Mitsubishi Electric MELSEC iQ-R Series - Reading the Data Send;Receive Status

1694
20 SERIAL COMMUNICATION INSTRUCTIONS
20.7 Reading the Data Send/Receive Status
20.7 Reading the Data Send/Receive Status
G(P).SPBUSY
These instructions read the send/receive status of data using the instruction.
■Execution condition
Setting data
■Description, range, data type
■Applicable devices
*1 Index modification is not available.
*2 FD cannot be used.
Ladder ST
ENO:=G_SPBUSY(EN,U,d);
ENO:=GP_SPBUSY(EN,U,d);
FBD/LD
Instruction Execution condition
G.SPBUSY
GP.SPBUSY
Operand Description Range Data type Data type (label)
(U) Start I/O number (first three digits in four-digit hexadecimal
representation) of a module
00H to FEH 16-bit unsigned binary ANY16
(d) Start device for storing the read communication status  Device name ANY16
EN Execution condition  Bit BOOL
ENO Execution result  Bit BOOL
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
  
(d) 
*2

RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(U) (d)
EN ENO
Ud