Siemens SINAMICS S120 Installation And Start-Up Manual page 105

STW2 (status word 2)
See function diagram [2454].
Table 4-9 Description of STW2 (status word 2)
Bit Meaning
0 DDS eff., bit 0
1 DDS eff., bit 1
2 DDS eff., bit 2
3 DDS eff., bit 3
4 DDS eff., bit 4
5...7 Reserved
8 8 Travel to fixed stop Travel to fixed stop
9
10 Reserved
11
12 Slave sign-of-life bit 0
13 Slave sign-of-life bit 1
14 Slave sign-of-life bit 2
15 Slave sign-of-life bit 3
NACT_A (actual speed value A (16-bit))
S Actual speed value with 16-bit resolution
S The actual speed value is normalized in the same way as the setpoint (see
NSETP_A).
NACT_B (actual speed value B (32-bit))
S Actual speed value with 32-bit resolution
S The actual speed value is normalized in the same way as the setpoint (see
NSETP_B).
Gn_STW (encoder n status word)
Gn_XACT1 (encoder n actual position value 1)
Gn_XACT2 (encoder n actual position value 2)
This process data belongs to the encoder interface and is described in Subsec-
tion 4.3.4.
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Comments
- Drive data set effective (5-bit counter)
For more information about data sets, see
-
Section 7 2 Section 7.2.
-
-
-
- -
1 Travel to fixed stop
0 No travel to fixed stop
- -
-
-
User data integrity (4-bit counter) User data integrity (4 bit counter)
-
-
Communication via PROFIBUS
Cyclic communication
r0051.0
r0051.1
r0051.2
r0051.3
r0051.4
-
BO: BO:
p1406.8
-
Implicitly Implicitly
interconne interconne
cted-
BICO
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