Door contact monitoring
- Other applications
- Monitoring doors/door contacts at remote buildings (dock sheds) to detect unauthorised opening
- Standard door contacts were connected to the measuring circuit of the monitoring relay in series.
When the door is opened, the contact is opened, the resistance of the measuring circuits becomes infinite, and the output relay of the E3TF01 triggers a siren with a lamp.
- - Low-cost technical solution to protect remote buildings against unauthorised entry
- Long sensor cables and galvanic isolation of the measurement circuit and supply circuit
This might be of interest for you
No entries found.
Lift equipment service
A wide range of different control and supply voltages are used for conveyor and transport systems. The maintenance of expensive inventories of replacement parts…
Mains failure monitoring
The emergency lighting is activated in the event of a mains failure or undervoltage.
The slippage or breakage of a V-belt should be signalled to a control room.
Manure removal systememergency stop
Monitoring of the manure removal system. The conveyor system must switch off when it is blocked by animals or a stoppage.
Loading docklight control
The light on the loading dock and in the warehouse is often on all night even though no one needs it.
Voltage dip detection
Very short voltage dips cause some components in a heating control system to fail, while others continue to function. This interrupts the control circuit, and…