Interval 1
Days = Monday to Friday
ON = 07:00:00 hrs OFF = 17:00:00 hrs
Interval 2
Days = Saturday and Sunday
ON = 09:00:00 hrs OFF = 13:00:00 hrs
P Ctrl Signal 1A
Digital input 1
on Slot A
Timer 1
Duration = 1800 s
Time channel 1
Start/Stop
Fig. 68: Time channel 1 is used as the control signal for the start command instead of a digital
input
9.12 PID CONTROLLER
P3.13.1.9 DEAD BAND (ID 1056)
P3.13.1.10 DEAD BAND DELAY (ID 1057)
If the actual value stays in the dead band area for a time set in Dead Band Delay, the PID
controller output is locked. This function prevents wear and unwanted movements of the
actuators, for example valves.
Dead band (ID1056)
Reference
Dead band delay (ID1057)
Output locked
Actual value
Fig. 69: The Dead band function
VACON · 290 PARAMETER DESCRIPTIONS
9
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