8
Building Technologies
Fire Safety & Security Products
DF8090 Power supply supervision module
DF8090 is an optional, external module, which can be installed on the I
2
C bus for moni-
toring the NK8225 power supply. It detects the following conditions, shown on the
DF8090 local panel (LEDs), and reported to NK8225 via I
2
C:
–
Mains power failure;
–
Battery low;
–
Power supply failure;
–
Battery protection fuse blown.
DF8090 can be installed on the DIN-rail, next to the NK8225.
Housing solutions for NK8225
NE8001 and NE8002 are compact and convenient housing solutions for NK8225 units:
–
NE8001 - Metallic cabinet for easy wall-mounting, including a DIN rail and a pre-
wired power supply for NK8225 and local I/O;
–
NE8002 - The sole metallic cabinet.
NE8001 housing equipped with NK8225 and I/O modules
Connectivity NK8225 Ethernet Port with BACnet Gateway
Management Systems
Ethernet
–
DESIGO INSIGHT management station (V2.35 SP1)
Automation Stations
Ethernet
–
DESIGO PX automation stations (V2.35 SP1)
Subsystems
4 RS232 lines (3 if RS485 line
is used)
–
1 subsystem, 1 C-Bus network or 1 Cerloop network (via MK7022)
per line
LON line
–
Up to 4 CS6 MP3 Guarto units
I
2
C bus
–
1 Power Supply Supervision Module (1 DF8090)
–
8 or 16 non supervised digital inputs (1 or 2 DF8040)
–
8 non supervised digital relay output (1 DF8020)
