Siemens NK8000 Series Installation, Configuration & Operation page 29

Building Technologies
CPS Fire Safety
DF8046
DF8046 is a module providing 4 supervised inputs (normally-open balanced inputs)
designed for migration of CS100/DMS7000 Multiplexer systems with B1G030 line
supervision boards.
See NK823x hardware installation [➙ 42] for more information on the connection of
I/O modules to the NK823x.
DF8090 Power Supply Supervision
DF8090 is a module designed for monitoring a 12V DC power supply. It can detect
the conditions listed below, shown on the DF8090 local panel and report them to
NK823x, and in turn to management station (see the following):
Mains failure (no 220VAC)
⚫
Battery low
⚫
Power supply failure (trouble with AC/DC converter)
⚫
Battery protection fuse blown (internal micro-fuse type MSF 3.15A/250V)
⚫
PW
MAINS
1
AC/DC
LOW BATT
BATT FUSE
DF8090 front panel
Item Description
1 LEDs.
2 I C connector to I/O modules.
2
NK823x power connections
See figure
for the NK823x power connections using the power supervision module.
Note: Locally connected DF8000 I/O modules are only supported with NK823x
with build state 10 or higher (NKM8001-A2 mainboard).
For more information about the DF8000 Input/Output modules, including
installation details, see documents
no.A6V10081184) DF8000 ICC (document no.A6V10081388)
and
Structure and functions
NK823x hardware
2
(see NK823x hardware installation [➙ 42])
DF8000 Datasheet (document
3
.
29
A6V10062437_a_en
30.01.2019