GE Pqm 2 Manual

PQMII POWER QUALITY METER  – INSTRUCTION MANUAL3–1
PQMII Power Quality Meter
Chapter 3: Operation
Digital Energy
Op er ation
3.1 Front Panel and Display
3.1.1 Front Panel
The local operator interface for setpoint entry and monitoring of measured values is 
through the front panel as shown in the f igure below. Control keys are used to select the 
appropriate message for entering setpoints or displaying measured values. Alarm and 
status messages are automatically displayed when required. Indicator LEDs...

3–2PQMII POWER QUALITY METER  – INSTRUCTION MANUAL
CHAPTER 3: OPERATION
3.2 LED Indicators
3.2.1 Description
The LED status indicators provide a quick indication of the overall status of the PQMII. 
These indicators illuminate if an alarm is present , if setpoint access is enabled, if the PQMII 
is in simulation mode, or if there is a problem with the PQMII itself.
FIGURE 3–2: LED Indicators
3.2.2 Status
•Alarm: When an alarm condition exists, the Alarm LED indicator will flash.
•Program: The Program LED...

CHAPTER 3: OPERATION
PQMII POWER QUALITY METER  – INSTRUCTION MANUAL3–3
•TX2: The PQMII is transmitting information via the COM2 RS485 communications 
port when lit .
•RX2: The PQMII is receiving information via the COM2 RS485 communications port 
when lit .
3.2.4 Relays
The status of the output relays is displayed with these LED indicators.
•Alarm: The Alarm relay is intended for general purpose alarm outputs. This 
indicator will be on while the Alarm relay is operating. When the condition clears, 
the...

3–4PQMII POWER QUALITY METER  – INSTRUCTION MANUAL
CHAPTER 3: OPERATION
3.3 Keypad
3.3.1 Description
The front panel keypad allows direct access to PQMII functionality. The keys are used to 
navigate through message pages, allowing the user to modify settings and view actual 
values from the device location.
3.3.2 Menu Key
Setpoints and actual values are arranged into two distinct groups of messages. The MENU 
key selects the main setpoints or actual values page. Pressing 
MENU while in the middle of 
a...

CHAPTER 3: OPERATION
PQMII POWER QUALITY METER  – INSTRUCTION MANUAL3–5
The RESET key, along with the ENTER key, is also used to remove user def ined default 
messages. Refer to 3.4: Default Messages further details.
3.3.6 Message Keys
Use the MESSAGE keys to move between message groups within a page. The MESSAGE 
DOWN
 key moves toward the end of the page and the MESSAGE UP key moves toward the 
beginning of the page. A page header message will appear at the beginning of each page 
and a page footer...

3–6PQMII POWER QUALITY METER  – INSTRUCTION MANUAL
CHAPTER 3: OPERATION
FIGURE 3–3: Message Key Operation
3.3.7 Value Keys
Setpoint values are entered using the VA L U E keys. When a setpoint is displayed calling for 
a yes/no response, each time a 
VA L U E key is pressed, the “Yes” becomes a “No,” or the 
“No” becomes a “Yes.” Similarly, for multiple choice selections, each time a 
VA L U E key is 
pressed, the next choice is displayed. When numeric values are displayed, each time 
VALUE UP is pressed,...

CHAPTER 3: OPERATION
PQMII POWER QUALITY METER  – INSTRUCTION MANUAL3–7
Press the MESSAGE keys when displaying a subgroup to access messages within that 
subgroup. Otherwise select the 
MESSAGE keys to display the next subgroup.
FIGURE 3–4: Message Hierarchy Example
•Computer Entry: When running the EnerVista PQMII Setup Software, setpoint values 
are accessed through the menu bar and displayed in a series of windows. See Chapter 
4: 
Software for further details.
•SCADA Entry: A SCADA system connected...

3–8PQMII POWER QUALITY METER  – INSTRUCTION MANUAL
CHAPTER 3: OPERATION
3.4 Default Messages
3.4.1 Description
Up to 10 default messages can be selected to display sequentially when the PQMII is left 
unattended. If no keys are pressed for the default message time in the 
S1 PQMII SETUP  
PREFERENCES  DEFAULT MESSAGE TIME
 setpoint , then the currently displayed message will 
automatically be overwritten by the f irst default message. After three seconds, the next 
default message in the sequence will...

CHAPTER 3: OPERATION
PQMII POWER QUALITY METER  – INSTRUCTION MANUAL3–9
3.4.4 Default Message Sequence
Each PQMII is pre-programmed with f ive default messages as shown below. Note, each 
time the factory setpoints are reloaded the user programmed default messages are 
overwritten with these messages.
The PQMII will scroll through the default messages in the sequence shown.
THREEPHASE REAL
POWER = 1000 kWTO DELETE THIS
MESSAGEPRESS ENTERDEFAULT MESSAGE
REMOVED
ACTUAL VALUE OR SETPOINT
TO BE REMOVED FROM...

3–10PQMII POWER QUALITY METER  – INSTRUCTION MANUAL
CHAPTER 3: OPERATION