2 – site controller iii, System overview, Cfn3 command window – Gasboy CFN III Mgnr's Mnl V3.4 User Manual
Page 25: Consoles, 2 – cfn3

MDE-4315 CFN Series CFN III Manager’s Manual for Windows NT · August 2004
Page 9
Site Controller III
2 – Site Controller III
System Overview
The Site Controller III (SC III) is the brain of the CFN III System. Its job is to
keep you informed of what is going on at your site and to enable you to control
the various pieces of equipment involved in a fueling operation, such as fuel
pumps or dispensers, automatic gates, and tank gauges.
The SC III collects information about what each device is doing and makes that
information available to you in a convenient format. When you issue
commands to the Site Controller-for example, to tell it to authorize a sale on a
fuel pump-it forwards the request to the pump hardware, then monitors the sale
in case something goes wrong. It puts control of all the connected devices at
your fingertips.
When the SC III was installed, your technician or system administrator
configured it with the PC operating system, along with your particular devices
and the procedures your company follows. For example, if your site accepts
cash for fuel, the SC III has been told whether the customer is required to pay
before pumping (a prepay system) or is allowed to pay after pumping (a
postpay system).
CFN3 Command Window
New for version 3.4: there is no longer the separation of the PC drives and the
SC3 root directory. The P: drive is your CFN3 prompt and the location of the
SC3 root directory.
The command window has an P[drive:/directory]* prompt where you will enter
your commands to the SC III. If you do not see this prompt you will need to
press the ENTER key to bring up the signon prompt. Sign on as instructed and
press ENTER. The P* prompt will display. The command window must be
“active” to communicate with the SC III. Active means that the window
appears on the desktop with a colored band at the top displaying the words
CFN3. If the band is gray then the window is not active. To activate the
window, move the desktop arrow over the window (using the mouse) and click
once using the left mouse button. For more information about your command
window and the desktop see
“Introduction” on page 1
.
Consoles
In order to use the SC III fully, you must know how to give it commands and to
understand its replies. The two point of sale devices that communicate with the