5. Operation and performance
24
PLM+ SERIES Operation Manual rev 3.0.1
5.3.12. Power supply protection
The power supply is very advanced and has several internal control and monitoring functions. Should any of these
fail, the power supply will shut down to prevent damage or limit severity of the failure. Power supply faults, or
power supply needs service faults, are indicated by flashing red on the frame LEDs and a corresponding text
description on the front panel, in Lake Controller and CAFÉ software programs. Refer to section 9.1 for more
information on warnings and faults.
In the extreme event of simultaneous low mains voltage supply and high power demand, the amount of incoming
supply will then be forced to shut down. This
condition is a power protect fault, indicated with a red LED and associated error messages registered in Lake
Controller and CAFÉ software programs.
5.3.13. Mains anomaly protection
AC mains service.
Over–voltage
– If the power supply detects mains voltage above 400 V peak or 270 V RMS, it will enter protective
Under–voltage
– If the power supply detects mains voltage of less than 65 V, it will enter protective shut down
Mains instability
– If the power supply detects protracted instability in the AC mains, it will enter protective shut
Mains glitch
– If the power supply detects a momentary mains glitch (missing cycles) at the AC inlet, a warning
indication will be reported with flashing yellow on the frame LEDs and a corresponding text description on the
front panel, in Lake Controller and CAFÉ software programs. The powers supply and product continue operation
throughout a mains glitch.
5.4. Power Supply
The R.SMPS (Regulated Switch Mode Power Supply) is designed to keep supply voltage rails at optimum levels.
Thus the R.SMPS can deliver full rail voltage to the output sta
consistent transient response and a clean LF response.
The PLM+ features a universal power supply with power factor correction (PFC). The device can accept any mains
current peaks on the lines and reduces the requirements placed on the mains distribution system. PLM+ units offer
an unparalleled power factor extremely close to one.
shut down mode. The amplifier will auto-restart if the condition clears. Will be indicated by flashing red on the frame
LEDs and a corresponding text description on the front panel, in Lake Controller and CAFÉ software programs.
Refer to section 9.1 for more information on warnings and faults.
mode. The amplifier will auto-restart if the condition clears. Will be indicated by flashing red on the frame LEDs
and a corresponding text description on the front panel, in Lake Controller and CAFÉ software programs.
Refer to section 9.1 for more information on warnings and faults.
down mode. The amplifier will auto-restart if the condition clears. Will be indicated by flashing red on the frame LEDs
and a corresponding text description on the front panel, in Lake Controller and CAFÉ software programs.
Refer to section 9.1 for more information on warnings and faults.
Power protect
– In the extreme event of simultaneous low mains voltage supply and high power demand, the
amount of incoming energy may not be sufficient for continued operation. The power supply will then be forced to
shut down. This condition is a power protect fault, indicated with flashing red on the frame LEDs and a corresponding
text description on the front panel, in Lake Controller and CAFÉ software programs. Refer to section 9.1 for more
information on warnings and faults.