Epson RC170 Guia do Utilizador descarregar pdf (Página 198)

6. The SPEL+ Language

6.17.7 Extracting and setting point coordinates

Use the CX, CY, CZ, CU, CV, and CW commands to get a coordinate of a point or set it.

xcoord = CX(P1)

P2 = XY(xcoord, 200, -20, 0)

ycoord = CY(P*) ' Gets current Y position coordinate

CX(pick) = 25.5

CY(pick) = CY(pick) + 2.3

6.17.8 Alteration of points

There are several ways of modifying a point without re-teaching it. You can change one or

more coordinate values with relative offsets or absolute values.

To set an absolute value for a coordinate, use a colon followed by the axis letter and the

value.

To add a relative offset to a coordinate, use an axis letter followed by the offset value or

expression in parentheses. If the offset is negative, then precede the axis letter with the

minus sign. If parentheses are omitted, they will be automatically added.

Go P1 -Z(20)

Move to P1 with a z offset of -20mm

Go P1 :Z(-25)

Move to P1 with a z absolute position of -25mm

Go P1 -X(20) +Y(50) :Z(-25)

Move to P1 with offsets for X and Y relative

offsets and an absolute position for Z

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Epson RC170 Guia do Utilizador Página 198