Rockwell-automation 47C626 AutoMax Programming Executive V4.2 Instrukcja Użytkownika Pobierz pdf (Strona 153)

10Ć9

2. An application configuration check is performed. If the

application configuration check determines

that an I/O module is

missing or not functioning, an error code is displayed.

3. Forced outputs are set to their forced values.

WARNING

VARIABLES

AND OUTPUTS WHICH ARE FORCED BEFORE AĆC POWER IS

OST

WILL

REMAIN FORCED WHEN AĆC POWER

IS RESTORED

. SHOULD AĆC POWER

BE LOST WHILE VARIABLES ARE FORCED, THE USER MUST ENSURE THAT

UNEXPECTED

MACHINE MO

VEMENT DOES NOT OCCUR WHEN AĆC POWER IS

RESTORED. FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN

BODILY INJURY.

4. Volatile common variables are cleared, i.e., initialized to 0, false,

or off

, if they are not forced. The values of local variables,

nonĆvolatile common variables, and forced volatile common

variables are retained. All I/O points are cleared.

5. The application tasks are built," i.e., the system data structures

are created.

6. The application tasks are installed. The status code d0" is

displayed during the installation because this may take a

significant amount of time, depending on the size and number

tasks to be installed. The Processor attempts to read all I/O

locations to verify that they are still there.

7. Application tasks may be reĆstarted if the reĆinitialization was the

result of power being turned off and AUTOĆRUN is enabled.

Otherwise,

application tasks are not automatically reĆstarted. See

12.4 for more information on AUTOĆRUN.

1 2 ... 148 149 150 151 152 153 154 155 156 157 158 ... 277 278

Brak uwag

Rockwell-automation 47C626 AutoMax Programming Executive V4.2 Instrukcja Użytkownika Strona 153