Mitsubishi QD51, Руководство пользователя, Страница: 46 / 160

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MELSEC-Q
3 SPECIFICATIONS
Classification
Command,
Function
Operation
Command to
write to the
designated bit
Writing to the
designated bit
WTSET Writes 0 or 1 to the specified bit of an integer array variable.
Command to
read from the
designated bit
Reading from the
designated bit
RDSET Reads 1-bit data from the specified bit of an integer array variable.
ASC Returns a character code corresponding to the head of a string expression. Character ASCII
conversion
CHR$ Returns a character whose code is an integer expression value.
STR$ Recognizes a value as a decimal number and converts it to a character string. Character
Number conversion VAL
Returns a numerical value that is represented by a character string.
HEX$ Converts a decimal number to a hexadecimal string.
OCT$ Converts a decimal number to an octal string.
Number
Character string
conversion
BIN$ Converts a decimal number to a binary string.
LEFT$ Extracts the specified number of characters from the left of a character string
MID$ (Second)
Extracts a partial string starting from the specified position in the original character
string.
RIGHT$ Extracts the specified number of characters from the right of a character string.
STRING$ Returns the specified number of the specified characters.
Character sampling
SPACE$ Returns a null string of the specified length.
Character search INSTR
Searches for the specified character string in the entire source string and returns
the position of the first match.
Character
string functions
Character string
length search
LEN Returns the number of characters composing a character string.
SPC Returns the specified number of spaces. Format control
function
Format control
TAB Moves the currently displayed character position to the specified position.
CONSOLE Specifies the number of items to be displayed on the console screen.
CLS Clears the screen display.
Screen control
command
Screen control
LOCATE Specifies the display position on the console screen.
ZOPEN
Opens a communication channel (port) in preparation for performing
communications with an external device.
Port assignment
ZCLOSE
Closes the communication channel (port) used for communications with external
devices.
Buzzer output BEEP Makes a buzzer sound from the speaker built in the console.
LLIST Outputs all or a part of programs in the program area to a printer.
LPRINT Outputs data to a printer.
LPRINT USING Outputs data in the specified format to a printer.
LFILES
Outputs the names of the files on an FD or HD to a printer.
ZLDV Selects a printer port.
Printer output
WIDTH Sets the output width in the printer.
PRINT Displays data on the screen.
PRINT USING Displays a character string or a numeric value in the specified format. Output to screen
KEY LIST Displays a character string defined for a function key on the screen.
Input/Output
Control
Commands
Output to port ZSEND Sends data from the specified port.
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