Fig. 3-193 8738 – Missing enables, line contactor control
- 8738 -
Function diagram
87654321
fp_8738_54_eng.vsd
DO: B_INF
S120/S150/G130/G150
19.06.15 V04.08.00
Basic Infeed - Missing enable signals, line contactor control
+24 V
Control Unit
Line contactor control
From sequencer [8732.4]
T
p0861
Time monitoring
&
F07300
"Line contactor
feedback signal
missing"
[2120]...[2133]
DI
DO
[2130]...[2133]
Line contactor fdbk sig
p0860
Close
line contactor
r0863.1
S3a close line
contactor
S6 open line
contactor
S7 open line
contactor
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]).
Missing enable signals
r0899.12
Line contactor
closed
[8726.3]
[8760.5]
1
p0115[3] (2000.00 μs)
To Line Module
&
1
Operating monitoring
ON/OFF monitoring
0
From line supply
r0046
Missing enable sig
[3020.5]
r0046.0
r0046.1
r0046.8
r0046.16
r0046.17
r0046.26
<1> Only for S120 and G150.
r0046.29
1
2
3
5
6
8
9
16
17
0
Bit No.
1 = OFF1, enable missing
(p0840 = 0 or switching on inhibited is present)
Meaning
1 = OFF2, enable missing (p0844 = 0 or p0845 = 0)
1 = OFF1 internal enable missing
(OFF1 fault response is present)
1 = OFF2 enable internal missing (commissioning selected
p0009 > 0 or p0010 > 0 or OFF2 fault response present)
26 1 = Infeed inactive or not operational
1 = EP terminals, enable missing
(pulse enable EP terminals missing)
29 1 = Cooling unit ready signal missing
<1>
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