User Guide
DVS-21
02/2018
• V.1.0 • L. Wolle
50/131
© 2017 ProCom
®
Professional Communication & Service GmbH • Technical changes reserved.
Operation mode
FAC
Logic
FAC
=
Fire alarm center
Secured activation of a fire alarm contact!
A complete module is required for each fire alarm contact.
A ProCom accessory module
FAC converter
is required!
In each case, the second jumper must be closed on each of the 4 ports on the backplane slot!
FAC Logic
activates the FAC operation mode for all 4 ports
Line function:
Port 1:
Line 18
M -> CPU
Alarm triggered
Line 19
M -> CPU
System faulty
Line 17
M -> CPU
Idle state (Negation of the Line 18)
Line 20
M -> CPU
System OK (Negation of the Line 19)
Port 2 - 4, without function
Display and control elements:
LEDs
Al Port 1
GREEN - ON FAC Alarm
RED - ON
Wire breakage, short circuit or other fault
Backplane connectors:
CC Center contact
NO Normally open contact
NC Normally closed contact
OC Optocoupler
