Datasheet

Contents
I
Table of Contents
1. Introduction, Features and Applications.................................................................... 1
Introduction ........................................................................................................... 1
Features ................................................................................................................. 1
Applications........................................................................................................... 1
2. Specifications ............................................................................................................2
Electrical Specifications ........................................................................................ 2
Mechanical Specifications..................................................................................... 2
Elimination of Heat ............................................................................................... 2
Operating Environment and other Specifications.................................................. 3
3. Pin Assignment and Description ...............................................................................3
Connector P1 Configurations ................................................................................ 3
Selecting Active Pulse Edge and Control Signal Mode......................................... 4
Connector P2 Configurations ................................................................................ 4
4. Control Signal Connector (P1) Interface ................................................................... 4
5. Connecting the Motor................................................................................................ 5
Connections to 4-lead Motors................................................................................5
Connections to 6-lead Motors................................................................................5
Half Coil Configurations ............................................................................... 6
Full Coil Configurations................................................................................ 6
Connections to 8-lead Motors................................................................................6
Series Connections ........................................................................................6
Parallel Connections...................................................................................... 7
6. Power Supply Selection............................................................................................. 7
Regulated or Unregulated Power Supply .............................................................. 7
Multiple Drivers .................................................................................................... 8
Selecting Supply Voltage....................................................................................... 8
7. Selecting Microstep Resolution and Driver Output Current ..................................... 8
Microstep Resolution Selection............................................................................. 9
Current Settings.....................................................................................................9
Contents
II
Dynamic current setting ..............................................................................10
Standstill current setting .............................................................................. 10
8. Wiring Notes............................................................................................................ 10
9. Typical Connection.................................................................................................. 11
10. Sequence Chart of Control Signals........................................................................ 11
11. Protection Functions.............................................................................................. 12
Over-current Protection ............................................................................... 12
Over-voltage Protection............................................................................... 12
Phase Error Protection.................................................................................12
Protection Indications..................................................................................12
12. Frequently Asked Questions..................................................................................13
Problem Symptoms and Possible Causes ............................................................13