Siemens SINAMICS S120 Function Manual page 367

Bit Meaning
12 Holding brake open
13 No motor overtemperature alarm
14 n_act >= 0
15 Alarm, drive converter thermal
overload
STW1 (status word 1), positioning mode, p0108.4 = 1
See function diagram [2479]
Table 10-12 Description of STW1 (status word 1, positioning mode)
Bit Meaning
0 Ready to power-up
1 Ready to run
2 Operation enabled
3 Fault active
4 Coasting active (OFF2)
5 Fast stop active (OFF3)
Drive Functions
Function Manual, (FH1), 07/2007 Edition, 6SL3097-2AB00-0BP4
Comments
1 Holding brake open
0 Holding brake closed
1 Motor overtemperature alarm not active
0 Motor overtemperature alarm active
1 Actual speed > = 0
0 Actual speed < 0
1 No alarm present
0 Alarm, converter thermal overload
The overtemperature alarm for the converter is
active.
Comments
1 Ready to start
Power supply on, electronics initialized, line
contactor released if necessary, pulses inhibited.
0 Not ready to start
1 Ready to operate
Voltage at Line Module (i.e. line contactor closed (if
used)), field being built up.
0 Not ready to operate
Reason: No ON command has been issued.
1 Operation enabled
Enable electronics and pulses, then ramp up to
active setpoint.
0 Operation inhibited
1 Fault active
The drive is faulty and, therefore, out of service.
The drive switches to Power-on inhibit once the
fault has been acknowledged and the cause has
been remedied.
The active faults are stored in the fault buffer.
0 No fault present
No active fault in the fault buffer.
1 No OFF2 active
0 Coasting active (OFF2)
An OFF2 command is present.
1 No OFF3 active
0 Fast stop active (OFF3)
An OFF3 command is present.
Communication PROFIBUS DP/PROFINET IO
10.1 Communications according to PROFIdrive
BICO
BO: r0899.12
BO: r2135.14
(inverted)
BO: r2197.3
BO: r2135.15
(inverted)
BICO
BO: r0899.0
BO: r0899.1
BO: r0899.2
BO: r2193.3
BO: r0899.4
BO: r0899.5
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