Schneider Electric Xantrex XW Manual de usuario descargar pdf (Pagina 8)

Software Release Notes

8 975-0604-01-01 Revision A

16. Changed AC coupling frequency push limits down to -5Hz.

17. Made phase_error and period_error limits to be configurable via "sync" cmd.

Defaults updated to phase=6(12°), period=250(≈ 2%).

Syntax:

SYNC return the latest readings and current limits

SYNC S # # is a number between 3 and 20. set the new phase limit

SYNC D # # is a number between 15 and 1500. set the new period limit

18. Changes made so that reconfigured AC output voltage is saved after DC

power cycle.

19. Fixed an issue where a unit may be unable to come back on after powering off

through pressing the power button. This issue only happens in multi-unit

setups where the other unit(s) is supplying the Xantrex Xanbus network power.

865-1010 (Xantrex XW4024-NA)

865-1010.01_04_00.BN0002

Build number range: 1.0.0BN18 — 1.4.0BN2

Time range: Sept 13, 2007 — Sept 25, 2008

1. Changed Line-to-Neutral Over Voltage reconnect voltage to 127.2 V (in Sell

mode).

2. Widened operating frequency range to 59.3-60.5 Hz (in Sell mode).

3. Started to use local time for all activities except logging where UTC is still

used.

4. Modified multi-unit AC qualification so that the master temporarily changes its

preferred AC source to allow transfer to the other source if all system units

have the potential to qualify the other source and one or more units cannot

qualify the preferred source.

5. Added RPO (Remote Power Off) and NLVD (No Load Voltage Derating)

features.

6. Addressed an issue where an overloaded 3 phase system could cause cross

talk on the other side of an open relay. This phantom signal was detected and

misinterpreted as a real signal. When this signal was analyzed the system

would interpret it as an AC source that was mis-wired (phase B where phase C

should have been). This mis-interpretation causes the unit to issue a F70, or a

phase configuration fault. To fix this problem, the code that caused the phase

configuration fault was adjusted to determine if the signal was real, by

ensuring that its magnitude was greater than the AC qualification threshold.

7. Changed the DC Over Voltage fault to be a power conversion fault, so that the

invert state cannot be engaged when the fault is active.

8. Fixed bug with the equalization functionality. Ensured that this functionality

was blocked in the case that the user had disabled the charger.

9. Fixed multi-unit load staggering problem, so that only one slave unit turns on

when there is a load that exceeds 60% of the rated load. Before, all slave units

would turn on but the extra unit eventually turns off.

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Schneider Electric Xantrex XW Manual de usuario Pagina 8

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