Siemens SINAMICS S120 - Page 104

Communication via PROFIBUS
Cyclic communication
4-104
E Siemens AG, 2004. All rights reserved
SINAMICS S120 Installation and Start-Up Manual, 12/04 Edition
Table 4-8 Description of STW1 (status word 1), continued
Bit BICOCommentsMeaning
7 Warning active
1 Warning active
The drive is operational again. No
acknowledgement necessary.
The active alarms are stored in the alarm buffer.
BO:
r2139.7
0 No alarm present
No active alarm is present in the alarm buffer.
8
Speed setpoint-
actual deviation within
tolerance range
1 Setpoint-actual value monitoring within tolerance
band
Actual value within a tolerance band; dynamic
overshoot or shortfall permitted for t < t
max
, e.g.
n = n
setp
+
f = f
setp
+, etc.,
t
max
is parameterizable
BO:
r2197.7
0 Setpoint-actual value monitoring not within
tolerance range
9 Control requested
1 Control requested
The programmable logic controller is requested
to assume control. Condition for applications with
isochronous mode: drive synchronized with PLC
system.
BO:
r0899.9
0 Local operation
Control only possible on device
f or n comparison value
1 f or n comparison value reached or exceeded
BO:
f
or
n
comparison
value
reached or exceeded
0 f or n comparison value not reached
BO:
r2199.1
10
Note:
The message is parameterized as follows:
p2141 Threshold value
p2142 Hysteresis
11
I, M or P limit reached or
1 I, M or P limit not reached
BO:
11
I
,
M
or
P
limit
reached
or
exceeded
0 I, M or P limit reached or exceeded
BO:
r1407.7
12
Holding brake closed
1 Holding brake activated
BO:
12 Holding brake closed
0 Holding brake not activated
BO:
r0899.12
13
Motor overtemperature
1 Motor overtemperature alarm active
BO:
13
Motor
overtemperature
alarm
0 Motor overtemperature alarm not active
BO:
r2135.14
14
n act > 0
1 Actual speed value > = 0
BO:
14 n_act >= 0
0 Actual speed value < 0
BO:
r2197.3
1 No alarm present
15
Alarm, Power Module
thermal overload
0 Alarm, Power Module thermal overload
The overtemperature alarm for the Power Module
is active.
BO:
r2135.15