Positioning User Manual
25
1.7.4
Control Code
The Control Code for the position data of X Axis is listed in the table below.
Instruction
Code
Symbol
Function
Remark
Hex
Dec
END
00H
0
-
End of position data
Terminates continuous control
Operation
Command
01H
1
ABS
Absolute position control
05H
5
INC
Incremental position control
09H
9
FEED
Incremental position control
after resetting address
13H
19
FSC
Speed control (Forward)
17H
23
RSC
Speed control (Backward)
80H
128
NOP
No operation
Program
Control
Command
81H
129
JUMP
Force to change next step No.
Next step set value is stored in
‘target position address’
82H
130
LOOP
The first step of loop
Loop count is stored in ‘target
position address’
83H
131
LEND
The last step of loop
84H
132
POS
Force to change the current
position address
New address is stored in ‘target
position address’
a)
ABS (Absolute Coordinate)
1)
Position control by absolute coordinate is performed based on the address designated in
the origin point address. Object moves from start address to target address.
2)
Direction of movement is determined by the sign (+, -) and pulse output method of the
movement amount.
Pulse Output Method: High Active Mode
When the movement direction is plus (+): Forward Positioning
When the movement direction is minus (-): Backward Positioning
Pulse Output Method: Low Active Mode
When the movement direction is plus (+): Backward Positioning
When the movement direction is minus (-): Forward Positioning
*For instance,
If the start address is ‘1000’ and the target address is ‘5000,’ the PLC-S moves forward and stops at
‘5000.’ The overall movement amount is ‘5000 – 1000 = 4,000.’
