1502
15 NETWORK COMMON INSTRUCTIONS
15.1 Link Dedicated Instructions
■Descriptions, ranges, and data types
*1 For the specifications of the string data to be specified, refer to the following.
Page 1452 Specifications of character string data specified by link dedicated instructions
*2 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
■Applicable devices
*1 FX and FY cannot be used.
*2 FD cannot be used.
*3 T, ST, C, and FD cannot be used.
The J(P).ZNRD instruction is executed using the following fixed values in addition to setting data.
• Arrival monitoring time: 10s
• Number of resends: 5
Operand Description Range Data type Data type (label)
(J) Target station network number 1 to 239 16-bit unsigned binary ANY16
(s1) Target station number 1 to 64 16-bit unsigned binary ANY16
(s2) Target station start device where the data to be read is
stored
String
*1
ANYSTRING_SINGLE
*1
(d1) Own station start device for storing the read data
(A continuous area for the read data length is
required.)
Device name ANY16
*2
(n) Read data length ■When the target station is
AnUCPU/QnACPU/QCPU/
LCPU
1 to 230
■When the target station is a
MELSEC-A series CPU
module other than AnUCPU
1 to 32
16-bit unsigned binary ANY16
(d2) Device of the own station, which turns on for one scan
upon completion of the instruction.
When the instruction completes with an error, (d2)+1
also turns on.
Bit ANYBIT_ARRAY
(Number of elements: 2)
EN Execution condition Bit BOOL
ENO Execution result Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
(J)
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 $
(J)
(s1)
*1
*2
(s2)
(d1)
*2
(n)
*1
*2
(d2)
*1
*3
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