Processor Reset; Network; Power Amplifiers; Ground Short - Bosch Plena Operating Manual

Plena
Notice!
See the Configuration Software Manual for more information about the configuration
software.
6.2.1

Processor reset

Watchdog
If supervision is enabled (see section Supervision, page 78), the processor of the voice alarm
controller is supervised by a watchdog. If the watchdog triggers, the Processor reset indicator
on the front panel of the voice alarm controller is lit. Then, the program memory is checked
and the processor resumes operation within 10 seconds. The indicator remains on until the
fault is acknowledged and reset.
New firmware
A processor reset sometimes happens after new firmware is installed. make sure the Service
DIP switches are put back to the correct position. The correct positions are:
–
–
6.2.2

Network

If supervision is enabled and network supervision is switched on (see section Supervision,
page 78), the connections from the voice alarm controller to the voice alarm routers and
remote controls are supervised. When any voice alarm router or remote control is missing
during a network check, a network error is reported.
6.2.3

Power amplifiers

If supervision is enabled and call power amplifier supervision is switched on (see section
Supervision, page 78), the call power amplifiers in the system are supervised. In the
configuration software, mark the checkbox Call/EMG to enable this function.
If supervision is enabled and BGM/Spare power amplifier supervision is switched on (see
section Supervision, page 78), the BGM and spare power amplifiers in the system are
supervised. In the configuration software, mark the checkbox Spare to enable this function.
6.2.4

Ground short

If supervision is enabled and ground short supervision is switched on (see section Supervision,
page 78), the system can continuously monitor loudspeaker lines in the system for short-to-
ground situations. For each loudspeaker line, short-to-ground supervision can be switched on
and off with the configuration software.
Notice!
See the Configuration Software Manual for more information about the configuration
software.
If a leakage current > 30 + 15 mA is detected in a line, the line is considered faulty.
Bosch Security Systems B.V.
SEL0 and SEL1 to ON.
Enable Firmware Download to OFF.
Installation and Operation manual
Configuration | en 79
2013.07 | V2.0 |