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169
CHAPTER 10 DEDICATED INSTRUCTIONS
10
10.5 JP/GP.SREAD (Reading Data from the Programmable Controller on Another Station)
(1) Setting data
(a) Control data
The SREAD instruction control data is the same as that of the READ instruction
( Page 160, Section 10.4)
(b) Start device of the target station where data to be read is stored
The target station's start device where data to be read by the SREAD instruction is stored is the same as that of
the READ instruction. ( Page 160, Section 10.4)
(c) Start device of the own station where read data is stored
The start device of the own station where data read by the SREAD instruction is stored is the same as that of
the READ instruction. ( Page 160, Section 10.4)
Setting
data
Description Set by Data type
Jn
Own station's network No. (1 to 239, 254)
254: Network specified in Valid Module During Other Station Access
User
16-bit binary
Un
Start I/O number of the master/local module of the own station
(00 to 3E
H
: Upper 2 digits of the I/O number expressed in 3 digits)
(S1)
Start device of the own station where control data is stored ( Page 169,
Section 10.5 (1) (a))
Device name
(S2)
Start device of the target station where data to be read is stored
( Page 169, Section 10.5 (1) (b))
(D1)
Start device of the own station where read data is stored
A continuous area for the read data length is required. ( Page 169,
Section 10.5 (1) (c))
System
(D2)
Device of the own station, which is turned on for 1 scan upon completion of
the instruction.
(D2)+1 is turned on as well when the instruction fails.
Bit
(D3)
Device of the target station, which is turned on for 1 scan upon completion of
the instruction.
Data reading from another station can be confirmed.