Emerson Liebert FPC Bedienungsanleitung PDF herunterladen (Seite 37)

Operating Instructions

4.3 Power Monitor Panel

Liebert Power Monitor Panel with Velocity protocol (VPMP) provides input voltage, output current

and voltage and other power parameters and will detect and annunciate alarm messages. The

monitored parameters and alarms will be displayed on the local display and be available for

communication to a customer or Liebert monitoring system.

The VPMP includes a monochrome Liquid Crystal Display (LCD), power and alarm LEDs, an audible

alarm and alarm silence and Emergency Power Off push buttons mounted on the front door.

Display Controls and Indicators

• Power Indicator (Green LED) - illuminates when power has been applied to the Liebert Power

product.

• Alarm Status Indicator (Red LED) - illuminates when the VPMP detects an alarm. The LED

will remain illuminated until the alarm condition is cleared.

• Audible Alarm speaker (represented by the speaker symbol) - a speaker behind the bezel will

sound when the Liebert VPMP records an alarm condition.

• Silence/Reset Push Button - pressing the Silence/Reset button will silence the audible alarm.

Press the button a second time to clear the alarm and turn off the red alarm indicator LED if the

alarm has cleared.

• Emergency Power Off (EPO) Push Button - pressing the EPO button shunt trips the input

circuit breaker to turn the unit off.

• LCD - displays power parameters and alarm data.

• Navigation keys (soft function keys F1 through F4 and Help):

• F1 selects the next Main Breaker or Next Subfeed.

• F2 is the Sequence key. It selects the next set of items at the current level or the next item on

a list.

• F3 can select Subfeed (if supplied and monitored) at the top level or can select a menu item at

a lower level.

• F4 can select Branch a Back function at lower levels.

Pressing the Back key (F4) navigates to the top level (Main) except from the Help screen.

From the Help screen, the Back key navigates to the previous screen.

• Pressing the Help key navigates to the Help screen.

All alarm thresholds for monitored parameters are adjustable by way of the VPMP DB-9 setup port to

match site requirements. All alarms are stored in non-volatile memory to protect against erasure by a

power outage. Alarms must be reset manually after the alarm condition has been corrected. Alarms

may be reset by pushing the Silence/Reset button on the display or through the remote monitoring

system (if used).

The following metering parameters may be displayed:

• Input Voltage, Line-to-Line for all three phases

• Output Voltages, Line-to-Line for all three phases

• Output Voltages, Line-to-Neutral for all three phases

• Output Voltage Total Harmonic Distortion (THD) for all three phases

• Output Current for all three phases

• Output Current Total Harmonic Distortion (THD) for all three phases

• Output Current Crest Factor (Peak/RMS) for all three phases

• Output Current Harmonic K-Factor for all three phases

• Output Neutral Current

• System Ground Current

• Output Frequency

• Output kVA

• Output kW

• Output Power Factor

• Output kW-Hours

• Percent Load

•Date

•Time

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