Manual
Detailed Descriptions of ACL Commands 3-53
The Taught Point is the carriage position which was current when the most recent TEACH
or Dynamic Teach occurred. It is saved as a microstep location. The OT command converts
that location to Calibrated Units according to the pattern rotation angle, calibration factors,
Origin, and linearity correction in effect at the time of the OT. Therefore the values could be
affected by an intervening BP, CR, EP, CF, or SO command or by a push of the SET
ORIGIN button.
If the Taught Point Available status bit is already set, pressing the TEACH button does not
store a new point; the host must first "use" the previous point via OT or MT. In contrast, a
Dynamic Teach overwrites any old Taught Point regardless of the Taught Point Available
status bit.
An unwanted previous taught point can be cleared by executing a dummy OT and ignoring
the results.
The host can use the OS command to test whether the Taught Point Available status bit is
set without risking hanging up if no Taught Point is available. Alternatively, the host can
just send OT and wait for the results to come back. The OT command can be aborted
(without pressing TEACH) by sending the.
ESC K command; see Chapter 6.
You can move the carriage to the Taught Point via the MT command.
The Taught Point defaults to (0,0) at power up and IN.
If you need to teach the Z axis position use the programming techniques described under the
AM ("Arrow Mode") command.
OU <quotechar> [<char> [, <char> ...]] <quotechar> [, <suppress term> ]
Output Literal String
This command causes the Automove System to output a literal string of ASCII (American
Standard Code For Information Interchange) characters to the host. The string may contain
up to 64 characters.
The <quotechar> is any ASCII character other than NULL or Escape. (As with all ACL,
each character used in an OU command must not have bit 7 set; i.e., the decimal equivalent
must be less than 128.) You may choose any character to delimit the string, as long as that
character does not appear within the string itself. The suggested character to use under
normal conditions is the ASCII "double quote" itself ("). If a double quote must appear in
the string, some other character (such as single quote or apostrophe) should be used to
delimit the string. Blanks preceding the first <quotechar> are ignored.
When the OU command is executed, the System sends each of the <char> characters to the
host. A maximum of 64 characters may appear between the two <quotechar> delimiters. If
too many characters appear, an error is logged and the excess characters are treated as
normal ACL commands.
Don't forget the closing <quotechar> -- if you don't send it, some of the subsequent ACL
commands will be "eaten up" by the OU command.