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19 CC-LINK INSTRUCTIONS
19.3 Reading Data from the Buffer Memory of the Specified Intelligent Device 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 Specify a value within the capacity of the target station buffer memory area.
■Interlock signal
*1 For the interlock signal, refer to the following.
Manual of the intelligent device station from which to read data
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
(s1)
*3
(d1)
*3
(s2)
*3
(d2)
*2
*4
Operand: (s1)
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. 1 to 64 User
+2 Access/attribute code Specifies 0004H. 0004H User
+3 Buffer memory address Specifies the start address of the buffer memory area from which to read data. Refer to the
manual of the
target station.
User
+4 Number of read points Specifies, in units of words, the number of points to be read. 1 to 480
*1
User
Operand: (s2)
Device Item Description Setting
range
Set by
+0 RY: Specifies the number of the completion signal (RY) to be used for
interlock.
*1
00H to 7FH User
+1 RY: Specifies the number of the read request signal (RY) to be used for
interlock.
*1
00H to 7FH User
+2 Dummy Specifies 0. 0 User
0RY
b15 b8 b7 b0
…
…
0
RX
b15 b8 b7 b0
…
…