W&T 57630 Manual page 58

W&T
Function
Invoke / Tag
device_name
Inserts the name assigned for the Web-IO in the web site
device_text
Inserts the description defined for the Web-IO in the web site.
inputx
Inserts the name specified for input no. x.
x can be a number between 0-11 and indicates which
input the invoke refers to. This applies as well to the
output and counter invokes described below.
ix
Indicates the state (ON/OFF) of the input corresponding to x.
bcix
Represents the background of a table cell depending on the
state of Input x.
OFF = no background color, ON = green.
cx
Inserts the counter state of the counter for Input x in the web
site.
outputx Inserts the name specified for Output x.
ox Shows the state (ON/OFF) of the output corresponding to x.
When logging in with Operator or Administrator rights, the
state indication is given a hyperlink. Clicking on this link
changes the state of the corresponding output and refreshes
the web site.
bcox
Represents the background of a table cell depending on the
state of Output x.
OFF = no background color, ON = green.
time
Inserts the system time and data of the Web-IO in the Web
site.
reload_button
Inserts a button having a reload function in the Web site.
session
When logging in with Operator or Adminstrator rights, the Web-
IO generates a Session ID. When the page is opened again
this Session ID must be specified as a parameter, so that for
example when jumping back through a link the access rights
are retained.
An example for using W&T tags
The page user.htm can be used as a basis for creating your own
Web pages. To view the original source text, select in the
navigation tree Config >> Up/Download >> Download and then
click on the button user.htm download.
58
HTTP - Inputs and Outputs control from the Browser