VIGIL EVAS BVRD2M
Operating Instructions
BVRD2M issue 2
7
C O M M U N I C A T I O N S
1.7 BVRD2M CANBUS M
ODULES
There are currently five CANBUS modules available:
1.7.1 BVRDACO / BVRDNCO
• 10 x BEL line surveillance with earth leakage fault detection
(BVRDNCO - as BVRDACO without changeover function)
• 11 x amplifier surveillance, 10 with auto change over
• 1 x RS485 half duplex ports for communicating to control
microphones, etc.
1.7.2 BVRDADC
• 10 x DC line surveillance with earth leakage fault detection
• 11 x amplifier surveillance, 10 with auto change over
• 1 x RS485 half duplex ports for communicating to control
microphones, etc.
1.7.3 BVRDFPI
• 24 x opto coupled inputs from fire detection systems
• 1 x common fault volt free change over relay contacts
• 1 x RS485 half duplex ports for communicating to control
microphones, etc.
1.7.4 BVRDCI
• 16 x analogue voltage sensing inputs for monitored and
unmonitored input access, ambient noise sensors, remote
volume controls etc.
• 4 x volt free change over relay contacts for busy etc.
• 4 x NPN open collector outputs (max 40V @ 100mA)
• 1 x RS485 half duplex ports for communicating to control
microphones, etc.
