Protect PV.500_MH Operating Instructions
CAN I/O monitoring systems
Fault/Message | Deac- | Self- | Signalling | DOU message |
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Feedback signal |
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| X | Q4.x: !Switch feedback fault! |
DC load interrupter switch Q4.1 |
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Switch position Q4.1 |
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| X | Q4.x: Switch open |
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Feedback signal |
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| X | K21: !Switch feedback fault! |
K21 earthing PV cells |
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Monitoring |
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| X | !Miniature circuit breaker tripped! |
F21 earthing circuit breaker |
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Monitoring |
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| X | !Overvoltage protection tripped! |
F81 surge voltage arrester DC |
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input |
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Monitoring |
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| X | !Insulation monitor warning! |
insulation monitor level 1 |
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Monitoring |
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| X | !Insulation monitor alarm! |
insulation monitor level 2 |
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Monitoring mains voltage |
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| X | !Auxiliary power supply – mains |
auxiliary power supply mains 2 |
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| failed! |
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Monitoring |
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| X | F83/84: !Miniature circuit breaker |
F83/F84 surge voltage arrester AC |
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| tripped! |
– |
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Monitoring |
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| X | F60: !Miniature circuit breaker |
F60 auxiliary power supply mains 2 |
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| tripped! |
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Monitoring |
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| X | F61: !Miniature circuit breaker |
F61 independent power supply |
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| tripped! |
mains 1 |
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Monitoring |
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| X | Q26: Switch open |
Q26 AC mains disconnector |
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Monitoring |
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| X | !Unit cabinet door open! |
unit cabinet door |
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Monitoring communication CAN |
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| X | !Communication fault with I/O |
I/O AC cabinet |
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| control! |
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Monitoring communication CAN |
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| X | !Communication fault with I/O |
I/O DC cabinet |
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| control! |
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Monitoring | X |
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| #I/O parameter error# |
CAN I/O parameters |
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80000043212 BAL | 39 of 68 |