Rockwell Automation Samsung NX-CPU700p, User Manual, Page: 97 / 122

97
Communications Control Instructions
Mnemonic Name
Word ladder
symbol
Double word
ladder symbol
Description
READ
Read Data
(from shared
memory of high
performance
module)
Read NR3 words from the module
memory address NR6 of the slot
NN5, and write them to the words
starting from RR1.
WRITE
Write Data
(to shared
memory of high
performance
module)
Read NR3 words from NR5, and
write them to the module memory
address NR2 of slot NN1.
RMRD
Read Remote
Slave Data
(from shared
memory of high
performance
module)
Read NR1 words from the module
memory address NR6 of the slot
NN5 for the station NN4 on the
remote network loop NN3, and
write them in words starting at RR2.
RMWR
Write Remote
Slave Data
(to shared
memory of high
performance
module)
Read NR5 words from the module
memory address NR6, and write
them to the words starting from
NR4 of the slot NN3 in the station
NN2 on the remote network loop
NN1.
RECV
Receive Link
Data Word
Read NR1 words from the module
memory NR6 of the slot NN5 in the
station NN4 on the link network
loop NN3, and write them to the
words starting from RR2.
SEND
Send Link
Data Word
Read NR5 words from the module
memory NR6, and write them to the
module memory starting from NR4
of the slot NN3 in the station NN2
on the link network loop NN1.
RECVB
Receive Link
Data Bit
Read the bit NR6 of the slot NN5 in
the station NN4 on the link network
loop NN3, and write it the bit
register BR1.
SENDB Send Link Data Bit
Write the content of bit NB5 to the
bit NR4 of the slot NN3 in the
station NN2 on the link network
loop NN1.
READ
TO=RR1
SZ=NR3
FR=NN5:NR6
WRITE
TO=NN1:NR2
SZ=NR3
FR=NN5
RMRD
TO=NR1:RR2
NT=NN3:NN4
FR=NN5:NR6
RMWR
NT=NN1:NN2
TO=NN3:NR4
FR=NR5:NR6
RECV
TO=NR1:RR2
NT=NN3:NN4
FR=NN5:NR6
SEND
NT=NN1:NN2
TO=NN3:NR4
FR=NN5:NR6
RECVB
TO=BR1
NT=NN3:NN4
FR=NN5:NR6
SENDB
NT=NN1:NN2
TO=NN3:NR4
FR=NB5