User manual

IEC61131 User and Reference Manual
April 22, 2008
368
sleep
Put controller in sleep mode
Description
The sleep function places the SCADAPack controller into sleep mode. Sleep mode reduces
power consumption to a minimum by halting the microprocessor clock and shutting down the
power supply.
Note: SCADAPack32 and SCADAPack32P controllers do not support the sleep function.
Application programs containing the sleep function will continue to execute but the
controller will not enter the sleep mode.
All programs halt until the controller resumes execution. All output points turn off while the
controller is in sleep mode.
The controller will resume execution when any of the following conditions occur.
Hardware Reset Application programs execute from start of program.
Real Time Clock Alarm Program execution continues from point sleep function was
executed.
External Interrupt Program execution continues from point sleep function was
executed.
LED Power Button Program execution continues from point sleep function was
executed.
Hardware Counter Rollover Software portion of counter is incremented. Program
execution continues from point sleep function was executed.
enableSleepMode
typeOfAlarm
houre
minute
second
sleep
WakeSource
Arguments
Inputs
Type
Description
enableSleepMode
Boolean
The controller is put in the sleep mode when TRUE.
This input must be set to FALSE for controller to
operate normally.
typeOfAlarm
Integer
Type of real time clock alarm
0 = no alarm
1 = absolute time alarm
2 = elapsed time alarm
Hour
Integer
Real time clock hours for absolute or elapsed time
alarm, valid values 0 to 23.