2
STM23R Hardware Manual
920-0056C
5/5/2015
Contents
Introduction ..........................................................................................................................................................................................................................................................................................3
Features ...................................................................................................................................................................................................................................................................................................3
Block Diagram ......................................................................................................................................................................................................................................................................................4
Getting Started ....................................................................................................................................................................................................................................................................................5
Mounting the STM23R ...................................................................................................................................................................................................................................................................6
Connecting the Power Supply ...................................................................................................................................................................................................................................................7
Choosing a Power Supply.............................................................................................................................................................................................................................................................8
Voltage ...........................................................................................................................................................................................................................................................................................8
Current ...........................................................................................................................................................................................................................................................................................8
Connecting Input Signals............................................................................................................................................................................................................................................................13
Connector Pin Diagram ......................................................................................................................................................................................................................................................13
Internal Circuit Diagram .....................................................................................................................................................................................................................................................13
Connection Examples: STEP & DIR .............................................................................................................................................................................................................................14
Connection Examples: EN .................................................................................................................................................................................................................................................14
Connecting the Digital Output ...............................................................................................................................................................................................................................................16
Using the Optional Encoder ....................................................................................................................................................................................................................................................17
Configuring the STM23R ...........................................................................................................................................................................................................................................................18
Step 1: Setting the Current ..............................................................................................................................................................................................................................................18
Step 2: Setting Idle Current .............................................................................................................................................................................................................................................18
Step 3: Load Inertia .............................................................................................................................................................................................................................................................19
Step 4: Step Size.....................................................................................................................................................................................................................................................................19
Step 5: Step Pulse Type .....................................................................................................................................................................................................................................................21
Step 6: Step Pulse Noise Filter ........................................................................................................................................................................................................................................22
Self Test ................................................................................................................................................................................................................................................................................................22
Reference Materials .......................................................................................................................................................................................................................................................................23
Torque-Speed Curves ........................................................................................................................................................................................................................................................23
Heating ........................................................................................................................................................................................................................................................................................24
Maximum Duty Cycle ..........................................................................................................................................................................................................................................................24
Power Consumption ............................................................................................................................................................................................................................................................26
Power Dissipation ..................................................................................................................................................................................................................................................................27
Mechanical Outline STM23R-2NN .............................................................................................................................................................................................................................28
Mechanical Outline STM23R-2ND .............................................................................................................................................................................................................................29
Mechanical Outline STM23R-2NE ..............................................................................................................................................................................................................................30
Mechanical Outline STM23R-3NN .............................................................................................................................................................................................................................31
Mechanical Outline STM23R-3ND .............................................................................................................................................................................................................................32
Mechanical Outline STM23R-3NE ..............................................................................................................................................................................................................................33
Technical Specifications .....................................................................................................................................................................................................................................................34
Mating Connectors and Accessories ..........................................................................................................................................................................................................................35
Alarm Codes ............................................................................................................................................................................................................................................................................36
Connector Diagram .............................................................................................................................................................................................................................................................36
