Alderon Industries 2000275 Руководство пользователя - Страница 10
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Plastic Cable Weight - USER GUIDE
Wide Angle Control or Pump Switch Information
▪ 90° total operating angle
Normally Open:
▪ Activates 45° above horizontal
▪ Deactivates 45° below horizontal
Normally Closed:
▪ Activates 45° below horizontal
▪ Deactivates 45° above horizontal
Normally Open - High Level Alarms or Pump Down (empty) applications
Normally Closed - Low Level Alarms or Pump Up (fill) applications
Multiple Float Application Example
Multiple float switches with cable weights are typically used for
control applications to empty or fill a tank.
Normally Open (empty):
Top Float
= High Alarm
Middle Float = Start Pump
Bottom Float = Stop Pump
Normally Closed (fill):
Top Float
= Stop Pump
Middle Float = Start Pump
Bottom Float = Low Alarm
10 | Alderon Industries™ - Leading Edge Control Products
(normally open example)
EMPTY TANK
(normally open example)
Control Switch
"High Alarm"
Control Switch
"Start"
Control Switch
"Stop"