User manual

IEC61131 User and Reference Manual
April 22, 2008
22
Cold Boot Procedure
A cold boot is performed after installing new controller firmware. When the SCADAPack
controller starts in the cold boot mode:
 The default serial communication parameters are used.
 The ISaGRAF application program is erased.
 The C program is erased.
 The controller is unlocked.
A cold boot is performed using the following procedure:
1. Remove power from the SCADAPack controller.
2. Hold down the LED POWER button.
3. Apply power to the controller.
4. Continue holding the LED POWER button for 25 seconds until the STAT LED begins to
flash on and off continuously.
5. Release the LED POWER button.
If the LED POWER button is released before the STAT LED begins to flash the SCADAPack
controller will start in service mode, not the cold boot mode.
Service Boot Procedure
A service boot is usually performed before application programming and maintenance work.
When the SCADAPack controller starts in service mode:
 The default serial communication parameters are used.
 The ISaGRAF application program is stopped.
 The C program is stopped.
 All programs are retained in non-volatile memory.
 Controller lock settings and password are used.
A service boot is performed using the following procedure:
1. Remove power from the SCADAPack controller.
2. Hold down the LED POWER button.
3. Apply power to the controller.
4. Continue holding the LED POWER button until the STAT LED turns on.
5. Release the LED POWER button.
If the LED POWER button is released before the STAT LED turns on, the SCADAPack
controller will start in the run mode, not the service mode.
Create an ISaGRAF Project
An ISaGRAF application, or project, is created from the Project Management dialog. This
dialog opens, and displays all projects in the library, when ISaGRAF is started. There are a
number of sample projects included in the library and these are displayed in the dialog.
Refer to section A.1.3 A sample application of the ISaGRAF User‟s Guide for an example
of the basic operations required to develop an application.
Declare Variables
Before any programs can be written the variables used in the application must be declared.
Variables are declared using the Dictionary dialog in ISaGRAF. To open the dictionary dialog
select Dictionary from the File menu in the Programs window. Refer to section A.10 Using
the dictionary editor in the User‟s Guide for complete information on declaring variables.
Any number of internal variables may be created. A maximum of 32 I/O variables may be
created unless a protection key is installed.