NK823x Structure and Functions
26
Building Technologies
048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc
Fire Safety & Security Products 06.2011
X102 onboard inputs
Pin Signal
Circuit 1
(internal power supply)
Circuit 2
(external power supply)
1 Input 1
(Mains failure)
2 Input 2
(Battery fault)
3
Input 3 (Power
supply fault)
4 Common
5 + Val
6 - Val
X101 onboard relay output
Pin Signal Circuit
1 Common
2 NO
3 NC
5.7 I
2
C interface: I/O and Power Supply Supervision
The I
2
C interface (X111) allows for a direct support of:
Up to 4 DF80xx modules in any combination:
Up to 4 DF8020 output modules
Up to 4 DF8040 input modules
Up to 4 DF8045 supervised input modules (NC inputs)
Up to 4 DF8046 supervised input modules (NO inputs)
One DF8090 power supply supervision module
The module can be installed on the DIN-rail, next to the NK823x unit.
DF8020
DF8020 is a module providing 8 relay outputs, NO or NC.
DF8040
DF8040 is a module providing 8 inputs, which can be normally open or normally
closed and driven by dry contacts or open collector signals.
DF8045
DF8045 is a module providing 4 supervised inputs (normally-closed balanced in-
puts).
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 page 37 for more information on the connection of I/O modules to the
NK823x.
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