Siemens SINAMICS S120 Manual page 224

Control Units
6.5 CUA32 Control Unit Adapter
Table 6-42 Specification of measuring systems that can be connected
Parameter
High signal level
(TTL bipolar at X220)
Low signal level
(TTL bipolar at X220)
High signal level
(HTL unipolar)
Low signal level
(HTL unipolar)
High signal level
(HTL bipolar)
Low signal level
(HTL bipolar)
High signal level
(SSI bipolar at X220)
Low signal level
(SSI bipolar at X220)
Signal frequency
Edge clearance
Zero pulse (with T = 1/f )
s s
Note
We recommend that bipolar encoders are used.
When using uni-polar encoders, the 15-pin sub D connector should be opened and
jumpered.
The signals that are not used should be connected to ground.
224
Designation Threshold
U
Hdiff
U
Ldiff
U : High
H
Low
U High
L
Low
U
Hdiff
U
Ldiff
U
Hdiff
U
Ldiff
f
S
t
min
Length
Center of the
pulse position
Min. Type
2
-5
17
10
0
0
3
-V
CC
2
-5
-
100
¼ · T
s
50 135
Manual, (GH6), 07/2007 Edition, 6SL3097-2AL00-0BP2
Max. Unit
5 V
-2 V
V V
CC
V V
CC
7 V
2 V
V V
CC
-3 V
5 V
-2 V
500 kHz
- ns
¾ · T
s
220 Degrees
AC Drive