User`s manual

391
CHAPTER 17 DEDICATED INSTRUCTIONS
17
17.5 G(P).GETE
(2) Simultaneous execution of dedicated instructions
The following table lists the handling for when executing another instruction during execution of the GETE
instruction or executing the GETE instruction during execution of another instruction in the same channel.
: Available, : Not available
(3) Whether the GETE instruction was completed normally/abnormally can be
checked by the completion device (D) or status display device at completion
((D)+1).
(a) Completion device
Turns on at the END processing of the scan where the GETE instruction is completed, and turns off at the next
END processing.
(b) Status display device at completion
Turns on and off depending on the completion status of the GETE instruction.
• Normal completion: Stays off and does not change.
• Abnormal completion: Turns on at the END processing of the scan where the GETE instruction is
completed, and turns off at the next END processing.
[Operation when the GETE instruction is being executed]
Instruction
Availability of
simultaneous
execution
Handling of simultaneous execution
ONDEMAND

OUTPUT
PRR
INPUT
BIDOUT
BIDIN
CSET
PUTE 
• Dedicated instructions simultaneous execution error (7FF0H) occurs in the dedicated instruction attempted
later.
GETE  • The next instruction will be ignored until the active instruction has been completed.
BUFRCVS

SPBUSY
UINI 
• Dedicated instructions simultaneous execution error (7FF0H) occurs in the dedicated instruction attempted
later.
CPRTCL 
ON
ON
OFF
OFF
GETE instruction
Normal completion
One scan
Sequence program
Completion device
Status display device
at completion
END
processing
END
processing
END
processing
END
processing
GETE instruction execution
Completion of reading user frames
by the GETE instruction
Abnormal
completion