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100/180 MM GRAPHICS RECORDER: USER GUIDE
User Guide
Page 17
HA261742
Issue 16 Nov 04
3 PROCESS VARIABLE DISPLAY (Cont.)
CURRENT TRACE ALARM ICONS
In each of the different types of PV display, each channel's faceplate gives the status of the channel's alarms. The
status of each alarm is shown by one of the icons depicted in table 3, either flashing (if it is active and unacknowl-
edged) or on continuously (if it is active and acknowledged). (See
, below, for a description of how to
acknowledge alarms.) Absolute alarm threshold icons and deviation alarm bars appear in any display which includes
a scale (except circular charts). For deviation alarms the bar stretches from (Reference - Deviation) to (Ref
Deviation).
Notes:
1.
For software versions 2.3 onwards, 32MB versions of the recorder come with four alarms per point, in-
stead of two per point as supplied with previous software versions. The System/About display can be
used establish what size of DRAM is fitted - see
.
2.
'Trigger' alarms do not display threshold marks or bars, or faceplate symbols.
Absolute High
Absolute Low
Deviation in
Deviation out
Rate-of-change Rising
Rate-of-change Falling
4-alarm units
2-alarm units
Table 3 Alarm icons
3.1 STATUS BAR
This appears across the top of the display, and contains the items described below.
3.1.1 Current access level
There are four access levels available (Logged out, Operator, Engineer and Service), and the current level is displayed
in this key at the top left hand corner of the display. Touching this key calls the login page as described in section
3.3.1 (
) below. If a user has been added (using the '
part of the Security setup - sec-
tion 4.4.3, below), then the 'Full User Name' is displayed instead of the access level.
3.1.2 Page name
Initially this shows the current group's descriptor. The name changes according to context for example 'Operator' or
'Config-Archive' If the Batch option is fitted, this area contains batch information as well as the page name. Touch-
ing the area calls the Batch Status page. See section 1 of the Options Manual for further Batch details.
Absolute
low
Absolute
high
Deviation
In / Out
Horizontal
scales
Vertical
scales
Rate of
change
No
indication
No
indication
R
d
d
d
d
R
For Deviation alarms, R = Reference; d = deviation
Faceplate symbols
Scale symbols