Network Dedicated Instruction; Reading From The Buffer Memory Of An Intelligent Device Station - Mitsubishi Electric MELSEC-L Special Instructions Manual

5.4

Network Dedicated Instruction

Reading from the buffer memory of an intelligent device station

J(P)_RIRD, G(P)_RIRD
CC-Link CC IE C CC IE F
Structured ladder/FBD
J_RIRD
EN ENO
Jn* d1
s d2
The following instruction can go in the dotted squares.
J_RIRD, JP_RIRD, G_RIRD, GP_RIRD
■Executing condition
Instruction
J_RIRD
G_RIRD
JP_RIRD
GP_RIRD
■Argument
Input/output
argument
Input argument
Output argument
Setting Internal device
*1
data
Bit

(s)

(d1)

(d2)
*1 Local devices and file registers per program cannot be used as setting data.
Processing details
This instruction reads data for the specified number of points from the buffer memory of the CC-Link module or the device of
the programmable controller CPU module on the specified station.
5 MODULE DEDICATED INSTRUCTION
98
5.4 Network Dedicated Instruction
G_RIRD
EN ENO
Un* d1
s d2
Executing condition
Name Description
EN Executing condition
Jn* Network number of the host station (1 to 239, 254)
254: Network specified in "Valid module during
other station access"
Un* Start I/O number of the module
(00 to FE: Higher two digits when expressing the I/
O number in three digits)
s Variable that stores control data
ENO Execution result
d1 Start number of the device that stores read data
d2 Variable that turns ON upon completion of the
instruction
d2[1] also turns ON at the time of error completion.
R, ZR
Word



ST
ENO:= (EN, Jn*, s, d1, d2);
J_RIRD
ENO:= (EN, Un*, s, d1, d2);
G_RIRD
J\ U\G
Bit Word



Data type
Bit
ANY16
ANY16
Array of ANY16 [0..4]
Bit
ANY16
Array of bit [0..1]
Zn Constant Others