON | ON |
| 32 | ON | ON | OFF | ON |
| 64 | OFF | ON | OFF | ON |
| 128 | ON | OFF | OFF | ON |
| 256 | OFF | OFF | OFF | ON |
| 5 | ON | ON | ON | OFF |
| 10 | OFF | ON | ON | OFF |
| 25 | ON | OFF | ON | OFF |
| 50 | OFF | OFF | ON | OFF |
| 125 | ON | ON | OFF | OFF |
| 250 | OFF | ON | OFF | OFF |
| 细分数 | SW1 | SW2 | SW3 | SW4 |
| 2 | ON | ON | ON | ON |
| 4 | OFF | ON | ON | ON |
| 8 | ON | OFF | ON | ON |
| 16 | OFF | OFF | ON | ON |
| 32 | ON | ON | OFF | ON |
| 64 | OFF | ON | OFF | ON |
| 128 | ON | OFF | OFF | ON |
| 256 | OFF | OFF | OFF | ON |
| 5 | ON | ON | ON | OFF |
| 10 | OFF | ON | ON | OFF |
| 25 | ON | OFF | ON | OFF |
| 50 | OFF | OFF | ON | OFF |
| 125 | ON | ON | OFF | OFF |
| 250 | OFF | ON | OFF | OFF |







