YASKAWA YASNAC J50 Connecting Manual page 146

20.2.8 RAPID FEEDRATE OVERRIDE (ROV1 , ROV2)
INPUT
These input are for determining the rapid feedrates, i.e., the posi-
tioning speed when executing programs in the automatic operation
modes, and the motion speed in the manual jog mode when the RT
input contact is closed.
Table 20.4
=-l=
x-
axis
r
cl-
axis
1
0
1
0
1
1
0
0
#6280 #6280
#6280
Setting Setting x *
Setting x ~
speed speed
speed
#6281
#6281 . #6281 .
Setting
Setting x* Setting x ~
#6231
speed
speed
speed
Setting
Wspeed
Setting Setting x ~ Setting x ~
speed speed speed
1: Closed, O:
Open
20.2.9 REFERENCE POINT RETURN CONTROL 1/0
SIGNALS (ZRN, XDECX, xDECZ, xDECU, xZPX,
ZPY, zPa)
These are input and output signals for bringing the machine to the
machine reference point upon the energization of the control.
The following reference point return methods are available.
(1) Grid Method
After turning on the power supply, when the manual jog mode
is turned on , and the manual reference point return input
contact ZRN is closed, the direction of axis motion set by
parameter (DO, D1, D2, D3) will result in the reference point
return motion as shown below. (The same applies to the
execution of G28 in the automatic operation modes. )
SPEED
RAPID TRAVERSE RATE
(#62S0, #6261, #62S2, #62S3)
,/
APPROACH SPEED 1
(#63~0, #6311, #6312, #6313)
-2,630
I
I
I II
DECEL LS SIGNAL
(* OECX, * DECY, * DECZ,
~..- ~,=rJ p:~j"~~~
Fig 20.4
When once the machine is turned to the reference point in high-
speed reference point return (automatic, return), the return motion,
thereafter will be in the positioning motion to the determined
reference point. See Fig. 20.5.
RAPID TRAVERSE
SPEED
( # 6280, #6281, # 6282, # 6283)
//
SPEED
Y SEQUENCE
Fig. 20.5 Reference Point Return Motion
after First Power ON
(2) X, Y, Z
and Reference Points (ZPX, ZPY, ZPZ, ZPct) Output
While the machine is remaining at the reference point after the
reference point return motion or positioning to the reference
point, the ZPX, ZPY, ZPZ and ZPrx output contacts are closed.
If the actual position is within *3 pulses from the reference
point due to the use of metric input in the inch output system or
the use of inch input in the metric output system, the ZPX, ZPY,
ZPZ and ZP(Xoutput contacts are closed.
(3) 2nd Reference Point (2ZPX, 2ZPY, 2ZPZ, 2ZPrx) Output
When the machine has been positioned to the 2nd reference
point by the execution of the part program command G30 in the
auto-matic operation mode, the 2ZPX, 2ZPY, 2ZPZ and 2ZPa
output reays are closed, and remain closed as long as the
machine remains at this point. The end reference point is
defined by the distance from the reference point as set by
parameters (#6612, #6613, #6614, #6615).
(4)
3rd Reference Point (3ZPX, 3ZPY, 3ZPZ, 3ZPrx) Output
When the machine has been positioned to the 3rd reference
point by the execution of the part program command G30P3 in
the automatic operation mode, the 3ZPX, 3ZPZ and 3ZPcx
output relays are closed. The 3rd reference point is defined by
the distance from the reference point as set by parameters
(#6618, #6619, #6620, #6621).
(5) 4th
Reference Point (4ZPX, 4ZPY, 4ZPZ, 4ZPCX)Output
When the machine has been positioned to the 4th reference
point by the execution of the part program command G30P4 in
the automatic operation mode, the 4ZPX, 4ZPY, 4ZPZ and
4zPrx output relays are closed. The 4th reference point is
defined by the distance from the reference point as set by
parameters (#6624, #6625, #6626, #6627).