Siemens 6RA8085-6DS22

Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
417
STW2_BM (control word 2, metal industry)
See function diagram [2426].
Table 10- 11 Description of STW1_BM (control word 1, metal industry)
Bit
Meaning
Interconnection parameter
0
Command data set selection CDS bit 0
p0810 = r2093.0
1 Reserved -
2
Drive data set selection, CDS bit 0
1)
p0820[0] = r2093.2
3
Drive data set selection, CDS bit 1
1)
p0821[0] = r2093.3
4
Reserved
-
5
1 = Bypass ramp-function generator
p50641[0] = r2093.5
6
Reserved
-
7
1 = Speed controller integration value set
p50695[0] = r2093.7
8
1 = Enable droop
p50684[0] = r2093.8
9
1 = Enable speed controller
1)
p0856[0] = r2093.9
10
Reserved
1)
-
11 0 = Speed-controlled mode
1 = Torque-controlled mode
p50687[0] = r2093.11
12
Reserved
1)
-
13
Reserved
1)
-
14
Reserved
1)
-
15
Controller sign-of-life toggle bit
p2081[15] = r2093.15
1)
Interconnection is not disabled.
NSET_A (speed setpoint A (16-bit))
● Speed setpoint with a 16-bit resolution with sign bit.
● Bit 15 determines the sign of the setpoint:
– Bit = 0 → Positive setpoint
– Bit = 1 → Negative setpoint
● The speed is normalized via p2000.
NSET_A = 4000 hex or 16384 dec ≐ speed in p2000