Apc SILCON 990-4053 User Manual download pdf (Page 17)

External Connection

990-4053

Installation Guide APC Silcon 480kW 400V UPS 17

4.4.1 Relay Board/Relay Functions

NOTICE

If alarm mode “Communication to controller lost” is active, ALL relays will indicate failure

Relay

Number

Message Alarm-trigging Events

1 ## (X002) Mains outside limits Mains voltage RMS outside limits

Mains wave form (fast detector) outside limits

Mains frequency outside limits

2 ## (X003) Bypass outside limits Bypass voltage RMS outside limits

Bypass wave form (fast detector) outside limits

Bypass frequency outside limits

3 ## (X004) Output outside limits Output voltage RMS value outside limits

Output wave form (fast detector) outside limits

Output frequency outside limits

4 (X005) System overload Output load exceeding 100%

Delta inverter current limiter active

Main inverter current limiter active

5 (X006) Fan fault Blocked or faulty fan

6 (X007) High Equipment

Temperature or

Inverter Fuse Blown

Static switch temperature too high

Main inverter failure (temperature too high or fuse blown)

Delta inverter temperature too high

Magnetic temperature too high

Isolation transformer (option) temperature too high

Battery temperature too high

7 (X008) MCCB battery off Battery MCCB/Fuse not closed or released

8 (X009) Normal operation UPS running in normal operation mode(status)

9 ## (X010) Battery operation UPS running in battery operation mode(status)

10 ## (X011) Bypass operation UPS running in bypass operation mode(status)

11 ## (X012) Stand-by operation UPS in stand-by mode

(Hot stand-by - parallel systems only)

12 (X013) Service bypass

operation

Service bypass switch active

13 ## (X014) Boost charge

operation

UPS boost-charging on battery

14 (X015) Battery voltage

outside limits

DC voltage too high (shut down)

DC voltage below warning level

DC voltage too low (shut down)

15 (X016) Battery condition

fault

ABM has detected weak battery condition

ABM has detected defect battery

(ABM = Advanced Battery Monitor)

16 ## (X017) Common fault All alarms as mentioned above

(except relays 8+9+10+11)

Internal power supply fault

System locked in operation mode

Internal memory fault

Internal communication fault

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 75 76

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Apc SILCON 990-4053 User Manual Page 17

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