參數(shù)資料
型號(hào)： GS-C200
廠商： 意法半導(dǎo)體
英文描述： INTELLIGENT STEPPER MOTOR CONTROLLERS
中文描述： 智能步進(jìn)電機(jī)控制器
文件頁(yè)數(shù)： 13/31頁(yè)
文件大?。?/td> 314K
代理商： GS-C200
Direct execution commands are immediately actu-
ated. They include: start and stop the program
execution, set theprogramming mode, checkposi-
tion, check I/O,etc...
Delayed execution commands are run when re-
quested by thesequence currently storedinmemo-
ry. By using a combination of these commands, it
is possible to perform very complex movements
includingalsothe conditioning by external stimulus,
the iteration of a specific sequence for a defined
number of times.
Utility commands allow the GS-C modules to per-
formseveral additional functions suchas the detec-
tion of the position, phase current optimization etc...
These commands, when properly used, speed up
the systemdebugging phase andthey increase the
system efficiency.
Note:
To easily learn how to program the GS-C and to minimize
development time, a P.C.based self explaining and interactivepro-
gram named
F.A.S.T.
(
F
irst
A
dvanced
S
tepper motor
T
raining pro-
gram), able to communicate with the module by using the
Point-to-Pointprotocol,has been developed and itis available to the
end user. (See GS-C200PROG datasheet).
Command strings can be easily implemented also
by using a high level language such as BASIC, or
they can begenerated by adedicated microcontrol-
ler programmed in machine language. The dia-
logue speed is limited by the time required to
construct the command string and to analyze the
GS-C data, andit results noticeabily reduced when
a ”machine language” program is used.
The program, after testing, can be stored in the
EEPROM included in the GS-C module and then
loaded and automatically executed at power-up,
resultingin a low cost stand-alone system.It is also
possible to save the program as a DOS file on a
floppy disk for future retrieval, or to ease the field
update of the program itself.
Every command isidentified by one or two charac-
ters and by a variable length argument (from 0 to 7
characters). If the Multipoint communication proto-
col is used, the address is specified by the number
that preceeds the command. All the commands
sent by the Host, as well as the data generated by
the GS-C, are terminated by a Carriage Return
(ASCII value = 0D).
In the following pagesall the commands whichmay
be executed by the GS-C200 and the GS-C200S
are detailed, as well as their format. A practical
example of the command usage isalso given. The
presence of anasterisk at the end of the command
denotes that the command is executable only by
the GC-C200, while two asterisk denote a com-
mand executed only by the GS-C200S.
Each command is shown in the same format used
during the programming phase, i.e. the command
identifier plus the argument:
G
sxxxxxxx
The argument can be single, double or missing
according to thevarious command types.
The various argument are identified by different
letters according to the particular type i.e.:
s
= sign
+ or –
x
= figure
1 to 3
y
= figure
0 to 7
v
= value
1 to 999depending oncommand
p
= position 1to 999999 incremental or the
absolute position
Apart the different number of executable com-
mands and functions, the GS-C200S and the GS-
C200 look very similar each other. The only
foundamental difference is the way they manage
the position counter.
The position counter is the reference ruler for the
microprocessor to move correctly from the actual
position to the targeted one, executing the proper
number of steps in the right direction.
The GS-C200 position counter allows a maximum
of ten million steps to be executed, and the home
position corresponds to the 0count position. When
a movement is larger than the position ruler limits
an Error 5 is reported to the Host.
The GS-C200Sposition counter allows amaximum
total count of 2
24
step ranging from –8388608 to
+8388607 steps.When the maximum count is ex-
ceeded the counter wraps-around. For example if
the position counter is +8388606 and a +5 steps
movement isexecuted, the final position will be:
+8388606 Initial position
+8388607 After 1 stepexecution
–8388608 After 2 stepsexecution
–8388607 After 3 stepsexecution
–8388606 After 4 stepsexecution
–8388605 Final position
Ofcourse no error is reported.
13/31
GS-C200/ GS-C200S
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