RM42A Digital Stepper Drive User Manual
Table of Contents
1. Features .......................................................................................................................................................................... 1
2. Specifications ................................................................................................................................................................. 1
2.1 Electrical Specifications ........................................................................................................................................ 1
2.2 Environment .......................................................................................................................................................... 1
2.3 Mechanical Specifications .................................................................................................................................... 2
2.4 Elimination of Heat ............................................................................................................................................... 2
3. Connection Pin Assignments and LED Indication ..................................................................................................... 2
3.1 P1 - Control Connector ......................................................................................................................................... 3
3.2 P2 - Fault Output Connector ................................................................................................................................. 3
3.3 P3 - Motor and Power Supply Connector ............................................................................................................. 3
3.4 P4 - RS232 Tuning Port ........................................................................................................................................ 3
3.5 LED Light Indication ............................................................................................................................................ 4
4. Control Signal and Output Signal ............................................................................................................................... 4
4.1 Control Signal Connection .................................................................................................................................... 4
4.2 Fault Output Connection ....................................................................................................................................... 4
5. Motor Connection ......................................................................................................................................................... 5
6. Power Supply Selection ................................................................................................................................................ 5
6.1Power Supply Sharing ........................................................................................................................................... 5
6.2 Selecting Supply Voltage ...................................................................................................................................... 6
7. DIP Switch Configurations .......................................................................................................................................... 6
7.1 Microstep Resolution Configurations ................................................................................................................... 6
7.2 Output Current Configurations ............................................................................................................................. 7
7.2.1 Dynamic Current Configurations ............................................................................................................... 7
7.2.2 Idle Current Configuration ......................................................................................................................... 7
7.3 Automatic Motor Matching & Self Configuration ................................................................................................ 7
8. Wiring Notes .................................................................................................................................................................. 7
9. Typical Connection ....................................................................................................................................................... 8
10. Sequence Chart of Control Signals ........................................................................................................................... 8
11. Protection Functions ................................................................................................................................................... 9
12. Troubleshooting ......................................................................................................................................................... 10
13. Warranty .................................................................................................................................................................... 11
