Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1790

■Applicable devices
Operand Bit
X, Y, M, L,
SM, F, B, SB,
FX, FY
*1
(U) 

(s1)
(s2) 

(d1)
*2

(d2)
*1 Index modification is not available.
*2 FX and FY cannot be used.
*3 FD cannot be used.
*4 T, ST, C, and FD cannot be used.
■Control data
Operand: (s1)
Device Item
+0 Allowable amount of
response data
+1 Completion status
■Request data
Operand: (s2)
Device Item
+0 Request data length
+1 to + Request data
■Response data
Operand: (d1)
Device Item
+0 Response data length
+1 to + Response data
24 C INTELLIGENT FUNCTION MODULE INSTRUCTIONS
1788
24.1 User Function Execution Instruction
Word
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
 
*3
 
*3
 
*3
 
*4
 
Description
Sets the allowable number of words of response data that can be stored in (d1).
The completion status is stored upon completion of the instruction.
• 0: Completed successfully
• Other than 0: Completed with an error (error code)
Description
Specify the request data length. (Number of words)
Specify the request data.
Description
Response data length is stored. (Number of words)
Response data is stored.
Double word
U\G, J\, Z LT, LST,
U3E\(H)G LC
  
  
  
  
  
Indirect Constant
specification
LZ K, H E
   
   
   
   
   
Setting range
1 to 8192

Setting range
1 to 8192

Setting range
0 to 8192

Others
(U)
$
 
 
 
 
 
Set by
User
System
Set by
User
User
Set by
System
System