Commands (page per command listing) – RMS Technologies R325 DRIVER W/PDT User Manual
Page 13

RMS Technologies
Page 13
Version 1.21
R325 Single Axis Driver Manual
08/23/2007
9. COMMANDS (Page per Command Listing)
Protocol Syntax
Command Format: #
Example: #AHT1000
Sets the Hold Timeout for Driver A to 1000
To query a command use the following format
Query Format: #
Example:
#AFR
Queries
Driver
A
for
the current Firmware Revision
The response would be in the following format
Response Format: *
Example:
*AFR325100
R325
firmware
revision
1.00
characters to be typed in. For direct keyboard users, these values are executed when
the "Return" key is pressed. For programmers, a "Carriage Return" and "Line
Feed" (also known as a "New Line") command needs to be executed after each
command.
Command
(Case Sensitive)
Operand
Example
Description
HT 100 -5000
#AHT100
Sets the Hold
Timeout to 100
mS
Hold Timeout - Command or Query
Default = 5000
- Reads or sets the time interval in milliseconds after any
motor movement, before the motor current is changed from
Run Current to Hold Current.
PF 0 - 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.
FR -
#AFR
Firmware Revision - Query Only
- Returns 3 digit part code followed by 3 digit firmware
revision value.
Reply
*AFR325100 //R325 firmware revision 1.00