Installation manual
CNC 8035
4.
MACHINE PARAMETERS
Axis parameters
(SOFT M: V15.3X)
(S
OFT T: V16.3X)
·134·
The following examples show several possibilities. In all of them, the toggling of the velocity
command must be done from the PLC using the SWTCH2 mark.
A. Each axis has its own feedback device.
X axis (main) SWINBACK of the X axis = 0.
Z axis (secondary) SWINBACK of the Z axis = 1.
B. The two axes share the same feedback device. It must be connected to the feedback connector
of the main axis.
X axis (main) SWINBACK of the X axis = 0.
Z axis (secondary) SWINBACK of the Z axis = 0.
JERKLIM (P67)
It defines the derivative of the acceleration. It may be used to limit the acceleration changes to
smooth the machine movements on small speed increments or decrements and with FFGAIN values
close to 100%.
The CNC ignores this parameter when moving with electronic handwheels, mechanical
handwheels, look ahead, threading (G33) and rigid tapping.
The smaller the value assigned to JERKLIM, the smoother the machine’s response, but the acc/
dec time will be longer. When increasing the value of JERKLIM, it decreases the acc/dec time but
the machine response worsens.
Recommended values:
In millimeters JERKLIM = 82*G00FEED / ACCTIME**2
In inches JERKLIM = 2082*G00FEED / ACCTIME**2
Use parameter ACCTIME2 when adjusting the second set of parameters.
Possible values
Between 0 and 99999.9999 m/s
3
.
Default value: 0
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