Bit Data Interrupt Positioning - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

32-bit data interrupt positioning

DDVIT [For the FX3 compatible operand specification]
This instruction executes interrupt 1-speed constant quantity feed. The high-speed pulse input/output module is not
supported.
Ladder diagram
(s1)
FBD/LD
EN ENO
s1 d2
s2
d1
Setting data
■Descriptions, ranges, and data types
Operand Description
(s1) Positioning address after an interrupt input
(s2) Command speed
(d1) Bit device number (Y) from which pulses are output
(d2) Bit device number from which the rotation direction is output
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S
(s1) 

(s2)

*1

(d1) 
*2

(d2)
*1 Only Y can be used.
*2 When the output mode is CW/CCW, specify the CCW axis. When the output mode is PULSE/SIGN and using Y, only the SIGN output or
general-purpose output of the self-axis can be specified.
*3 T, ST, C cannot be used.
16 POSITIONING INSTRUCTION
850
16.1 Dedicated Instruction (Positioning Function)
(s2) (d1) (d2)
Word
T, ST, C, D, W,
SD, SW, R



*3

Structured text
ENO:=DDVIT(EN,s1,s2,d1,d2);
Range
-2147483648 to +2147483647
1 to 2147483647
0 to 3



Double word Indirect
U\G Z LC
  
  
  
  
Data type
32-bit signed binary
32-bit signed binary
Bit
Bit
Bit
Bit
Constant
specification
LZ K, H
  
  
  
  
Data type (label)
ANY32
ANY32
ANY_ELEMENTARY
(BOOL)
ANY_BOOL
BOOL
BOOL
Others
E $
  
  
  
  