Specifications
Section
1-3
46
Item
Specification
Offline operation functions
Prepare the user configuration screen for use in the online operation screen.
Online
operation
functions
Overview
screen
Place buttons for progressing to the Control screen, Trend screen and other
screens. 4 columns and 8 lines are displayed on each screen (max. 12
screens).
User
Configura-
tion
screen
Control screen
Control blocks such as the PID blocks and Indication blocks, and some
Operation blocks are displayed for up to 8 loops in a single screen in the form
of a field device. The maximum number of screens is 400.
This screen displays the Set Point, PV and MV numeric values, displays PV
as a bar graph, and can be used for changing Set Point, MAN and other
setting values. The color of bar graphs changes when an alarm occurs.
You can progress to the Tuning screen from the Control screen.
Tuning screen
This screen is for setting P, I, D parameters in Control blocks such as the PID
blocks, and for setting alarm setting values. PV, Set Point and MV can be
tuned while their trends are monitored. The maximum number of screens is
3200.
Run stop/stop cancellation are possible on each function block.
Note: Only the Control block that is designated as the source at the 1-Block
Send Terminal to Computer block can be registered.
Trend screen
The analog signals (analog values such as the Control block Set Point, PV
and MV, and other analog values) input from the terminals to the computer
are collected at a fixed cycle and saved to a file. If necessary, up to 8 analog
signals can be displayed on one screen in the form of a multi-dot recorder.
Real time
trend
12 hour’s of data is saved at 10-second
cycles appended with up to 160 tags.
Historic trend
10 day’s of data is saved at 1-minute
cycles appended with up to 320 tags.
Data collected
(logger function)
Batch trend
10-day’s of data is saved at 1-minute
cycles appended with up to 320 tags when
the Trend Start signal is ON.
Data display
Horizontal (time) axis: 2, 4, 8, 12 and 24 hour time units
can be scrolled
Vertical (8-point common) axis: Graduation can be
enlarged by a factor or 1, 2, 5 and 10.
Data is displayed from the time when the specified display
start time is reached.
Display color: red, yellow, green, blue, magenta, purple,
cyan, white
Graphic screen This screen displays changes in the plant status using graphic elements
representing plant devices pasted to the screen from the graphic elements
library (provided with the CX-Process Monitor). The maximum number of
screens is 200.
Fixed graphic elements provided in library: Devices, thermometers,
transmitters, orifices, text
Variable graphic elements provided in library:
Analog input: Bar graph display, numeric indication, tanks
Analog output: Numeric setting (by AO Terminal Settings from Computer
block)
Contact input: Pumps, valves, indicators
Contact output: Switches (by DO Terminal Settings from Computer block)
Annunciator
screen
This screen notifies the operator of alarms or errors that occur by changing
the display color and emitting sound. At the same time, a 32-character
message is displayed over two lines on screen elements.
A total of 16 screen elements (4 columns x 4 lines) can be displayed on each
screen. The maximum number of screens is 5.
Operation
Guide/Message
screen
This screen displays pre-registered 128-character messages over two lines
together with the date of occurrence when the specified internal switch is set
to ON.
Max. number of registerable messages: 100, Number of display colors: 7
Up to 1000 messages are displayed in a single screen.
System Monitor
screen
This screen displays the Loop Control Unit operation run/stop commands,
operation start/stop status, execution errors, RAM sum errors, battery errors,
and the status of the Controller Link Data Link.
