Decelerate And Stop Type (Zero Point Return) - Mitsubishi Electric M800VW Series Programming Manual

M800V/M80V Series PLC Programming Manual (2/2)
13 Spindle Control
13.10 Spindle Position Control (Spindle/C Axis Control)

13.10.4.3 Decelerate and Stop Type (Zero Point Return)

Method configuration
Item
Decelerate and stop type
Zero point return
Note
(1) When the zero point return type is selected, spindles set to the decelerate and stop type will all be changed to the zero
point return type (default/initial-only).
Detailed operation
Moves to the C-axis command position after returning to the zero point at the Z-phase position due to the output of the first C-
axis move command after changing to the C-axis mode.
Returns to the default zero point after changing to the C-axis mode.
 Parameters for zero point return operation
The zero point return operation is executed with the following parameters.
Item
Zero point return speed
Time constant during acceleration/
deceleration
Direction of zero point return
Zero point shift amount
Direction of zero point shift
(*1) Select which parameter to use with "#1254 set26/bit4" (Reference of zero point shift distance for spindle/C axis).
 Operation when changing to the C-axis mode
(1) Changes to C-axis mode
(2) Executes the zero point return with the first C-axis move command after the mode change.
(3) Moves to the position specified by the C-axis command.
(4) Changes to the C-axis mode again after changing to the spindle mode.
(5) Executes steps 2 and 3.
The G28 command or manual reference position return can be executed before the automatic insertion of the zero point
return at step (2). In this case, the automatic insertion of the zero point return is not performed at step 2.
(1)
M16 (C axis servo-ON)
Speed
*SVFn
RDYn
Parameter
#3106 zrn_typ/bit8=1
#1226 aux10/bit3=1
Parameter
#2026 G28crp
Step
#3106 zrn_typ/bitA, bit9
#2027 G28sft or #3113 cax_sft (*1)
#2030 dir (-)
・・・・
Deceleration stop
(2)
Zero point return
Z-phase
529
G00 C100.
(3)
Positioning (G00 C100.)
Time
IB-1501668-B