6 DriveProgramming Commands
6 - 20
DriveProgramming User’s Manual (I622-E1)
Example
Until/Loop
Command Description Argument
Executes <command set> until <condition> is
met.
Condition
: a comparison between two variables
or constants with the format <left hand value>
<comparison operator> <right hand value>.
• Left hand value: any variable or constant
(range −128 to 127)
• Comparison operator: =, <, >, <=, >=, or <>
• Right hand value: any variable or constant
(range −128 to 127)
Command set: one or more commands until
the “loop” command. It can contain nested com-
mands (up to eight levels).
Format
Flowchart method Text language method
until <condition>
<command set>
loop
Flowchart Text
Block number
Operation
1 to 3 If X(00) is not 1, it waits for 1.00 second with the “wait” command and jumps to the “until” com-
mand. If X(00) is 1, it executes the “loop” command and goes to the next command.
4 to 5 Adds 1 to U(00) and jumps to the block 1: again unconditionally.
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