Yokogawa Touch Screen GP20 - Manual (Page 408)

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All Rights Reserved. Copyright © 2012-2013, Yokogawa Electric Corporation
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GS 04L51B01-01EN May. 7, 2013-00
Clock Functions
• Clock: With a calendar function
• Accuracy: ± 5 ppm (0 to 50°C), excluding a delay
(of 1 second, maximum) caused each time the
power is turned on.
• Time setting: Using touch operation,
communication command, event action function,
or SNTP client function
• Time adjustment method:
Limit in which the time is gradually adjusted:
Select from the available settings between 5 s
and 15 s.
Whether to change an out-of-limit operation
immediately or report it as an error can be
selected.
While memory sampling: Corrects the time by 1
ms for each second.
While memory is stopped: Immediately change
the time.
• DST: The date/time for switching between
standard time and DST can be specified.
• Time zone: Sets the time difference from GMT.
• Date format: Select "YYYY/MM/DD", "MM/DD/
YYYY", "DD/MM/YYYY" or "DD.MM.YYYY".
MM expression can be selected from the
numeric character or ellipsis. Ex. January: 01 or
Jan
The delimiter can be selected from "/", ".", "-".
Ethernet Communication Functions
• Electrical specifications: Conforms to IEEE 802.3
• Connection: Ethernet (10BASE-T/100BASE-TX)
• Max. segment length: 100 m
• Max. connecting configuration: Cascade Max. 4
level (10BASE-T), Max. 2 level (100BASE-TX)
• Connector: RJ-45
• Protocols: TCP, UDP, IP, ICMP, ARP, DHCP,
HTTP, FTP, SMTP, SNTP, Modbus, and
dedicated protocols
• E-mail client: Automatically send e-mail at
specified times.
E-mail is sent by events as below.
- Alarm occurring/alarm canceling
- Recover from power failure
- Report data generating
- Storage medium error, FTP client function
error
- Specified time period
POP before SMTP and SMTP authentication
(PLAIN and CRAM-MD5) is available.
• FTP client: Automatically transfer data files to the
FTP server.
Applicable files: Display data, event data, screen
image data, report data, etc.
• FTP Server: Transfer files, delete files,
manipulate directories, and output file lists of the
GX.
• Web server: GX real-time monitoring and setting
changes/operations can be performed with the
Web browser.
The screen layout can be determined
independently of the screen of the GX main unit.
• SNTP client: Inquires the time to the SNTP
server and sets the GX.
• SNTP server: Outputs the GX time.
Time resolution: 5 ms
• DHCP client: Automatically obtain the network
address settings from the DHCP server.
• Modbus client: Reads data from another device
and writes to the registers.
• Modbus server: Loads measurement and math
channel data
Loads and writes communication channel data
Some control commands such as memory start
Modbus client* register access limitations
*: Required /MC option
• Setting/Measurement server: Operate, set, and
output data of the GX using a dedicated protocol.
Batch Function
• Function: Data management using batch names.
Enter text fields and batch comments in the data
file.
• Batch name: Added to the file name of the
display data and event data.
Structure: Batch number (up to 32 characters) +
lot number (up to 8 digits)
Use/not use selectable for lot number, on/off
selectable for auto increment function.
• Text field: Adds text to the display data and event
data.
There are 24 available text fields.
Up to 20 title characters and 30 other characters
can be entered per field.
• Batch comment: Adds text to the display data
and event data.
3 comments (max. 50 characters) are available.
Printer Output Function
• Snapshot Data can be printed out with any
LAN-connected printer supporting the HP-PCL5
language.
Other Functions
• Buzzer: GX makes a buzzer sound at touch
screen operation, or when alarm occurs.
• Backlight saver function: Dim or turn off the
LCD backlight if there is no key operation for a
specified time.
• Favorite display: Register frequently used
displays to the Favorite and show them through
simple operation.
• The main alarm is indicated using the MENU key
LED.
No alarm: Blue (same condition as power-on)
Alarm condition: Red.