Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1720

■Applicable devices
Operand Bit
X, Y, M, L,
SM, F, B, SB,
FX, FY
*1
(U) 

(s1)
(s2) 
*2

(d)
*1 Index modification is not available.
*2 FX and FY cannot be used.
*3 RD cannot be used.
*4 FD cannot be used.
*5 T, ST, C, and FD cannot be used.
■Control data
Operand: (s1)
Device Item
+0 Dummy
+1 Result of reading
+2 Specified frame number
+3 Allowable number of
bytes
Number of registered
bytes
20 SERIAL COMMUNICATION INSTRUCTIONS
1718
20.14 Reading User Frames
Word
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
*3
 
*4
 
*4
 
*5
 
Description

Used to store the result of sending with the G(P).GETE instruction.
• 0: Normal
• Other than 0: Error (error code)
Specifies the user-registered number.
Specifies the number of bytes storable in (s2), of the registered data of the read user
frame.
Used to store the number of bytes of the registered data of the read user frame.
• 1 to 80: Number of bytes of registered data
Double word
U\G, J\, Z LT, LST,
U3E\(H)G LC
  
  
  
  
Indirect Constant
specification
LZ K, H E
   
   
   
   
Setting range
0

1000 to 1199
1 to 80

Others
(U)
$
 
 
 
 
Set by

System
User
User
System