Date And Time; Lcd Display - CARLO GAVAZZI WM50 Serie Manuel D'instructions

Essential information
Database Description
TCD12 Recording of TCD12 events and
events alarms
TCD12 daily Recording of TCD12 variable daily
maximums/ minimum and maximum values set
minimums in advanced monitoring
Note*: to record time stamp information in the databases, the analyzer date and time must be set.

Date and time

Settings
The date and time can be set either via WM50 keypad or UCS.
CAUTION! If the average value calculation interval synchronization (dmd) is enabled via internal clock, changing
the time clears the interval and sets the average values as not available until the end of the first interval.
CAUTION! Changing the time clears the daily minimum and maximum values from the database.
Daylight savings time
The following is possible with UCS:
disable daylight savings time management.
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set automatic time change. Select the time zone in which the analyzer is installed and UCS saves the time change rule in the
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analyzer for the next 20 years. The user must update the rule in the event of governmental change after first configuration.

LCD display

Back lighting
The backlight time, color and behavior in the event of alarm can be set.
Note: if the alarm is active, blinking is only visible in the measurement menu and not in settings and information menus.
From WM50: See "Settings from WM50" on page 29, sub-menu Backlight and Color.
LCD bar graph
The bar graph in the measurement pages (see "Measurement menu display" on page 8) can display the current active or apparent
current value. The value is expressed as a percent of the set full range.
From WM50: See "Settings from WM50" on page 29, sub-menu SET POWER.
Home page
The measurement page displayed by default when the analyzer is turned on or after 120 s of disuse can be set. The home page
can be selected from the default pages or customized row by row.
From WM50: See "Settings from WM50" on page 29, sub-menu Home page.
26 WM50 - Instruction manual | 26/04/2022 | CARLO GAVAZZI Controls SpA
Data recorded for each record
Record ID
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Time stamp *
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Type (single channel alarm, load alarm, TCD12 configuration change or
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load configuration change)
Other information according to event type:
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single channel alarm: channel alarm
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load alarm: load alarm
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TCD12 configuration change: set channel, phase pattern and
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associated phase, selected advanced monitoring variable, energy
meter reset and/or minimum and maximum values
load configuration change: set load, selected advanced monitoring
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variable
Record ID
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Time stamp *
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Value
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Note: if the date and time are changed, the saved values are deleted.
changed, the saved values are deleted.