Vigilantplant Daqstation DX3004, Руководство пользователя

Страница: 13 / 17

11
IM 04L75B01-01EN
Memory and Trend Clear Function
■ Specifications
• A function used to clear the internal memory and the
trend.
• Clears the data area of the internal memory (data
files that have been created are not cleared).
• Can be executed while memory sample is in
progress.
• If you carry out the clear operation on the historical
trend display, the display retains the condition before
the operation.
• If you execute memory and trend clear on a
display other than the operation display, the screen
automatically returns to the operation display.
• Methods for clearing the internal memory and trend
display
• Event action function
• Communication command
For details, see the “ ■ Communication Commands.”
■ Event Action Function
• You can use the event action function to clear the
internal memory and trend display.
The “Clear the internal memory and trend display”
action can be specified only when the event is set to
“Remote.”
• The “Clear the internal memory and trend display”
action is executed only when an open-to-close event
(rising edge) is detected.
■ Setting the Memory and Trend Clear Function
1.
Press MENU (switch to the setting mode).
2.
Select Timer , Event action
>
Event action
.
3.
Set the Logic box number , Event (set to Remote),
and
Remote number
.
4.
In the Action box, press the MemClear soft key.
Setup Screen Example for the Memory and Trend
Clear Function
Communication Commands
The same command is used to control the display freeze
function and memory and trend clear function.
QB p1 <terminator>
p1: Switch the screen operation and clear the memory
(0 to 2)
0: Normal operation
1: Freeze the display
2: Clear the internal memory and trend display
Enabling/Disabling the Time Display
■ Specifications
• A function used to disable the time display on the
operation display.
• Displays on which the time display is disabled
See Table 4 Displays on Which the Time Display Is
Enabled/Disabled and the Description.
Display Name Description
Status display Time display Time
Trend display Grid time display Grid time
Message display Written time
Circular display Grid time display Grid time
Message display Written time
Historical trend
display
Grid time display Grid time
Message display Written time
Alarm summary Alarm time
Message summary Written time
Memory information Start time and stop
time
Batch comment time
Cursor time display Cursor time
Summary display Memory summary Start/Stop time
Manual sample data
time
Report data time
Message summary Alarm time
Alarm summary Written time
Report data display Start time
Timeout time
Log display Login log Time
Error log Time
Communication log Time
FTP log Time
WEB log Time
E-mail log Time
SNTP log Time
DHCP log Time
MODBUS log Time
Table 4 Displays on Which the Time Display Is Enabled/
Disabled and the Description