User`s manual

395
CHAPTER 17 DEDICATED INSTRUCTIONS
17
17.6 G(P).PRR
17.6.3 Functions
(1) This instruction transmits the user frame data using the non procedure
protocol of the Q series C24 as designated by Un, according to the control
data stored in the device designated by (S) and succeeding devices, as well as
the transmission user frame designation area of the Q series C24.
(2) Simultaneous execution of dedicated instructions
The following table lists the handling for when executing another instruction during execution of the PRR
instruction or executing the PRR instruction during execution of another instruction in the same channel.
: Available, : Not available
*1 Because the dedicated instructions listed below use a different communication protocol from that for the PRR
instruction, they are not used in the same channel.
• ONDEMAND, BIDOUT, BIDIN
•CPRTCL
If the dedicated instructions above are used in the same channel with the PRR instruction, the communication protocol
setting error (7FF2H) occurs.
(3) Whether the PRR instruction was completed normally or abnormally can be
checked with 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 PRR instruction is completed, and turns off at the next
END processing.
Instruction
*1
Availability of
simultaneous
execution
Handling of simultaneous execution
PRR 
• The next instruction will be ignored until the active instruction has been completed.
(However, simultaneous execution is available when channels to be used are not the same.)
INPUT 
OUTPUT

• Dedicated instructions simultaneous execution error (7FF0H) occurs in the dedicated instruction
attempted later.
(However, simultaneous execution is available when channels to be used are not the same.)
CSET
PUTE

GETE
BUFRCVS
SPBUSY
UINI 
• Dedicated instructions simultaneous execution error (7FF0H) occurs in the dedicated instruction
attempted later.