Siemens SIREC D Handbuch Seite 146

Operation
4. ACKnowledge Button - To the left of the
Status Line is the position of the ACK button
(Figure 3-6). This is the Alarm ACKnowledge and
is only present when there is an alarm condition,
at which time it blinks until you press it to ac-
knowledge the alarm condition. Pressing the Ac-
knowledge button will also reset any Output re-
lays if this option is installed and programmed.
Note that the ACK button will always be the top
most button, always rising to the surface when
covered by other items such as menus. You can
thus acknowledge an alarm at any time, even
while in the programming mode.
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Figure 3-6 ACKnowledge Button
5. Unit Tag - The Unit Tag is shown on the
Status line and may be up to 20 characters long
(Figure 3-7). The Unit Tag is changed in the
PROGram Menu under Display - Powerup disp -
Unit Tag. The Unit Tag will be displayed as en-
tered. Refer to Chapter 4 for programming de-
tails.
SOUT HPOLE UNIT #6
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Figure 3-7 Status Bar Showing Unit Tag
C. Graphics Area - The Graphics display area
can be either a full screen of information, or the
screen may be split, showing combinations of the
primary screens to be displayed. These views
might be charts, bargraphs, digital or Alarm in-
formation. The different views are selected via
the VIEW Button in the Button Bar (see Figure 3-
1).
The graphics shown on the screen can be hori-
zontally oriented or vertically oriented. Selection
of the orientation is via the PROGram Menu un-
der Chart/Pens - Direction. The following para-
graphs and Figures show the varied displays
possible. Only Vertical displays are shown.
1. Chart Paper and Pens View - In this view,
the display area emulates a paper type chart
recorder with pens. This view shows each of
the inputs, up to six.
3-6
There are grids on the screen, both horizontal
and vertical. The vertical grid spacing is a func-
tion of the divisions on the chart scales. If there
is more than one scale set, they alternate. On
the full screen trend view, the scales can be
toggled through by pressing the middle of the
scale (top center of the display).
Each scale has its end points marked along the
top of the chart with the scale value, the 0.00
and 600 indicating that the trace has a value of
zero when it is hard to the left, and 600 when it
is hard to the right.
There is a marker on top of the pen pointers to
indicate which pens reference the current
scale. Thus when interpreting the data for pens
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1 and 2 use a value of 0 to 600 full scale. When
the scale changes, so will the markers on the
pen pointers to indicate the pens for the next
scale. Also along the top of the chart are the
scale UNITS. Figure 3-8 depicts a typical
"Chart Paper and Pens" view.
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A vertical Chart Paper and Pens view is
shown. The Chart Paper and Pens may be
turned side-ways or horizontal, if desired.
Orientation of the Chart Paper and Pens
view can be changed by pressing the Menu
Button, pressing the Program Button,
scrolling to Chart/Pens , pressing ENTER ,
scrolling to Direction , scrolling to Horizontal
or Vertical , and pressing ENTER . Refer to
Chapter 4 of this Manual for additional in-
formation.
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Figure 3-8 Chart Paper & Pens View
NOTE
Siemens AG C79000-G7374-C211-01
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SIREC D Manual