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Yokogawa DX Serial Driver
Device Properties — Device Configuration
General
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Special Data Handling
: Specify how the driver forwards special ASCII strings to clients whenever
special data is received from the device. Options include None, +INF, and -INF. The default setting is
None.
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None
: When selected, special data values will be returned with the actual data value
received from the device. For example, the data value of a measuring channel Over Range
would be returned as 32,767 and the data value of a math channel Over Range would be
returned as 2,147,450,879.
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+INF
: When selected, special data values will be returned as a numerical representation of
positive infinity (#INF). The exception is an Under Range condition that is always returned as
negative infinity.
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-INF
: When selected, special data values will be returned as a numerical representation of
negative infinity (-#INF). The exception is an Over Range condition that is always returned as
positive infinity.
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Start Math on Start
: When checked, this option will inform the driver to send a command to the
device at communication startup that will start the math computation. The default setting is
unchecked.
Time Settings
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Date and Time
: This property specifies the origin of the data value of the Date and Time data types
(which represent the date and time of the latest data). Options include Device Time and System Time.
The default setting is Device Time. Descriptions of the options are as follows:
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Device Time
: When selected, the Date and Time tags will return the date and time read
from the device. This date and time represents the date and time that the latest data was
measured or computed based on the internal device clock.
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System Time
: When selected, the Date and Time tags will return the date and time that the
requested data was returned from the device based on the PC system clock.
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Date Format
: This property specifies the format of the return string for the Date data type. Options
include MM/DD/YY (month/day/year), YY/MM/DD (year/month/day), or DD/MM/YY
(day/month/year). The default setting is MM/DD/YY.
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Set Clock on Start
: When checked, this option informs the driver to send a command to the device
at communication startup that will set the device clock to the date and time settings of the system
clock. The default setting is unchecked.
Tagnames
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