Siemens sinamics dcp, Manual

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3
F
unction
d
iag
ram
s
3.2
E
xp
lana
tio
n
s on the fun
ction
diag
ra
ms
SINAMICS
D
C
P
31
6
List Manual (LH21
), 05/201
6
F
ig.
3
-3
10
22 – Explan
ation of th
e
symbo
ls
(p
art
3)
fp_1022_89.vsd
1 2 3 4 5 6 7 8
SINAMICS DCP
03.06.2014 v 1.2
DO: All Objects
- Explanation of the symbols (part 3)
Function diagram
x y
pxxxx
t
y
pxxxx
pxxxx
x y
x
T T T T
y
T T
x
y
x
T T
y
T
1
T
1
T
2
T
2
0 T
0 T
x y
pxxxx
pxxxx
x y
0 T
0 T
x y
pxxxx
pxxxx
x y
T1 T2
T1 T2
pxxxx
pxxxx
Digital signal x must retain the value "1" without interruption during time
T, before output y switches to "1".
Digital signal x must retain the value "0" without interruption during time
T, before output y switches to "0".
First-order delay element.
pxxxx = Time constant
Digital signal x must retain the value "1" without interruption during
time T1 or the value "0" during time T2, before output y switches its
signal state.
x y
The rising edge of a pulse at input X sets output Y to
1 for pulse duration T. The pulse generator
cannot be retriggered. At T=0, a pulse duration of one cycle applies.
pyyyy