Siemens SINAMICS S120 Manual De Listas página 2354

Enco- Sensor Control Unit
ders Modules
Encoder type selection
0 = No encoder
p0400[E]
Enc_interface
Comp_No.
p0141[E]
Encoder
activate position tracking
Comp_No.
p0142[E]
DRIVE-CLiQ
SMx
<8>
SM characteristics
p0412[E]
r0458
and
p0432[E]/
p0433[E]
Encoder n
<1> For rotary encoders = pulse number setting.
For resolvers = pole pair number setting.
<2> Assignment of the indices: Index [n-1]
Index [0]
Index [1]
Index [2]
<3> For "EnDat encoders", these parameters are read out automatically.
<4> For SIMODRIVE-compatible functions: Set p0418 = 11.
<5> Generating the two's complement.
1 2
DO: ENC, SERVO, VECTOR
Encoder evaluation - Position and temperature sensing, encoders 1 ... 3
Enc Enc
configuration squarewave A/B grid division
p0404[E] p0405[E] p0407[E]
<3> <3>
Measuring gearbox, <4>
Enc fine
Gx_XIST1
p0411.0[E]
2
1
p0418[E]
A
Incr
B
0
x2n
1
Multiplication
A
by hardware
sin/cos
1 signal period
B
1 signal period
Enc fine
Gx_XIST2
p0419[E]
n
x2
(only for absolute value encoders,
e.g. EQN)
[4720.4]
<2> <12>
Encoder n
Enc Gn_STW
[4740.7]
Encoder 1
r0487[n-1]
Encoder 2
<6> Gn_XIST1 is a free-running position value.
Encoder 3
The external control must process the overflows.
<7> The contents of r0483/r2723 are determined by the encoder status word/
control word. Refer to [4720] and [4730].
<8> Interface EnDat or SSI.
3 4
<1>
Configuration, absolute value encoder
Encoder pulse number
(number of signals periods per
Enc Abs enc.
track and encoder revolution) Multiturn
p0408[E] p0421[E]
<3> <3>
1
2
No. of signal
n
2
periods
A
u
31
p
III
dn
n
2
32 bits
B
Free-running position
counter
Load gear, activate position tracking
p2720.0[D]
For SSI encoders: Absolute position information
<9> <11>
0
1
p2721[D]
[4735.7]
and
p2504[D]/p2505[D]
Encoder error
processing
Bit 14-15
<12> Enc Gn_ZSW
[4730.5] r0481[n-1]
5
fp_4704_55_eng.vsd
22.08.18 V05.02.03
Abs enc. Abs enc.
Meas. Step Singleturn
Enc rot clearance NM
p0422[E] p0423[E] p0425[E]
[E]
<3> <3>
n n-1 0
Invert position act value
p0410.1[E]
Fine resolution
(multiplication by
<11>
hardware)
0
32
2 -1
-1 -1
1
0
<5>
<9>
Sequence control
-1
&
-1
To thermal motor monitoring
from encoder n
Function selection
Bit 0-13
F31100...A33905
encoder faults/alarms
Encoder status word p0979[0...25]
Encoder format acc. to PROFIdrive
<9> Only of significance when the "Position control" function
module is activated (r0108.3 = 1) and with encoder 1.
<10> Updated in each DRIVE-CLiQ basic cycle.
<11> Not for DO ENC.
<12> DO ENC only encoder 1 acc. Index = 0.
6 7
Function diagram
SINAMICS S120/S150
PROFIdrive sampling time
<11>
The encoder data set
changeover is shown
at [8570].
To speed
sensing
[4710.1]
Diag Gn_XIST1
<10>
r0479[n-1]
Dir of rot
[3090.1]
p1821[D]
[4710.1]
[4711.1]
<2> <6> <12>
Enc Gn_XIST1
0
r0482[n-1]
1
[3090.1], [4010.1],
[4735.6], [4740.6]
<11>
<2> <7> <9> <12>
Load gear abs_val
0
r2723[n-1]
1
[4010.1]
Dir of rot
p1821[D]
<11>
<2> <7> <12>
Enc Gn_XIST2
0
r0483[n-1]
1
[4010.1]
[8016.1] <11>
<12>
[4730.1]
<12>
8
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