16 ETHERNET INSTRUCTIONS
16.3 Fixed Buffer Communications Instructions
1555
16
■
Applicable devices
*1 FX and FY cannot be used.
*2 FD cannot be used.
*3 T, ST, C, and FD cannot be used.
■
Control data
■
Receive data
*1 This setting range is applicable when the network type is "Q-compatible Ethernet".
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)
GP.BUFRCV
ZP.BUFRCV
(s1)
(s2)
(d1)
(d2)
Operand: (s2)
Device
Item
Description
Setting range
Set by
+0
System area
+1
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
Operand: (d1)
Device
Item
Description
Setting range
Set by
+0
Receive data length
The length of the data read from the fixed buffer
receive data area is stored.
(The data length is represented in words or bytes
according to the procedure of fixed buffer
communications.)
With procedure (binary):
Number of words
1 to 5113
(1 to 1017)
System
With procedure (ASCII):
Number of words
1 to 2556
(1 to 508)
Without procedure (binary):
Number of bytes
1 to 10238
(1 to 2046)
+1 to +
Receive data
The data read from the fixed buffer receive data areas is stored sequentially in
ascending order of addresses.
System
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......