Req Instruction - Mitsubishi MELSEC-L series Programming Manual

J_REQ, G_REQ
5.4.8

REQ instruction

J(P)_REQ
G(P)_REQ
Structured ladder
J_REQ
EN ENO
Jn* d1
s1 d2
s2
Input argument EN:
Jn*:
Un*:
s1:
s2:
Output argument ENO:
d1:
d2:
Function
This instruction sends transient request to another station.
5.4 CC-Link IE Controller Network, MELSECNET/H, and Ethernet Instruction
5-172
5.4.8 REQ instruction
G_REQ
EN ENO ENO:=
J_REQ
ENO:=
G_REQ
Un* d1
s1 d2
s2
Executing condition
Network number of the host station (1 to 239, 254)
"
254: Network specified in Valid module during other station
"
access
Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/O number in
three digits)
Variable that stores control data
Variable that stores request data
Execution result
Variable that stores response data
Variable that turns ON upon completion of the instruction
d2[1] also turns ON at the time of error completion.
Internal device
Setting
*1
data
Bit Word
−
s1
−
s2
−
d1
d2
P: Executing condition
instructions.
ST
J_REQ
G_REQ
(EN, Jn*, s1, s2, d1, d2);
(EN, Un*, s1, s2, d1, d2);
:Bit
:ANY16
:ANY16
:Array of ANY16 [0..17]
:Array of ANY16 [0..5]
:Bit
:Array of ANY16 [0..5]
:Array of bit [0..1]
J \
R, ZR
U
Bit Word
*1: Local devices and file registers per program cannot be used as setting data.
J_REQ, G_REQ
CC IE NET/H E71
:
indicates any of the following
JP_REQ
GP_REQ
Zn Constant Others
\G
−
−
−
−