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Microstepping – RMS Technologies R325P DRIVER User Manual

Page 20

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Command

(Case

Sensitive)

Operand

Example

Description

SD -

#ASD

Saves data

Save Data - Command Only

- This command causes a set of parameter values to be

written to non-volatile memory. On power up the last set

of values written are set to be the parameter initial values.

-The parameters whose values are thus saved are:

My Address

Absolute Position

Velocity Limit

Minimum Velocity

Start Velocity

Acceleration

Hold Timeout

Step Resolution

Run Current

Hold Current

Percent Fast Decay

MISC

PF 0, 1, 2, 3

#ACD1

Sets Mixed

Mode

damping to

15%

Percent Fast Decay - Command or Query

Default = 2

- Allows the Damping Mode of the driver IC to be set.

0 = Fast Decay

1 = Mixed Mode 15%

2 = Mixed Mode 48%

3 = 100%

The optimum setting will vary with motor inductance and

step rate; however the default ‘Mixed Mode’ setting will

work well with almost all motors.

MICROSTEPPING

SR 1, 2, 4, 8, 16,

32, 64, 128,

256

#ASR4

Sets the step

resolution to

4x

Step Resolution - Command or Query

Default = 8

- Reads or sets the current step resolution

Allowed values are:

256 for 256x

128 for 128x

64 for 64x

32 for 32x

16 for 16x or

8 for 1/8

th

stepping

4 for 1/4 stepping

2 for Half Stepping

1 for Full Stepping

RMS Technologies

Page 20

Version 1.01

R325PE Single Axis Closed loop Driver/Indexer Manual

5/29/2013