User Manual

PD-1141 Hardware Manual (Rev. 1.04 / 2013-JUL-23) 2
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Table of Contents
1 Features ........................................................................................................................................................................... 3
2 Order Codes ................................................................................................................................................................... 5
3 Mechanical and Electrical Interfacing ..................................................................................................................... 6
3.1 Dimensions ........................................................................................................................................................... 6
3.2 Stepper Motor Specifications ........................................................................................................................... 7
3.3 Connectors of PD-1141 ....................................................................................................................................... 8
3.3.1 Power and RS485 Connector ..................................................................................................................... 9
3.3.1.1 Power Supply .......................................................................................................................................... 9
3.3.1.2 RS485 ....................................................................................................................................................... 10
3.3.2 Multipurpose I/O Connector ..................................................................................................................... 11
3.3.2.1 Digital Inputs IN_0, IN_1, IN_2 ........................................................................................................ 12
3.3.2.2 Analog Input AIN_1 ............................................................................................................................. 13
3.3.2.3 Outputs OUT_0, OUT_1 ........................................................................................................................ 13
3.3.3 Step/Direction Connector .......................................................................................................................... 14
3.3.3.1 Step / Direction / Enable inputs....................................................................................................... 14
3.3.4 Motor Connector .......................................................................................................................................... 15
3.3.5 Mini-USB Connector .................................................................................................................................... 16
4 Reset to Factory Defaults ......................................................................................................................................... 17
5 On-Board LED .............................................................................................................................................................. 17
6 Operational Ratings ................................................................................................................................................... 18
7 Torque Curves ............................................................................................................................................................. 19
7.1.1 PD42-1-1141 Torque Curves ...................................................................................................................... 19
7.1.2 PD42-2-1141 Torque Curves ...................................................................................................................... 19
7.1.3 PD42-3-1141 Torque Curves ...................................................................................................................... 20
8 Functional Description .............................................................................................................................................. 21
9 PD-1141 Operational Description ........................................................................................................................... 22
9.1 Calculation: Velocity and Acceleration vs. Microstep and Fullstep Frequency ................................ 22
10 Life Support Policy ..................................................................................................................................................... 24
11 Revision History .......................................................................................................................................................... 25
11.1 Document Revision ........................................................................................................................................... 25
11.2 Hardware Revision ............................................................................................................................................ 25
12 References .................................................................................................................................................................... 25