Chapter 7 Motion Control Functions
Function of Gear Box #1 (Master E-Gear)
Function of Gear Box #1 (Master E-Gear)
Function
This function defines the relationship of the master axis and
E-Cam axis. When the master axis rotates one revolution, it
does not mean that E-Cam must rotate one revolution as well.
The master E-Gear can be set.
The master E-Gear (electronic gear) will change the resolution
of master pulse command.
Explanation
E-Cam axis is a virtual axis.
When E-Cam axis rotates 360 degrees, it indicates that E-Cam
rotates one revolution also and the slave axis operates one
cycle as well.
The moving unit of the master axis is pulse number. The
resolution is determined by the command source.
Setting Method
P5-83 : M
P5-84 : P
P5-83 and P5-84 is used to set the scaling of command pulse.
After receiving the pulse number P of master axis, the axis of
E-Cam will rotate M cycles. P5-83=M, P5-84=P
P5-83 can be adjusted while engaging.
Function of E-Cam Curve
Function of E-Cam Curve
Function
The E-Cam function defines the relationship of master and
slave axes. The related settings are saved in E-Cam curve.
When E-Cam rotates one revolution, the slave axis operates
one cycle.
Data Storage Location
Data array. The E-Cam curve is stored in the data array. P5-81
notes its start point where P5-82 +1 (720+1, maximum items
of one E-Cam curve) is for its length. P5-85 is the initial point
where the E-Cam engaged.
Data Format
32-bit data with polarity (user unit is PUU)
E-Cam Curve Scaling
P5-19
(-2147.000000 ~
2147.000000)
It is used to magnify or minify E-Cam curve without changing
the setting value of the E-Cam curve.
Each data in E-Cam curve can be multiplied by this
parameter.
Range of P5-19 is:-2147.000000 ~ 2147.000000 with
minimum scale of 0.000001. The change or P5-19 will be put
into enforcement when the E-Cam re-engaged.
E-Cam curve can be a negative scaling. If P5-19 is set to
negative, the result will have a upside down curve compared
to P5-19 is a positive value.
When it is set to 0, E-Cam command will not output (always
be 0).
E-Cam Curve Division N
E-Cam curve can be divided into certain equal N parts (set by
P5-82, N>=5). For example, if N=5, there will be 6 points
recorded in the data array. Each division has 360/N degrees.
720 divisions are maximum number for one curve.
Revision January 2011 7-35
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