August 2012
L010440
16
Direct Talk Mode
Direct mode is used to directly control the motion for real time movements through serial com
-
munication. The pulse generator has 14 commands which are easy to remember for direct
movement of a step motor.
COM Port Settings
Baud Rate:
38400
Parity:
None
Data Bits:
8
Stop Bits:
1
Flow Control:
Xon/Xoff
Unit Selection
In order to select a unit the @ command followed by 0 (address of the unit) must be sent.
NOTE: There should be no spaces between the @ and the 0.
How to select the unit:
@0
(Unit is selected)
How to get a response from the unit:
@0$
(Carriage Return)
After the $ command, the pulse generator will return a the current version number
Note: In direct talk mode each command is followed by a carriage return.
The unit communicates in half duplex mode, therefore proper setup of hyper terminal is neces-
sary to view characters, if characters are to be echoed back to the screen.
Instructions
All instructions require that no spaces be sent between the command and the parameter followed
by a carriage return. The commands are also case sensitive and are all sent as capitals.
Command Summary:
A
-
Acceleration/Deceleration
R
- Microstep Resolution
B
-
Base
Speed
S
- Soft Limit
C
- Current Reduction
V
- Verify
G
-
Go
(Index)
+
- Clockwise Direction
H
-
Hard
Limit
-
- Counterclockwise Direction
M
-
Max
Speed
$
- Version Number Register
N
-
Index
Number
!
- Error Codes Register
July 2018