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9.4 JP/GP.SREAD
9
DEDICATED INSTRUCTIONS
(5) Program example
The program example of the SREAD instruction is different from that of the READ
instruction in that the read notification device (D3) is specified at the end of
arguments.
Remark
Refer to the following for details on the READ instruction program example.
Section 9.3 (5) Program example
As in the program example of the READ instruction, when M101 turns ON, data in
D250 to D254 of station No.4 (target station) are read out to D700 to D704 of station
No.1 (own station).
Additionally, if the read notification device (D3) is turned ON on the target station, Y60
of the target station is turned ON.
(a) System configuration example
Same as in the program example of the READ instruction.
(b) Devices used in the program example
1) Link special relay (SB) and link special register (SW)
Same as in the program example of the READ instruction.
2) Devices used by the user
• The devices used by the SREAD request source (station No.1)
Same as in the program example of the READ instruction.
• Devices used by the SREAD request target (station No.4).
(c) SREAD instruction settings
Same as in the program example of the READ instruction.
Table 9.14 Devices used by the user
Device
Description
Device
Description
M107
Write notification device
Y60
Read completion device
Summary of Contents for QJ71GP21-SX
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