一． ST-3DM2250兩相步進(jìn)驅(qū)動(dòng)器特點(diǎn)
1、 采用全新32位電機(jī)控制專用DSP芯片；
2、 內(nèi)部過流、過壓、過溫等保護(hù)電路；
3、 采用先進(jìn)的矢量控制算法；
4、 最高500KHz脈沖響應(yīng)頻率；
5、 支持指令控制模式；
6、 集成RS232或者RS485通信功能，并且完整支持MODBUS協(xié)議指令集。
二． 使用說明：
1、端口說明：
ST-3DM2250驅(qū)動(dòng)器引腳端口說明 | |
PUL+ | 脈沖輸入正端，接+5V |
PUL- | 脈沖輸入信號負(fù)端 |
DIR+ | 方向輸入正端，接+5V |
DIR- | 方向輸入信號負(fù)端 |
| ENA+ | 使能輸入信號正端，接+5V |
| ENA- | 使能輸入信號負(fù)端 |
| ALM+/ALM- | 驅(qū)動(dòng)器故障輸出信號正負(fù)端 |
| RDY+/RDY- | 驅(qū)動(dòng)器準(zhǔn)備好輸出信號正負(fù)端 |
U、V、W | 電機(jī)輸入端口 |
L | 交流220V |
| N | 交流220V |
SW1-SW4 | 電流組合撥碼 |
| SW6-SW8 | 細(xì)分組合撥碼 |
| SW9 | ON脈沖輸入，OFF方向信號輸入 |
| SW10 | ON轉(zhuǎn)速設(shè)定，OFF為接受停止 |
2、電流設(shè)定
SW1 | SW2 | SW3 | SW4 | 電流（A） |
OFF | OFF | OFF | OFF | 2.2 |
OFF | OFF | OFF | ON | 2.4 |
OFF | OFF | ON | OFF | 2.6 |
OFF | OFF | ON | ON | 2.8 |
OFF | ON | OFF | OFF | 3.0 |
OFF | ON | OFF | ON | 3.2 |
OFF | ON | ON | OFF | 3.4 |
OFF | ON | ON | ON | 3.6 |
| ON | OFF | OFF | OFF | 3.8 |
| ON | OFF | OFF | ON | 4.0 |
| ON | OFF | ON | OFF | 4.2 |
| ON | OFF | ON | ON | 4.4 |
| ON | ON | OFF | OFF | 4.6 |
| ON | ON | OFF | ON | 4.8 |
| ON | ON | ON | OFF | 5.0 |
3、細(xì)分設(shè)定
SW5 | SW6 | SW7 | SW8 | 細(xì)分 |
ON | ON | ON | ON | 400 |
ON | ON | ON | OFF | 500 |
ON | ON | OFF | ON | 600 |
ON | ON | OFF | OFF | 800 |
ON | OFF | ON | ON | 1000 |
ON | OFF | ON | OFF | 1200 |
ON | OFF | OFF | ON | 2000 |
ON | OFF | OFF | OFF | 3000 |
| OFF | ON | ON | ON | 4000 |
| OFF | ON | ON | OFF | 5000 |
| OFF | ON | OFF | ON | 6000 |
| OFF | ON | OFF | OFF | 10000 |
| OFF | OFF | ON | ON | 12000 |
| OFF | OFF | ON | OFF | 20000 |
| OFF | OFF | OFF | ON | 30000 |
| OFF | OFF | OFF | OFF | 60000 |
RS232 RS485端口
端子號 | 符 號 | 名 稱 | 說 明 |
1 | A | RS485數(shù)據(jù)端A | |
2 | +5V | 電源正端+5V | 僅供外部手操器 |
3 | TxD | RS232發(fā)送端 | |
4 | GND | 電源地 | 0V |
5 | RxD | RS232接收端 | |
6 | B | RS485數(shù)據(jù)端B |
安裝外形圖：
