Delta D25886 User Manual Page 55

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4. Motion Control Instructions
4-14 DVP-MC operating manual
4.4.2. MC_MoveRelative
API
Controller
02
MC_MoveRelative
Move relatively
10MC11T
Explanation of the Instruction:
MC_MoveRelative is applied to control the terminal actuator to move for a given distance with the current
position as the reference point at a given speed, acceleration, deceleration. Once this instruction is aborted in
process of motion, the uncompleted distance left will be ignored and the new instruction will be executed
subsequently.
Explanation of input and output parameter of the instruction:
Parameter
name
Explanation
Data
type
Available
device
Axis The node address of servo drive UINT Constant, D
Execute
This instruction is executed when “Execute” turns Off –>
On.
BOOL
M,I,Q,
Constant
Distance
The target distance for terminal actuator to move with the
current position as the reference point. If the setting is
negative, servo will rotate reversely. Unit: Unit.
REAL Constant, D
Velocity
Running speed of terminal actuator and this parameter is
always positive.(Unit: unit/second)
REAL
Constant, D
Acceleration
Acceleration of terminal actuator and this parameter is
always positive.(Unit: unit/second
2
)
REAL
Constant, D
Deceleration
Deceleration of terminal actuator and this parameter is
always positive.(Unit: unit/second
2
)
REAL Constant, D
Done
When relative position execution is completed,
"Done" turns on; when “Execute” is off, "Done" is reset.
BOOL M,Q
Abort
When this instruction execution is aborted, "Abort" turns
on; when “Execute” is off, "Abort" is reset.
BOOL M,Q
Error
If any error is detected, "Error" turns on; when “Execute”
is off, "Error" is reset.
BOOL M,Q
ErrorID Error code. Please refer to table 5.3. UINT D
Note:
1. When MC_MoveRelative instruction is being executed, “Execute”: rising edge occurs, which does
not impact the execution of the instruction.
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