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Enable Input .....................................................................................................................19
Clock Inputs .....................................................................................................................20
Optocoupler Reference ................................................................................................................22
Input Connection Examples ........................................................................................................23
Open Collector Interface Example ........................................................................................
Switch Interface Example ..................................................................................................24
Minimum Required Connections ................................................................................................25
Section 2.5: Connecting SPI Communications .............................................................................26
Connecting the SPI Interface ......................................................................................................26
SPI Signal Overview ....................................................................................................................26
SPI Pins and Connections ...........................................................................................................27
Logic Level Shifting and Conditioning Circuit ............................................................................27
SPI Master with Multiple Microstepping MForce PowerDrive ....................................................28
Section 2.6: Using the IMS SPI Motor Interface ...........................................................................29
Installation ..................................................................................................................................29
Configuration Parameters and Ranges .........................................................................................29
Color Coded Parameter Values ....................................................................................................29
IMS SPI Motor Interface Menu Options.....................................................................................30
Screen 1: The Motion Settings Configuration Screen ..................................................................31
MSEL (Microstep Resolution Selection) ...........................................................................32
HCDT (Hold Current Delay Time) .................................................................................33
MRC (Motor Run Current) ..............................................................................................33
MHC (Motor Hold Current) ............................................................................................33
DIR (Motor Direction) .....................................................................................................33
User ID .............................................................................................................................33
IMS SPI Motor Interface Button Functions ......................................................................33
Screen 2: I/O Settings Configuration Screen ...............................................................................34
Input Clock Type ..............................................................................................................34
Input Clock Filter .............................................................................................................34
Enable Active High/Low ...................................................................................................34
Warning Temperature .......................................................................................................34
IMS Part Number/Serial Number Screen ....................................................................................35
Fault Indication ...........................................................................................................................35
Upgrading the Firmware in the Microstepping MForce PowerDrive ............................................36
The IMS SPI Upgrader Screen ..........................................................................................36
Upgrade Instructions .........................................................................................................36
Initialization Screen .....................................................................................................................37
Port Menu.........................................................................................................................37
Section 2.7: Using User-Defined SPI ............................................................................................38
SPI Timing Notes ........................................................................................................................38
Check Sum Calculation for SPI ...................................................................................................38
SPI Commands and Parameters...................................................................................................39
SPI Communications Sequence ........................................................................................40
Appendices
Appendix A: Optional Prototype Development Cables ................................................................ A-3
MD-CC300-000: USB to SPI Parameter Setup Cable ..............................................................A-3
Adapter Cables ..........................................................................................................................A-3
Installation Procedure for the MD-CC300-000 ........................................................................A-4
Installing the Cable/VCP Drivers ....................................................................................A-4
Determining the Virtual COM Port (VCP) ....................................................................A-6
PD12-1434-FL3 — Power, I/O and SPI .........................................................................A-7
Prototype Development Cable PD02-2300-FL3 .......................................................................A-8
Prototype Development Cable PD04-MF34-FL3 .....................................................................A-8