Siemens SINAMICS S Manuel page 1201

Missing enable signals
Missing enable signals that prevent the drive going into operation
(this situation can be detected at the ZSW sequence control, infeed r0899.2 = 1 [8726]).
Bit No. Meaning
1 = OFF1, enable missing (p0840 = 0 or power-on inhibit
0
is present)
1 1 = OFF2, enable missing (p0844 = 0 or p0845 = 0)
2
3
5
6
8
9
1 = OFF1 internal enable missing (OFF1 fault response is
16
1 = OFF2 enable internal missing (commissioning selected
17
p0009 > 0 or p0010 > 0 or OFF2 fault response present)
26 1 = Infeed inactive or not operational
1 2
DO: B_INF
Basic Infeed – missing enable signals, line contactor control
Line contactor control
r0046
From sequence control [8732.4]
S7 open line
contactor
S6 open line
contactor
S3a close line
contactor
r0899.12
Line contactor
closed
[8726.3]
present)
3 4
p0115[3] (2000.00 µs)
Control Unit
Close
line contactor
DO
r0863.1
[8964.6] [2130]...[2133]
Line contactor fdbk sig
p0860
1
[2120]...[2133]
ON/OFF monitoring
p0861
F07300
T 0
"Line contactor feedback
1
signal missing"
Time monitoring
Operating monitoring
&
&
5 6
fp_8734_01_eng.vsd
14.12.05 V02.04.00
From line supply
+24 V
DI
To Line module
7
Function diagram
SINAMICS S
8
- 8734 -