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Manual, F/T Sensor, Ethernet Axia

Document #9610-05-Ethernet Axia-09

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9. Common Gateway Interface (CGI)

A user can congure the sensor over Ethernet by using standard CGI protocol and standard HTTP GET method

which sends conguration variables and their values in the requested URL. External factors to the sensor determine

the maximum length of these URLs. If a user exceeds the maximum length, an error or variables might be

incorrectly set.

Each variable is only settable from the CGI page which is responsible for that variable. Each CGI page and the

settable variables associated with the page are explained in the following sections and tables.

9.1 URL Syntax Construction:

A user can send commands to a URL by using the following syntax:

http://<netFTAddress>/<CGIPage.cgi>?<rstVariableAssignment><&nextVariableAssignment>

where:

http:// indicates an HTTP request

<netFTAddress> is the Ethernet address of the Ethernet Axia sensor

/ a separator

<CGIPage.cgi> the name of the CGI page that holds the variables you will be

accessing

? a separator marking the start of variable assignments

<rstVariableAssignment> a variable assignment using the format described below

<&nextVariableAssignment> a variable assignment using the following format, but the variable

name is proceeded by an ampersand (&). This variable assignment

is optional and may be repeated for multiple variables.

9.1.1 Assigning a New Values to a Variable

A user can assign new values to a variable by using the following syntax:

variableName=newValue

where:

variableName is the name of the variable to be assigned

= indicates assignment

newValue is the value to be assigned to the variable. Text for text

variables should not be enclosed in quotes. To include

the ampersand character in text for a text variable use

%26. Floating point numbers are limited to twenty

characters.

• For example:

http://192.168.1.1/setting.cgi?setcfgsel=2&setuserlter=0&setpke=1

tells the sensor at IP address 192.168.1.1 to set CGI

variables setcfgsel to 2, setuserlter to 0, and setpke to 1.

ATI Technologies Axia80-M20 User Manual

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