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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.
JP.SREAD
GP.SREAD
Internal device
1
Setting data*
(System, user)
Bit
(S1)
(S2)
5
*
(D1)
(D2)
(D3)
*1
Local devices and file registers set for each program cannot be used.
*2
T, C, D, W, ST, SD, and SW can be used.
*3
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.
*4
When the target station is a Basic model QCPU or a QSCPU, the data set in the read notification device (D3) is ignored.
(Operation is the same as the READ instruction.)
*5
When the target station is a Basic model QCPU, a Universal model QCPU, an RCPU or an LCPU, a digit-specified bit
device can be used. (
To use digit specification, all the following conditions must be met:
• The device number should be multiples of 16 (10
• The number of digits should be 4 (K4).
Start contact
Start contact
Link direct device
File
J\
register
R, ZR
Word
Bit
2
*
K4M16)
Ex.
CHAPTER 10 DEDICATED INSTRUCTIONS
(S2)
JP.SREAD
Jn
(S1)
or
"
(S2)
(S2)
GP.SREAD
Un
(S1)
or
"
(S2)
Available devices
Intelligent
function module
device
Word
U\G
).
H
(D1)
(D2)
(D3)
"
*3*4
(D1)
(D2)
(D3)
"
*3*4
Index
Constant
register
Zn
K, H
$
10
Others
257
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