Yokogawa Touch Screen GP20 - Manual (Page 428)

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All Rights Reserved. Copyright © 2012-2013, Yokogawa Electric Corporation GS 04L52B01-01EN May. 7, 2013-00
• Display data file sample time
Measurement channel = 30. Math Channel = 0
Internal Memory 500 MB
Trend interval (minute/div) 30 minutes
Recording interval (s) 60 s
Total sample time Approx. 2.5 years
Event data:
• Target: Measurement (input/output module)/
math/communication channels, alarm summary,
message summary, operation log
Description: Instantaneous value per recording
interval
• Recording intervals: Determined by the sample
rate
For GP20
Sampling rate Number of channels
100 ms 100
200 ms 200
500 ms or longer 500
Note that the maximum number of channels is
fixed at 100 in the GP10.
• Data size;
Analog input data: 6 bytes/ch.
Digital I/O data: 2 bytes/ch.
Math channel data: 6 bytes/ch.
Communication channel data: 6 bytes/ch.
• File size: Up to 18 MB
• Number of files: Up to 500 (including display
data)
• Operation in the internal memory: FIFO (First In
First Out)
• Data format: Binary or text
• Mode; Free: Records data at all times.
Trigger: Starts recording data when a
certain event occurs and records for the
specified interval.
Repetition trigger: Repeat Trigger mode
• Event data file sample time
Measurement channel = 30. Math Channel = 0
Internal Memory 500 MB
Recording period (s) 1 s
Total sample time Approx. 1 month
Alarm Functions
• Number of alarms: Up to four alarms (level) for
each measurement channels
• Alarm type: High limit, low limit, difference high
limit, difference low limit, high limit on rate-of-
change alarm, low limit on rate-of-change alarm,
delay high limit, and delay low limit
• Alarm delay time: 1 s to 24 hours (for each
channel)
• Rate-of-change calculation interval of rate-of-
change alarms: 1 to 32 times the scan interval
(common to all channels)
• Hysteresis: 0.0 to 5.0% of the span (for each
alarm (level))
• Alarm output: Output to the internal switch
Internal switch operation: AND/OR operation
selectable
• Display: Displays the status on the respective
operation screen and an alarm icon on the status
display section when an alarm occurs.
Display operation: Hold or not hold the display
until the alarm acknowledge operation
• Alarm hide function (alarm no logging function)
Not display alarms nor record to the alarm
summary (for each channel)
• Alarm information: Displays a log of alarm
occurrences on the alarm summary
• Reflash: The duration for which the reflash relays
are deactivated can be set to 500 ms, 1 s, or 2 s.
Event Action Functions
• Event action: Execute a specified operation
when a given event occurs.
• Number of settings: 50
Events: Remote control input, etc.
Timer; Number of timers: 4
Match time timer; Number of timers: 4
Action: Specify memory start/stop, alarm ACK,
etc.
Security Functions
• Operation lock function: Limitations to touch
operation, access to the external storage
medium, and various operations
• Login function: Only registered users can
operate the GP.
It can be set to each of touch operation and
communication access.
System administrators and Users: 50 (totally)
Number of Authority of user: 10 level
Manual Sampled Data
• Item: Instantaneous value at an arbitrary time
• Target: Measurement (input/output module)/
math/communication channels
• Number of recording channels: Max. 50
• Maximum number of data values that the internal
memory can store: 400
• Data format: Text
Report Data
• Item: Report at each scheduled time of report
• Target: Measurement (input/output module)/
math/communication channels
• Maximum number of reports that the internal
memory can store: 800
• Data format: Text
Snapshot Data
• Item: Displayed screen image data
• Data format: PNG
• Output destination: External medium or
communication output
Setup Data
• Item: GP setup data
• Data format: text
• Output/read destination (for saving/loading):
External medium