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19 CC-LINK INSTRUCTIONS
19.1 Reading Data from the Target Station
■Applicable devices
*1 Index modification is not available.
*2 FX and FY cannot be used.
*3 FD cannot be used.
*4 T, ST, C, and FD cannot be used.
■Control data
*1 When specifying a random accuracy buffer, specify the address with the start of the random accuracy buffer defined as 0.
*2 Specify a value within the capacity of the target station buffer memory area or device.
*3 If data is to be read from a CPU module device if the target station CPU module is other than RCPU, QCPU (Q mode), QCPU (A mode),
LCPU, QnACPU, or AnUCPU, the setting range is 1 to 32 words.
Operand Bit Word Double word Indirect
specification
Constant Others
(U)
X, Y, M, L,
SM, F, B, SB,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(U)
*1
(s)
*3
(d1)
*3
(d2)
*2
*4
Operand: (s)
Device Item Description Setting range Set by
+0 Completion status The completion status is stored upon completion of the instruction.
• 0: Completed successfully
• Other than 0: Completed with an error (error code)
System
+1 Station number Specify the station number of the target station. 0 to 64 User
+2 Access/attribute code Specifies the type of the buffer memory or device from which to read data.
• b8 to b15: Access code
• b0 to b7: Attribute code
Refer to
"Access/attribute
code."
User
+3 Buffer memory address
or device number
Specifies the start address of the buffer memory or the start device from which to
read data.
Refer to the
manual of the
target station.
*1
User
+4 Number of read points Specifies, in units of words, the number of points to be read. 1 to 480
*2
1 to 32
*3
User
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