SPI Commands and Parameters

Use the following table and figure found on the following page together as the Byte order read and written from the MDrivePlus Microstepping, as well as the checksum at the end of a WRITE is critical.

 

 

SPI Commands and Parameters

 

Command/

HEX

Range

Notes

 

Parameter

(Default)

 

 

 

 

READ ALL

0x40

Reads the hex value of all parameters

 

 

 

 

 

MSB

Device (M)

0x4D

M Character precedes every READ

 

Version_MSB

0x10

<1-8>.<0-9>

Firmware Version.Sub-version, eg 1.0

 

Version_LSB

0x00

<0-99>

Firmware Version Appends to Version_

 

MSB, eg.00

 

 

 

 

 

USR_ID1

0x49

Uppercase Letter <I>

 

USR_ID2

0x4D

Uppercase Letter <M>

 

USR_ID3

0x53

Uppercase Letter <S>

 

MRC

0x19

1-67%

Motor Run Current

 

MHC

0x05

0-67%

Motor Hold Current

 

MSEL

0x00

0*, 1-259

Microstep Resolution (See Table in Section

 

*0=256

2.4 for settings)

 

 

 

 

DIR_OVRID

0x00

0=no override

Direction Override

 

1=override dir

 

 

 

 

 

HCDT_HI

0x01

0 or 2-65535

Hold Current Delay Time High Byte

 

 

 

 

 

HCDT_LO

0xF4

Hold Current Delay Time Low Byte

 

 

 

 

 

0=s/d,

 

 

CLKTYP

0x00

1=quad,

Input Clock Type

 

 

 

2=u/d

 

 

CLKIOF

0x00

<0-9>

Clock Input Filtering

 

WARNTEMP

0x50

 

OVER_TEMP - 5° C

 

 

 

 

 

 

EN_ACT

0x01

0=Low

Enable Active High/Low

 

1=High,

 

 

 

 

LSB

FAULT

0x00

See Fault Table, Section 2.4

 

WRITE ALL

0x80

Writes the hex value to the following

 

parameters.

 

 

 

 

MSB

USR_ID1

0x49

Uppercase Letter <I>

 

USR_ID2

0x4D

Uppercase Letter <M>

 

USR_ID3

0x53

Uppercase Letter <S>

 

MRC

0x19

1-100%

Motor Run Current

 

MHC

0x05

0-100%

Motor Hold Current

 

MSEL

0x00

0*, 1-259

Microstep Resolution (See Table in Section

 

*0=256

2.4 for settings)

 

 

 

 

DIR_OVRID

0x00

0=no override

Direction Override

 

1=override dir

 

 

 

 

 

HCDT_HI

0x01

0 or 2-65535

Hold Current Delay Time High Byte

 

HCDT_LO

0xF4

Hold Current Delay Time Low Byte

 

 

 

 

 

0=s/d,

 

 

CLKTYP

0x00

1=quad,

Input Clock Type

 

 

 

2=u/d

 

 

CLKIOF

0x00

<0-9>

Clock Input Filtering

 

WARNTEMP

0x50

 

OVER_TEMP - 5° C

 

 

 

 

 

 

EN_ACT

0x01

0=Low

Enable Active High/Low

 

1=High

 

 

 

 

LSB

CKSUM

 

 

34

 

 

 

 

 

 

Table 2.7.1: SPI Commands and Parameters

42

Microstepping MForce PowerDrive Manual Revision R032008

Page 62
Image 62
Intelligent Motion Systems Motion Detector operating instructions SPI Commands and Parameters, Msb

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