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4. Motion Control Instruction
4-82 DVP-MC operating manual
Parameter
name
Explanation
Data
type
Available
device
Abort
"DMC_CapturePosition" instruction is aborted when being
executed, "Abort" bit is on;
When "Execute" is off, "Abort" is reset.
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. Please refer to section 5.3. UINT D
Position
The position captured after execution of the CapturePosition
instruction is completed. Unit: unit
REAL R
Note:
1. When "FirstPos", "LastPos" and "Position" are set via human-computer interface, their value type
should be set as Double Word (Floating).
2. "Execute" bit must turn Off -> On again so as to perform another position capture when position
capture is completed. According to different modes, position capture is performed by triggering of
I0~I7 of the controller or DI7 of servo drive.
3. The hardware wiring figure is shown below for position capture when using I0~I7 of 10MC or DI7 of
the servo drive.
S/S
I0
I1
I2
I3
I4
I5
I6
I7
Out
-
L
+
L Out
VDD
COM+ C O M -DI7
-
+
24V
+
-
CAN Bus
The hardware wiring figure whten usin
g
I0~I7 of 10MC for position capture
The hardware wiring figure when using DI7
of servo drive for position capture
Photoelectric
switch
Photoelectric switch
ASD-CNSCD050
ASD-BM-50A
Note: The “Out”and “-” of the photoelectric switch are conducted when the photoelectric signal
comes.
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