23
3953
20
12-
04
6 - EN
Warning Device NVO5-111
Product Specifications
EN
2
Product Specifications
2.1
Function
The warning device is a component of an alarm system. The warning device
monitors the status of a sensor installed in containers, tanks, or double-walled
pipes. The warning device is suitable for use:
As a safeguard to prevent flammable liquids from overflowing or leaking
To detect the oil layer thickness
As a replacement for a faulty NVO5-11 warning device
LEDs at the device indicate alarm, sensor fault and system and sensor status.
In the event of an alarm, an additional acoustic signal sounds.
Input
Only one of the following devices may be connected to the warning device:
NVF-104/34-PF overflow sensor
NVFRH-125E overflow sensor
NVF-12* overflow sensor
KVF-103-PF oil level sensor
ON/OFF switch, customer-side
ON/OFF switches may be:
Floating switches
Reed contacts
Mechanical switches
The ON/OFF switch sends an input signal to the warning device:
0
Ω
= closed
∝ Ω
= open
Output
If required, you can connect a remote alarm or a central monitoring system to the
volt-free relay contacts on the outputs.
Connect a central monitoring system to the alarm relay.
Connect a remote alarm, for example a sounder, to the signal relay.
Содержание NVO5-111
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