11 Programming of Cycles 05.91
11.10 NC-specific functions
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Main group 7/subgroup 1 : Single functions
@710 <Var 1> <Var 2>
This command is required as reference preparation in turning cycle L95 ”Stock removal”.
With this command, a contour programmed in a subroutine is broken down into individual
blocks, the data being stored in R parameters.
The contour element is stored in a total of 8 R parameters, starting at the R parameter
<Var 1> (Rn).
Reference preparation requires a total of 4 R parameters as input data. The first of these
R parameters is defined by <Var 2> (Rm).
The input control parameter (Rm+3) must be set to ”1” before the first call of @ 710.
The first contour element of the subroutine is stored in R parameters, beginning at the
starting point of the contour (Rm +1, Rm +2). This point is not programmed in the sub-
routine. The command @ 710 sets the control parameter to ”0”, so that the values from
the next contour element are loaded each time this command is called. When the
command recognizes ”End of subroutine” (M17), the output control parameter (Rn+7) is
automatically set to ”1”or ”2”.
1. Contour in the subroutine
2. Starting points
3. Control parameter (Rm + 3) = 1
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Prerequisites
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Rm Subroutine number
Rm +1 Starting point X
Rm +2 Starting point Z
Rm +3 Control parameter
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Parameter
< Var 2 >
Rn Starting point X
Rn +1 Starting point Z
Rn +2 End point X
Rn +3 End point Z
Rn +4 Interpolation parameter I
Rn +5 Interpolation parameter K
Rn +6 G function
Rn +7 Control parameter
Rn +7 = 0: Block without M17
Rn +7 = 1: Block with M17
Rn +7 = 2: M17 alone in block
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@710 loads in:
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< Var 1 >
The command @710 must not be
programmed alone in MDA mode.
It must be programmed in a
subroutine.
11–44
© Siemens AG 1991 All Rights Reserved 6ZB5 410-0HD02
SINUMERIK 880, (PG)
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