Delta D25886 User Manual Page 74

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4. Motion Control Instructions
DVP-MC operating manual 4-33
4.4.7. MC_PassiveHome
API
Controller
07
MC_PassiveHome
Homing instruction
10MC11T
Explanation of the Instruction:
MC_PassiveHome is applied to control the servo motor to perform the homing action in mode and at the
velocity that axis parameter gives. The homing mode and velocity are set in the interface of axis parameters
setting.
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
Position Offset position of servo zero point, unit: Pulse.
Deceleration
Deceleration of servo drive and this parameter is always
positive.(Unit: Pulse/second2)
REAL Constant, D
Done
“Done” turns on after zero homing is over; “Done” bit is
reset as “Execute” turns off.
BOOL M,Q
Error
If any error is detected, "Error" turns on; when "Execute"
turns off, "Error" is reset.
BOOL M,Q
ErrorID Error code. See section 5.3. UINT D
Note:
1. MC_PassiveHome is a special instruction and the servo could connect the home switch and limit
switches according to the homing mode selected.
2. While MC_PassiveHome instruction is being executed, “Execute”: rising edge occurs, which does not
impact the execution of the instruction.
3. When the deceleration of the instruction is read via human-computer interface, its value type must be
set as Double Word (Floating).
4. Position parameter defines the offset between the mechanical zero point and servo zero point as the
figure below:
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