You can display descriptive information about CWSERV. This information tells you how to display information, and lists the System and Point topic attributes.
To display information about CWSERV on a Microsoft Excel spreadsheet:
Select 38 rows in one column in the spreadsheet.
Type the following formula in the first cell and press Ctrl+Shift+Enter.
=cwserv|system!help
The resulting display should look like this:
CIMPLICITY to Windows Server (CWSERV):
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This server provides clients with access to current CIMPLICITY point data.
The topics supported include SYSTEM and POINT.
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The SYSTEM topic gives information about this server.
Supported items under the SYSTEM topic include the following:
Formats: Lists all supported formats.
SysItems: Lists all items supported under the SYSTEM topic.
Topics: Lists all supported Topics.
Help: Provides information about this server.
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The items under the POINT topic are in the following format:
point_id.attr[start:endR]
point_id = tag name of the point [REQUIRED],
attr = type of point data desired [default = VALUE],
start and end = beginning and ending indices of an array point [default = 0], and
R = Row formatting for array elements (tab deliminated) [default = Column (<CR><LF> deliminated)].
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Supported items under the POINT topic include the following:
VALUE: Point data value. (converted).
RAW_VALUE: Point raw data value (non-converted).
STATE: Current state of the point.
TYPE: Data type.
LENGTH: Length of point data.
ELEMENTS: Number of elements in the point for an array point.
SIZE: Size of point data.
DISP_FORMAT: Display format.
EU_LABEL: Engineering units label.
ALARM_HIGH: High alarm limit.
ALARM_LOW: Low alarm limit.
WARN_HIGH: High warning limit.
WARN_LOW: Low warning limit.
DISP_HIGH: High display limit.
DISP_LOW: Low display limit.
INIT_STATE: Initial state of point.
LARM_ENABLED:1 if the alarm is currently enabled.
WARN_ENABLED: 1 if the warning limits are currently enabled.
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Command syntax for system topic. |
