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10.5 JP/GP.SREAD (Reading Data from the Programmable
Controller on Another Station)
This instruction reads data from the device of the programmable controller on another station. (In units of words)
With the SREAD instruction, when data read is completed, the device of the other station is turned on. Data reading
with the SREAD instruction can be confirmed by this.
*1 T, C, D, W, ST, SD, and SW can be used.
*2 For the SREAD instruction, the read notification device (D3) can be omitted in the programming.
However, the operation is the same as the READ instruction.
The SREAD instruction can operate differently depending on whether read notification device (D3) is omitted or not.
*3 When the target station is a Basic model QCPU or a safety CPU module, the data set in the read notification device (D3)
is ignored. (Operation is the same as the READ instruction.)
Setting data
Available devices
Internal device (System, user) Constant
Others
Bit Word K, H
(S1)
(S2)
*
1
(D1)
(D2)
(D3)
JP.SREAD
Start contact
GP.SREAD
Start contact
JP.SREAD Jn
GP.SREAD Un
or
""
or
""
*2*3
*2*3
(S1)
(S2)
(S2)
(S2)
(S2)
(D1) (D2)
(S1) (D1) (D2)
(D3)
(D3)