eWON General Reference Guide - eWON wiki

Control Description
Tag name
Tag Description
Server Name
Topic Name
Address
Type
Force Read Only
eWON value
General Reference Guide eWON Configuration
Tag general properties
Name of the Tag
The name of the Tag will be used for any reference to the Tag when using the export function or the script
function.
-This Information will be included in the alarm email
Note: the Tag’s name cannot contain:
spaces
$ character
" characters
Maximum length for a Tag’s name is 64 characters
A free text to describe the meaning of the Tag. Useful to clarify the meaning of an alarm.
-This Information will be included in the email that you can send on alarm.
Table 50: Tag’s general properties controls
I/O Server Setup
The IO server name is the Data source of the Tag name. Six data sources are available:
’eWON’ for all the eWON internal IO (please refer to chapter "The eWON IO Servers" on page 94)
’MODBUS’ for IO located on the extension bus (please refer to chapter "Modbus IO server" on page 97)
’MEM’ for virtual IO used by script function (please refer to chapter "MEM IO Server" on page 134)
’NETMPI’ for IO located on the extension bus (please refer to chapter "NETMPI IO Server" on page 103)
’UNITE’ for IO located on the extension bus (please refer to chapter "UNITE IO Server" on page 105)
’DF1’ for IO located on the extension bus (please refer to chapter "DF1 IO Server" on page 109)
’FINS’ for IO located on the extension bus (please refer to chapter "FINS IO Server" on page 115)
’S5-AS511’ for IO located on the extension bus (please refer to chapter "S5-AS511 IO Server" on
page 120)
’S73&400’ for IO located on an MPI bus (please refer to chapter "S7-300&400 (MPI/Profibus - ISOTCP)"
on page 135)
’S7200’ for IO located on an PPI bus (please refer to chapter "S7-200 (PPI - ISOTCP)" on page 142)
Used to apply a common configuration to several Tags.
Please refer to chapter "Tag definition: Introduction" on page 75
Please refer to chapter "Tag definition: Introduction" on page 75
Note: for memory Tag (MEM IO server) this field can be left empty. Although when editing a memory Tag,
the Tag Name will be found here, this field is insignificant.
Defines the Tag name type: Floating Point, DWord, Integer or Boolean
See "DataType of Tags" on page 75.
Boolean only return value 0 or 1. If the IO server returns a value equal to 0, the Boolean value is 0. If the
IO server returns a value different from 0 the output value is 1.
Allows the disabling of the Update function in the View IO page. This is useful if you want to monitor a
read/write Tag. The Tag is still read/write for BASIC operations.
Defines the offset and scale factor to be applied to the IO value coming from the server. The offset and
scales are float values and negative values are accepted. The Tag value will be: TAGval = IOSERVERval
* scale + offset.
Table 51: IO server configuration controls
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