Rockwell Automation 1760-xxxx Pico Controller User Manual - Manual (Page 152)

Publication 1760-UM001D-EN-P - September 2005
7-2 Retention
Set Retention Requirement: Pico must be in Stop mode
Switch to the System menu. If Pico is protected by a password, the
System menu is not available until Pico is unlocked (see Unlock Pico
on page 6-4).
Enable the Retention function (see figure on previous page). The
menu item RETENTION ON/OFF is a toggle menu. The menu always
displays the operating mode into which you can change.
The default setting of Pico is the display RETENTION ON. With this
setting, Pico runs without retentive data, provided a valid circuit
diagram is present. When Pico is in Stop mode or has been switched
to a de-energized state, all actual values are deleted.
Delete Retentive Actual
Values The retentive actual values are cleared when (applies only to Stop
mode):
• the circuit diagram is transferred from PicoSoft (PC) or from the
memory module to Pico, the retentive actual values are reset to
0 (marker = off). This also applies when there is no program in
Pico.
• there is a changeover from retention enabled (the display shows
RETENTION OFF) to retention disabled (the display shows
RETENTION ON).
• the circuit diagram is deleted via the DELETE PROG menu.
Retentive
Behavior Menu
Displayed Behavior: M13, M14, M15, M16, C8, T8, (D1 to D8,
C5, C6, C7, T7) When the Unit is Switched Off and
On Again
No retentive
actual values RETENTION
ON All actual values will be cleared when the unit changes
from Run to Stop mode or when power is turned off.
Retentive
actual values RETENTION
OFF All actual values will be stored when the unit changes
from Run to Stop mode or when power is turned off.
PASSWORD ...
SYSTEM
GB D F E I ..
DEBOUNCE OFF
P ON
STOP MODE
RETENTION ON
DEBOUNCE OFF
P ON
RUN MODE
RETENTION ON
Esc
Del Alt
Ok
Ok
3 X and