Status Description Based on Source Selection
U-U Application
If U-U application is selected, then both Source I and Source II indicator (LED) will have two status:
-
ON (OK)
-
Blink (Out of Range)
|
LED Indication |
Status Description |
|---|---|
|
LED ON (on both sources) |
Source present and in the range The display will show OK and LED be ON |
|
LED Blinking (on N source) |
When there is power contingency. The display will show the SI status(Out Range) and current application mode.( vice versa for SII) |
U-G Application
If U-G application is selected, then Source II/Source I (the one connect to Genset) will have three status:
-
ON (OK)
-
Blink (Out of Range)
-
OFF if the Genset start signal (need accessory TPCDIO17) is not active
|
LED Indication |
Status Description |
|---|---|
|
LED OFF (on Source A) LED ON (on Source N) |
Genset (for example, SII) start signal is not active The display will show OFF |
|
LED Blinking (on Source A and Source N) |
Genset(SII, e.g.)start signal is sent out, genset is activating but not ready. The display will show Out Range |
|
LED ON (on both sources) LED Blinking (on both Source A) |
Genset is running and in range, load is on SII. The display will show ON on SI and ON on SII |
The table below explains the status and their occurrences:
|
Status |
Occurrences |
|---|---|
|
OFF |
The status is OFF, when the detected source is genset and the gen start signal is not sent. |
|
OK |
The status is OK, when all the enabled detection related to this source are in range. |
|
Out Range |
The status is Out Range, when any enabled detection related to this source are out of range. |
The number of possible values depends on the source setting and transfer status:
| If... | Then... |
|---|---|
| the source is a Utility source | two possible values are OK and Out Range. |
| the source is a Genset source | three possible values are OK, Out Range and OFF when genset start singal not sent, out of range when genset is starting or enabled detection related to genset is not in range. |