External Connection
4.4.1 Relay Board/Relay Functions
NOTICE
If alarm mode “Communication to controller lost” is active, ALL relays will indicate failure
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| 1 ## (X002) | Mains outside limits | Mains voltage RMS outside limits |
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| Mains wave form (fast detector) outside limits |
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| Mains frequency outside limits |
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| 2 ## (X003) | Bypass outside limits | Bypass voltage RMS outside limits |
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| Bypass wave form (fast detector) outside limits |
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| Bypass frequency outside limits |
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| 3 ## | (X004) | Output outside limits | Output voltage RMS value outside limits |
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| Output wave form (fast detector) outside limits |
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| Output frequency outside limits |
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| 4 | (X005) | System overload | Output load exceeding 100% |
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| Delta inverter current limiter active |
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| Main inverter current limiter active |
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| 5 | (X006) | Fan fault | Blocked or faulty fan |
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| 6 | (X007) | High Equipment | Static switch temperature too high |
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| Temperature or | Main inverter failure (temperature too high or fuse blown) |
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| Inverter Fuse Blown | Delta inverter temperature too high |
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| Magnetic temperature too high |
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| Isolation transformer (option) temperature too high |
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| Battery temperature too high |
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| 7 | (X008) | MCCB battery off | Battery MCCB/Fuse not closed or released |
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| 8 | (X009) | Normal operation | UPS running in normal operation mode(status) |
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| 9 ## (X010) | Battery operation | UPS running in battery operation mode(status) |
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| 10 ## (X011) | Bypass operation | UPS running in bypass operation mode(status) |
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| 11 ## (X012) | UPS in |
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| 12 | (X013) | Service bypass | Service bypass switch active |
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| operation |
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| 13 ## (X014) | Boost charge | UPS |
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| operation |
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| 14 | (X015) | Battery voltage | DC voltage too high (shut down) |
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| outside limits | DC voltage below warning level |
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| DC voltage too low (shut down) |
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| 15 | (X016) | Battery condition | ABM has detected weak battery condition |
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| fault | ABM has detected defect battery |
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| (ABM = Advanced Battery Monitor) |
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| 16 ## (X017) | Common fault | All alarms as mentioned above |
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| (except relays 8+9+10+11) |
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| Internal power supply fault |
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| System locked in operation mode |
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| Internal memory fault |
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| Internal communication fault |
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Installation Guide APC Silcon 480kW 400V UPS | 17 | |||||
