PULSAR MEASUREMENT 
 
105 
 
P305 Input Filter  
This parameter is used to ignore spurious changes of state on the digital 
inputs and determines the time that a change of state has to be present 
before it is recognised as a valid input. 
Enter the required time in seconds. 
P306 Override Level 
This parameter will determine which pumps setpoints will be overridden 
when Digital Input Function P373, 376, 379, 382, 385, 388, 391 = 3 
(Override “ON”). Only pumps with, normal “ON”, setpoints below the 
Override Level will be activated when an Override “ON” condition exists 
and that the Override Delay (P302) and Min Override (P303), where 
required, have been satisfied.  
Enter the required level in Measurement Units (P104). 
Digital Input 
The following parameters are used to configure the use of the digital inputs. 
P372, 375, 378, 381, 384, 387, 390 Type 
Determines the way digital inputs will be recognised by the Zenith. 
Zenith recognises a closed condition, D.C. signal 
voltage present at the input, as a healthy/run 
condition. 
Zenith recognises an open condition, D.C. signal 
voltage not present at the input, as a healthy/run 
condition.