Siemens SINAMICS S120 Manual De Listas página 2361

Measuring probe evaluation
This function is provided once for each of
the maximum 3 encoders.
<7>
"Fast inputs"
p0490.9
(no measuring probe
0
1
1
p0490.11
0
1
1
From the
p0490.14
digital
inputs/
outputs
0
1
1
p0490.8
0
1
1
1 2
DO: ENC, SERVO, VECTOR
Encoder evaluation - Measuring probe evaluation, measured value memory, encoders 1 ... 3
Activate selected function
STW for encoder n
<7>
Gn_STW [4720]
r0487[n-1].0
r0487[n-1].1
r0487[n-1].2
r0487[n-1].3
r0487[n-1].4
&
r0487[n-1].7
D memory element (flip-flop)
<3>
for encoder n) 0
Measuring probe 1 input
0
0...8
p0488[n-1] (0)
1
p0490.10
0
0
1
2
1
2
1
3
4
5
3
p0490.13
6
7
0 8
4
1
1
Measuring probe 2 input
0...8
p0489[n-1] (0)
5
p0490.15
x=
0
1
0
6
2
1
1
3
4
5
7
6
p0490.12
7
8
0
8
1
Measuring probe 2 deflected
1
to Gn_ZSW9 [4730.2]
3 4
Selecting the function to be activated
Position actual value 1
from encoder n
Store r0482[n-1]
D D D D
Q Q Q Q
<7>
<7>
<1> Up to 4 measuring functions can be
simultneously active; the measured value
memory is read out using a handshaking
technique according to [4720], [4730].
<2> Index [n-1] encoder n (n = 1, 2, 3)
Index [0] encoder 1
Index [1] encoder 2
Index [2] encoder 3
5 6
fp_4740_55_eng.vsd
22.08.18 V05.02.03
PROFIdrive sampling time
<7>
[4704.8]
<1>
4 measured value memory
<7>
x y
&
Store
<7>
x y
&
Store
<7>
x y
&
Store
<7>
x y
&
Store
<3> All other bits in the encoder control word must be 0.
<4> Measuring probe inputs from CU310-2.
<5> Measuring probe inputs from CU320-2.
<6> Measuring probe inputs from CU_CX32-2.
<7> DO ENC only encoder 1 acc. Index = 0.
7
Function diagram
SINAMICS S120/S150
Measuring
probes
positions to
the encoder
interface
[4704.3]
8
- 4740 -