Reading Receive Data (For Interrupt Programs) - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Reading receive data (for interrupt programs)

G.BUFRCVS, Z.BUFRCVS
RnPCPU RnPCPU
RnCPU RnENCPU
(Process) (Redundant)
These instructions read receive data from the external device through fixed buffer communications (for interrupt programs).
Ladder
(U) (s) (d)
FBD/LD
EN ENO
U d
s
■Execution condition
Instruction
G.BUFRCVS
Z.BUFRCVS
Setting data
■Description, range, data type
Operand Description
(U) GP.BUFRCVS Start I/O number (first three digits in four-digit
hexadecimal representation) of own station or own
node
ZP.BUFRCVS Start I/O number (first three digits in four-digit
hexadecimal representation) of own station or own
node
(s) Connection No.
(d) Own station start device for storing the receive data
EN Execution condition
ENO Execution result
*1 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
Operand Bit
X, Y, M, L,
SM, F, B,
SB, FX, FY
(U) GP.BUFRCVS 

ZP.BUFRCVS
*1
(s) 

(d)
*1 FX and FY cannot be used.
*2 FD cannot be used.
RnSFCPU RnSFCPU
(Standard) (Safety)
Execution condition
Word
J\ T, ST, C, D, W, U\G, J\,
SD, SW, FD, U3E\(H)G
R, ZR, RD
  
  
*2
  
*2
  
ST
ENO:=G_BUFRCVS(EN,U,s,d);
ENO:=Z_BUFRCVS(EN,U,s,d);
Range Data type
00H to FEH 16-bit unsigned binary
00H to FEH String
1 to 16 16-bit unsigned binary

Device name

Bit

Bit
Double word Indirect
specification
Z LT, LST, LZ
LC
   
   
   
   
16 ETHERNET INSTRUCTIONS
16.3 Fixed Buffer Communications Instructions
16
Data type (label)
ANY16
ANY16_OR_STRING
_SINGLE
ANY16
*1
ANY16
BOOL
BOOL
Constant Others
(U)
K, H E $
   
   
   
   
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