Evoqua WALLACE & TIERNAN SFC, Original Instruction Manual

Page: 95 / 288

SFC
Functions
4.
95
4.8 Alarms
The output of the alarms takes place by means of relay contacts
and alarm indicators on the display. The number of the max. four
alarms is determined in the application or by the version of SFC.
Each alarm can be assigned the following functions:
The type of alarm can be selected in the "Alarms" menu in the
"Alarm ... – Functions" displays. There are three alarm types.
In all alarm types the response can be influenced by entering a
delay (td) (refer to the diagrams in this chapter).
• Limit value = Min All measured values can be selected
individually Cl
2
, pH, mV, Cl-N,
conductivity, etc.
• Limit value = Max All measured values can be selected
individually Cl
2
, pH, mV, Cl-N,
conductivity, etc.
• Digital inputs 1 – 2 can be individually selected
• Error
• Flow rate min/max
• ext. Setpoint/DF min, max
• Yout min/max
• Manual mode
• Ypi min/max