Yokogawa DR240 - Manual (Page 27)

2-1 IM DR232-01E
2
Functions
2.1 Display Functions
The inter-active front panel display consists of three rows. The first row is the main display, and
the second and third row are sub-display 1 and 2 respectively.
Monitor Mode and Status Display
Monitor Mode
• Auto Mode
This mode can be set for the main display, sub-display 1 and sub-display 2. Measurement
values of all channels will be consecutively displayed with update interval.
• Manual Mode
This mode can be set for the main display, sub-display 1 and sub-display 2. Measurement
values of a single channel will be displayed. The display update interval is the same as the
measurement interval (refer to page 2-4).
• Manual Mode
This mode can be set for the main display. When choosing this display, the measurement values
of 5 consecutive channels will be displayed as a page using also sub-display 1 and 2. The
display update interval is the same as the measurement interval (refer to page 2-4).
• Alarm Search Mode
This mode can be set for the main display, sub-display 1 and sub-display 2. Channels at which
an alarm occurred will be searched for and their measurement values displayed. The display
update interval is 2 seconds.
• Bargraph Mode
This mode can be set for sub-display 1. Measurement values which are shown on the main
display will be shown as a bargraph. The display update interval is the same as the interval of
the main display.
• Alarm Status Mode
This mode can be set for sub-display 1 and 2. The display will show per channel whether or not
an alarm occurred (refer to page 2-13). On one display the alarm status of a maximum of 30
channels can be monitored (depending on the number of input channels). The display update
interval is 0.5 seconds.
• Relay Status Mode
This mode can be set for sub-display 1 and 2. The display will show the operating status of
internal switches/alarm output relays (refer to page 2-13). On one display a maximum of 30
relay statuses can be monitored. The display update interval is 1 second.
• Clock Mode
This mode can only be set for sub-display 2. The current date and time are shown.
• Displaying the Selected Mode
To the right of sub-display 1 the currently selected display mode is shown for a specific
display.
Status Display
Indicators at the right side of the display will light up to show that recording is in progress (refer
to page 2-5), alarms are occuring (refer to page 2-13), keys are locked (refer to page 2-17) and
chart needs to be replaced (refer to page 2-18).
Remote/Local Status Display
The status of remote/local control will be show on sub-display 2. Keys cannot be operated in
remote control.