GE PQMII, Инструкция по эксплуатации

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3–4 PQMII 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 setpoints or actual values page returns the display to the main setpoints or actual values
page. The
MESSAGE
keys select messages within a page.
3.3.3 Escape Key
Pressing the
ESCAPE
key during any setpoints or actual values message returns the user to
the previous message level. Continually pressing
ESCAPE
will return the user back to the
main setpoints or actual values page.
3.3.4 Enter Key
When programming setpoints, enter the new value by using the
VALUE
keys, followed by
the
ENTER
key. Setpoint programming must be enabled for the
ENTER
key to store the
edited value. An acknowledgment message will flash if the new setpoint is successfully
saved in non-volatile memory. The
ENTER
key is also used to add and remove user defined
default messages. Refer to 3.4: Default Messages for details.
3.3.5 Reset Key
The
RESET
key is used to clear the latched alarm and/or auxiliary conditions. Upon
pressing the key, the PQMII will perform the appropriate action based on the condition
present as shown in the table below.
Table 3–1: Reset Key Actions
Condition Present Message Displayed PQMII Action Performed
None None No action taken
Alarm
RESET NOT POSSIBLE
ALARM STILL PRESENT
Alarm LED indicators and
alarm relay remain on
because condition is still
present