Structure & Function; Nk822X Structure; Nk822X Internal Hardware - Siemens NK8223 Manual For Installation, Configuration And Commissioning

4 Structure & function
4.1

NK822x structure

4.1.1

NK822x internal hardware

Building Technologies
Fire Safety & Security Products
The NK822x is composed of:
 A processor board with 2 RS232 serial ports and LAN Ethernet adapter
 DIMM-PC / 520-I module with 32MB RAM, 32MB Flash disk
 Real Time Operating System (RTOS) with integrated IP protocol stack
 Optional 2 RS232 ports add-on board (NK8223 / NK8225 only)
 Optional PC/104 LON add-on board
 Optional external I/O module(s) (16 in /8 out)
 Optional external power supply supervision module
Fig. 10 NK822x CDI-Ethernet port
The euro-size processor board is equipped with a DIMM-PC module, 2 RS232 se-
rial lines, LAN and diagnostic LED's.
NK822x internal hardware – main board
Fig. 11
Structure & function
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007798_g_en NK8000 ICC.doc
06.2006