NOVA electronics Inc. MCX514 -
146
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146
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3.10.1 Execution Procedure
The execution procedure of multiple axes linear interpolation by using multiple IC chips is as follows.
(1) Designation of multichip main/sub and interpolation axis
It specifies the main or sub chip and the execution axis of interpolation in each chip by interpolation mode setting command (2Ah).
Set the prescribed bit of WR6 register, and interpolation mode setting command will be executed by writing the command code
2Ah to WR0 register. Please set other bits of WR6 register corresponding to interpolation mode as needed.
Use D10, 11 bits (MLT0, 1) to specify the main or sub chip.
Table 3.10-2 Designation of Chip for Multichip Interpolation
D11(MLT1)
D10(MLT0)
Designation of Main / Sub chip
0
0
Not perform multichip interpolation
0
1
Perform multichip interpolation as main chip
1
0
Perform multichip interpolation as sub chip
1
1
Invalid (cannot be set)
Use D3
~
D0 bits of WR6 register to specify the execution axis of interpolation in each chip. When set 1 to the corresponding bit,
it is enabled as interpolation axis.
Table 3.10-3 Designation of Axis for Multichip Interpolation
Bit of WR6
Interpolation Axis
D0(X-EN)
X
0
:
Disable interpolation
D1(Y-EN)
Y
1
:
Enable interpolation
D2(Z-EN)
Z
D3(U-EN)
U
In multichip interpolation, the user can also specify 1 axis only.
[Note]
•
In multichip interpolation, short axis pulse equalization mode cannot be used. Be sure to set D8bit to 1..
(2) Speed parameter setting for the main axis of the main chip
It sets the speed parameters to the main axis of the main chip for interpolation driving. There is no need to set to other
interpolation axes of the main and sub chips. The following parameters must be set to the main axis of the main chip based on the
acceleration/deceleration.
Table 3.10-4 Speed Parameters for the Main Axis of Main Chip
○
: need to set
Acceleration/Deceleration
Speed parameters for the main axis of main chip
Jerk
Acceleration
Deceleration
Initial Speed
Drive Speed
Costant speed driving
○
○
Trapezoidal driving
○
○
○
Non-symmetry trapezoidal driving
○
○
○
○
S-curve symmetry driving
○
○
○
○
X-EN
D7
D6
D5
D4
H
L
D15
D14
D13
D12
D11
D10
D9
D8
D3
D2
D1
D0
WR6
Y-EN
Z-EN
U-EN
CXIV
0
SPD0
SPD1
LMDF
STEP
MLT0
MLT1
MAXM
0
INTA
INTB
Designation of Main/Sub
Designation of interpolation axis