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5.4 Network Dedicated Instruction
5.4.9 SREAD instruction
J_SREAD, G_SREAD
5.4.9 SREAD instruction
J_SREAD, G_SREAD
*1: Local devices and file registers per program cannot be used as setting data.
J(P)_SREAD
G(P)_SREAD
P: Executing condition
:
indicates any of the following
instructions.
J_SREAD JP_SREAD
G_SREAD GP_SREAD
Input argument EN:
Executing condition :Bit
Jn*:
Network number of the host station (1 to 239, 254)
254: Network specified in
"Valid module during other station
access
"
:ANY16
Un*:
Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/O number in
three digits)
:ANY16
s1:
Variable that stores control data :Array of ANY16 [0..17]
s2:
Start number of the target station's device from which data are
read
:ANY
Output argument ENO:
Execution result :Bit
d1:
Start number of the host station's device that stores read data :ANY16
d2:
Variable that turns ON upon completion of the instruction
d2[1] also turns ON at the time of error completion.
:Array of bit [0..1]
d3:
Variable that turns ON upon completion of the instruction
(read notification device)
:Bit
Setting
data
*1
Internal device
R, ZR
J\
U\G
Zn
Constant
Others
Bit Word Bit Word
CC IE FCC IE C
NET/H Ether
Structured ladder/FBD
EN ENO
Jn* d1
d2s1
s2
J_SREAD
EN ENO
Un* d1
d2
d3 d3
s1
s2
G_SREAD
ST
J_SREAD
(EN, Jn*, s1, s2, d1, d2, d3);
ENO:=
G_SREAD
(EN, Un*, s1, s2, d1, d2, d3);
ENO:=
s1
s2
d1
d2
d3