4-2SectionProgramming Console Operations
96
4-2 Programming Console Operations
4-2-1 Overview
The following table lists the programming and monitoring operations that can be
performed from a Programming Console. Refer to the rest of this section for
details on operational procedures.
Name Function Page
Clearing memory Clears all or part of the Program Memory and any data areas that are not
read-only, as well as the contents of the Programming Console’s memory.
97
Clearing memory completely Clears all of memory, including the user program, PC Setup, all data
areas, and the I/O comment area (set with version 2.0 or later of
CX-Programmer).
98
Reading UM allocation
information
Reads the I/O comment area and user program area capacities when an
I/O comment area has been set with version 2.0 or later of
CX-Programmer.
98
Reading/clearing error
messages
Displays and clears error messages and displays MESSAGE instruction
messages.
98
Buzzer operation Turns on and off the buzzer that sounds when Programming Console keys
are pressed.
99
Assigning expansion
instruction function codes
Reads or changes the function codes assigned to expansion instructions 100
Setting a program memory
address
Sets the specified program memory address when reading, writing,
inserting and deleting programs.
100
Reading a program memory
address
Reads the contents of the Program Memory. Displays the status of the
currently displayed bit in PROGRAM and MONITOR modes.
100
Instruction search Finds occurrences of the specified instruction in the program. 104
Bit operand search Finds occurrences of the specified operand bit in the program. 105
Inserting and deleting
instructions
Inserts or deletes instructions from the program. 105
Entering or editing programs Overwrites the contents of the current Program Memory to either input a
program for the first time or to change a program that already exists.
101
Checking the program Checks for programming errors and displays the program address and
error when errors are found.
107
Bit, digit, word monitor Monitors the status of up to 16 bits and words, although only 3 can be
shown on the display at one time.
107
Multiple address monitor Monitors the status of up to 6 bits and words simultaneously. 109
Differentiation monitor Monitors the up or down differentiation status of a particular bit. 109
Binary monitor Monitors the ON/OFF status of any word’s 16 bits. 110
3-word monitor Monitors the status of three consecutive words. 111
Signed decimal monitor Converts the contents of the specified word from signed hexadecimal
(two’s complement format) to signed decimal for display.
111
Unsigned decimal monitor Converts hexadecimal data in a word to unsigned decimal for display. 112
3-word data modification Changes the contents of one or more of the 3 consecutive words
displayed in the 3-Word Monitor operation.
112
Changing timer, counter SV 1 Changes the SV of a timer or counter. 113
Changing timer, counter SV 2 Makes fine adjustment changes to the SV of the timer or counter. 114
Hexadecimal, BCD data
modification
Changes the BCD or hexadecimal value of a word being monitored. 114
Binary data modification Changes the status of a word’s bits when the word is being monitored. 115
Signed decimal data
modification
Changes the decimal value of a word being monitored as signed decimal
data, within a range of –32,768 to 32,767. The contents of the specified
word are converted automatically to signed hexadecimal (two’s
complement format.)
115
Unsigned decimal data
modification
Changes the decimal value of a word being monitored as unsigned
decimal data, within a range of 0 to 65,535. A change into hexadecimal
data is made automatically.
116
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