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MELSEC-Q
2 THE BASICS OF AD51H-BASIC
Note
There are two modes for executing BASIC programs in the communication module.
• Edit mode (online programming mode)
In this mode, BASIC programs can be executed online, and only the BASIC
program being edited can be executed.
It is not possible to perform multitask execution of BASIC programs while in edit
mode.
This manual describes examples of programming and execution in edit mode,
with the exception of multitask instructions.
• Execution mode
This mode allows multitask execution of BASIC programs that use multitask
instructions.
It is not possible to create or edit BASIC programs in execution mode.
Changing between edit mode and execution mode of the communication module is
performed by the methods shown below.
• AD51H-S3, A1SD51S • • • • • Use the rotary switch of the main module
(Mode switch)
• QD51 (-R24) • • • • • Perform GPPW switch settings
See the user’s manual for each communication module for detailed descriptions of
each mode and changing between them.
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