Level Switch
Level switch, abbreviated as LS, provides a discrete input to the PLC. The level switch is typically used as a method of control in tanks and vessels.
Level Switche Types
- Float Switches
- Vibration Switches
- Electromechanical Switch
- Solid-state Switch
Configuration and Alarms
Configuration (Normal State):
- NO - Normally Open
- NC - Normally Closed
Alarms in the PLC can be:
- LSH - Level Switch High
- LSL - Level Switch Low
- LSHH - Level Switch High High
- LSLL - Level Switch Low Low
instrument abbreviations