PLN‑1EOL Plena End-of-Line Boards
Plena Public Address & Voice Alarm
Highlights:
- Pilot tone detection on 100 V loudspeaker lines
- Voltage free switch 200 V 1 A and LED indications of pilot tone
- 10 kohm resistors on board for optional supervised connection
- Daisy chainable for monitoring multiple zones on a single input contact
- Fits on built-in mounts on selected Bosch loudspeakers
Overview
Technical Specification
Downloads
Enquiry
PLN‑1EOL Plena End-of-Line Boards
The Bosch PLN-1EOL Plena End of Line Board is fitted at the end of a loudspeaker line in a voice alarm system to monitor the line integrity and report any faults.
The board detects the 'always present' 20 kHz pilot tone and illuminates an LED to show correct operation. When there is a fault on the line, the LED goes out maing it easy to spot which speaker line or branch has a problem.
Input | 1 x |
Voltage | 100 V loudspeaker line |
Detection threshold | 5 to 50 V @ 20 kHz |
Output | 2 x |
Indicator | Green LED |
Contact | Normally closed fail safe Bipolar MOS switch 250 Vp 190 mA max |
Detection threshold* | 5 to 50 V @ 20 kHz (contact and LED) |
Dimensions (H x W x D) | 17 x 60 x 40 mm |
Mounting | WLS II |
Weight | Approx. 40 g |
Operating temperature | -10 ºC to +55 ºC (14 ºF to +131 ºF) |
Storage and transport temperature | -40 ºC to +70 ºC (-40 ºF to +158 ºF) |
Relative humidity | <95% |
Should you need more information on the product, kindly write your details to us.