Absolute Positioning - Mitsubishi Electric MELSEC iQ-F Series User Manual

5.5

Absolute Positioning

This instruction performs 1-speed positioning in the absolute method (positioning operation with an absolute address).
Specify the distance (absolute address) from the origin to the target position. In this case, any position can be the start point
(current position).
Address 100
0
Origin
DRVA/DDRVA
This instruction executes 1-speed positioning by absolute address.
Ladder
(s1)
Setting data
■Description, range, data type (DRVA)
• FX5 operand
Operand Description
(s1) Word device number storing the positioning address or
*1
data
(s2) Word device number storing command speed or data
(d1) Axis number from which pulses are output
(d2) Bit device number of the instruction execution complete
flag and abnormal end flag
• FX3 compatible operand
Operand Description
(s1) Word device number storing the positioning address or
*1
data
(s2) Word device number storing command speed or data
(d1) Output bit device number (Y) from which pulses are output
(d2) Bit device number from which rotation direction is output
*1 The positioning address can be changed during positioning operation. (Page 31 Positioning address change during positioning
operation)
*2 Command speed can be changed during positioning operation. (Page 32 Command speed change during positioning operation)
5 POSITIONING INSTRUCTION
86
5.5 Absolute Positioning
Address 150
Address 100
100
Point A
(s2) (d1) (d2)
Address 100
Address 300
Address 100
150
Point B
ST
ENO:=DRVA(EN,s1,s2,d1,d2);
ENO:=DDRVA(EN,s1,s2,d1,d2);
Range
-32768 to +32767
(User system unit)
*2
1 to 65535
(User system unit)
K1 to 4

Range
-32768 to +32767
(User system unit)
*2
1 to 65535
(User system unit)
0 to 3

Address 150
FBD/LD
Data type
16-bit signed binary
16-bit unsigned binary
16-bit unsigned binary
Bit
Data type
16-bit signed binary
16-bit unsigned binary
Bit
Bit
Start point
End point
300
Point C
EN ENO
s1 d2
s2
d1
Data type (label)
ANY16
ANY16
ANY_ELEMENTARY
(WORD)
ANY_BOOL
Data type (label)
ANY16
ANY16
ANY_ELEMENTARY
(BOOL)
ANY_BOOL