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Chapter 5. Application instructions
5-112
5.17 Data link instructions
5.17.1 READ
READ
(Read data from
remote station)
FUN(244) READ
Applicable
CPU
K200S
K300S
K1000S
Available Device
Flag
Instructions
M
P
K
L
F
T
C
S
D
#D Integer
Steps
Error
(F110)
Zero
(F111)
Carry
(F112)
O
O O O O O O O
O O
O
O O O O*
O O
O O
O O O O O O O
O O
O
O
READ
O O O O*
O O
O O
13
O
* Available only when do not use computer link module or data link module
1) Functions
-
Reads ‘n2’ words which begin with the address [ S ] of the remote station that has station number
‘St’ through the FUEA module mounted at the slot ‘sl’, and store the read data to the block which
begin with the address [ D ] of the master station. The link status is stored at the address ‘SS’ of the
master station.
READ
St
S
D
n2
Operand setting
Slot number of FUEA module is
mounted
Station number of remote station
to be read data
Start address of master station at
which read data is stored
Start address of remote station at
which data to be read
sl
S
D
n2
D
sl
n2
S
St
SS
sl
SS
Numbers of word to be read
SS
St
Device at which the link status is
stored