External Connection

Relay Number

Message

Alarm Trigging Events

 

 

 

2 ##

Bypass Outside

Bypass voltage RMS value outside tolerance

(X003)

Tolerance

Bypass wave form (fast detector) outside tolerance

 

 

Bypass frequency outside tolerance

 

 

 

3 ##

Output Outside

Output voltage RMS value outside tolerance

(X004)

Tolerance

Output wave form (fast detector) outside tolerance

 

 

Output frequency outside tolerance

 

 

 

4

System Overload

Output load over 100%

(X005)

 

Delta inverter current limiter active

 

 

Main inverter current limiter active

 

 

 

5 (X006)

Fan Fault

Blocked or faulty fan

 

 

 

6

High Equipment

Static switch temperature too high

(X007)

Temperature or

Main inverter failure (temperature too high or fuse blown)

 

Inverter Fuse Blown

Delta inverter temperature too high

 

 

Magnetics temperature too high

 

 

Isolation transformer optional temperature too high

 

 

Battery temperature too high

 

 

 

7 (X008)

Battery Breaker Box

Battery Breaker Box battery OFF

 

Battery OFF

 

 

 

 

8 (X009)

Normal Operation

UPS running in normal operation (Status)

 

 

 

9 ##

Battery Operation

UPS running in battery operation (Status)

(X010)

 

 

 

 

 

10 ##

Bypass Operation

UPS running in bypass operation (Status)

(X011)

 

 

 

 

 

11 ##

Stand-by Operation

UPS in stand-by mode

(X012)

 

(Hot stand-by, parallel systems only)

 

 

 

12

Service Bypass

Service bypass switch active

(X013)

Operation

 

 

 

 

13 ##

Boost Charge

UPS boost charging on battery

(X014)

Operation

 

 

 

 

14

Battery Voltage Outside

DC voltage too high (shut down)

(X015)

Tolerance

DC voltage under warning level

 

 

DC voltage too low (shut down)

 

 

 

15

Battery Condition Fault

ABM detected battery weak

(X016)

 

ABM detected defective battery

 

 

(ABM = Advanced Battery Monitor)

 

 

 

16 ##

Common Fault

All alarms as mentioned above (except relays

(X017)

 

8+9+10+11)

 

 

Internal power supply fault

 

 

System locked in operation mode

 

 

Internal memory fault

 

 

Internal communication fault

 

 

 

##Delay programmable in XXXXXX stack “Common fault delay”. Settings 0,10,20,30 seconds. See section 5.2: System configuration in this guide.

990-4049

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Installation Guide APC Silcon 240-320kW 480V UPS

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American Power Conversion 240-320kW manual External Connection