Micromod Micro-PWC: 53PW6000 MicroPWC Operators Manual - Manual (Page 16)

Micro-PWC OPERATOR’S MANUAL
2 Introduction
1.2.2 Micro-PWC Management Features
The Micro-PWC contains many items which aid in managing use of the system. These include:
• User Logins
• Security Features
• Messages
• Message Routing
• System Status Display
These items are described in Section 3 .
1.2.3 Hierarchical Displays
Hierarchical displays are a set of pre-configured, console group-wide, graphical representations emulating
traditional instrument displays. A three-tiered hierarchy of displays exists to provide the user with informa-
tion about the process. This hierarchy consists of Summary, Group, and Point displays, which are available
on all console nodes in the same console group.
A summary display provides an overview of 24 groups, arranged in six rows of four blocks. There are
1,000 summary displays available.
A group display provides an operation overview of four, six, or eight points simultaneously. All process con-
trol actions and alarm acknowledgment for points within a group can be performed from the group display
on a point-by-point basis.
A point display provides the most detailed information and operation functions about a single point in the
hierarchical display system. From this level the operator can perform regulatory changes. Hierarchical dis-
plays are described in
Section 4 .
1.2.4 Graphic Displays
Up to 10,000 group wide graphic displays can be configured on the Micro-PWC. A graphic display config-
ured on any Micro-PWC is distributed (when saved or installed) to all Micro-PWCs on the same network.
The operator may control a process by using control pushbuttons located on graphic displays. The display
vector pushbutton allows the user to move quickly and easily to other graphics or displays of other types.
Graphic displays, control through graphics, and display vectoring are discussed in
Section 7 .
1.2.5 Logging
Logs are used to collect and format data for use in reports and spreadsheet calculations. The two types of
logs available on the Micro-PWC include event logs and spreadsheet logs. Logs are available group wide.
Logs are covered in
Section 5 .
1.2.6 Trends
Trend traces display the values of one to eight points in an analog trend format similar to that presented by
a conventional strip chart recorder. Three types of trend recording are provided on the Micro-PWC, includ-
ing current trending, historical trending and archival trending. Trend displays are available group wide.
Trends are covered in
Section 6 .
1.2.7 Process Alarms
A process alarm is generated when a process variable is in an abnormal condition. Process alarms are dis-
played in the top two lines of the Mini-Alarm Window, in the Alarm Review display, and are accompanied