Yokogawa Touch Screen GP20 - Manual (Page 406)

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GS 04L51B01-01EN May. 7, 2013-00
● Digital display
Displays measured values numerically
A DI input state can be displayed as an arbitrary
character string (0=Off/1=On, etc.)
Update rate: 0.5 s
● Overview display
Display format: All channels (GX10: Max. 30,
GX20: Max. 100), each groups
Displays the measured values of all channels
and the alarm statuses
● Alarm summary display
Displays a log of up to 1000 alarms
Specify an alarm with the cursor and jump to
the corresponding section on the historical trend
display.
● Message summary display
Time and content of up to 500 messages
(including 50 add messages)
Specify a message with the cursor and jump to
the corresponding section on the historical trend
display.
● Memory summary display
Displays the information (up to 500) of the data
in the memory
Specify a file with the cursor and jump to the
corresponding section on the historical trend
display.
● Report display
Displays the report data residing in the internal
memory
For more details, see "MATHEMATICAL
FUNCTIONS WITH REPORT FUNCTION (/MT)."
● Log display
Displays the event log, error log, communication
log, FTP log, Web log, e-mail log, SNTP log,
DHCP log, and Modbus log.
● Multi-panel display
Divides the screen into two to six sections and
displays some different display formats.
● Other displays
Network information display
System information display
System configuration display
Auto scroll ON/OFF:
The displayed groups can be automatically
switched at a specified interval.
The display switches in ascending group order.
Names of channels:
Channel number;
Analog input: 01 to 10
Digital input: 01 to 16
Digital output: 01 to 06
X X X X
Slot number; GX10: 0 to 2, GX20: 0 to 9
Main unit: 0
Tags:
• Tag and Tag numbers can be displayed.
• Tag number; Number of characters: Up to 16
Displayable characters: Alphanumeric characters
Tag numbers can be enabled or disabled.
• Tag; Number of characters: Up to 32
Displayable characters: Alphanumeric characters
Message:
• Write messages to the trend display.
• Number of messages: 100
• Number of characters: Up to 32
• Write method: Write a preset message or write
an arbitrary message on the spot.
• Write destination: Select only the displayed
group or all groups.
• Auto message: Write a message when the GX
recovers from a power failure while memory
sampling is in progress.
Write a message when the trend interval is
switched during memory sampling.
Add message:
• Write messages to the past data positions.
• Message: The same as the “Message” item
above
Number of writable messages per file: 50
messages (including 10 freehand messages)
Freehand message:
• Can be written by dedicated pen.
Number of writable messages per file: 50
messages (including 10 Add messages)
Data Saving Functions
Internal memory:
• Temporarily saves various types of data.
• Medium: Flash memory
• File storage capacity: 500 MB
External storage medium:
• Medium SD card (SD/SDHC) (up to 32 GB)
• Format: FAT32 or FAT16
Data type:
• Display data, Event data, Alarm summary data,
Manual sampled data, Screen image data, Setup
data, and Report data
Display data:
• Target: Measurement (input/output module)/
math/communication channels, alarm summary,
message summary
Description: Maximum or minimum value per
recording interval
• Recording intervals: Determined by the trend
interval
For GX20
Trend interval (div) Number of channels
5 s 100
10 s 200
15 s or longer 500
Note that the maximum number of channels is
fixed at 100 in the GX10.
• Data size;
Analog input data: 12 bytes/ch.
Digital I/O data: 4 bytes/ch.
Math channel data: 12 bytes/ch.
Communication channel data: 12 bytes/ch.
• File size: Up to 18 MB
• Number of files: Up to 500 (including event data)
Operation in the internal memory: FIFO (First In
First Out)
• Data format: Binary or text
• Recording: Records data at all times.
• Display data file sample time
Measurement channel = 30. Math Channel = 0