Siemens SINUMERIK 828D Function Manual page 70
Synchronized actions
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- Function manual (1799 pages) ,
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Detailed description
2.7 Actions in synchronized actions
Figure 2-3
Determining the parameters of the
FCTDEF(<Poly_No>,<Lo_Limit>,<Up_Limit>,a
<Poly_No>
<Lo_Limit>
<Up_Limit>
a
:
0
a
1
a
2
a
3
Calculation of the override value:
SYNFCT(<Poly_No>,<SysVar_Out>,<SysVar_In>)
<Poly_No>
<SysVar_Out>
<SysVar_In>
Programming:
Program code
N100 FCTDEF(1, -100, 100, 500, -100)
N110 ID=1 DO SYNFCT(1, $AC_VC[X], $AA_CURR[X])
70
Example: Additive control of path feed
:
= 1 (example)
:
= -100
:
= 100
Polynomial: f(x) = a
1 / 100 = 5 / a
= 100 mm/min / -1 A = -100 [mm/min / A]
= 0 (no square component)
= 0 (no cubic component)
:
= 1
:
$AC_VC
(
:
$AA_CURR (drive actual current value)
function:
FCTDEF
,a
,a
,a
)
0
1
2
3
+ a
x +a
x
+ a
2
0
1
2
⇒ a
= 500
0
0
additive path feedrate override)
Function Manual, 07/2012, 6FC5397-5BP40-3BA0
x
3
3
Synchronized actions
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