Siemens NK8232

Structure and functions
3
NK823x hardware
25
Building Technologies
A6V10062437_a_en
CPS Fire Safety
30.01.2019
⚫ On : critical/hardware fault.
Diagnostics (yellow LED)
Internal interface diagnostics:
⚫ Off : status OK.
⚫ Blinking (fast) : booting operating system after restart.
⚫ Blinking (1 flash) : missing or insufficient license.
⚫ Blinking (2 flashes) : trouble with the I
2
C bus to I/O modules.
⚫ Blinking (3 flashes) : not used
⚫ Blinking (4 flashes) : trouble with the serial/network interface.
⚫ Blinking (5 flashes) : trouble with DLL or RCLOCK file(s).
⚫ Blinking (6 flashes) : Modbus GW trouble.
– SW trouble.
– No communication to FS20/FS720 or to the Modbus Master/Client.
– No NK8237 or FS20/FS720 registers reading (Modbus Master watchdog
expired).
⚫ On : critical/hardware fault.
Right Side LEDs
The four LEDs on the right side are from top to bottom:
Name
Function
Com1
Status Com1
Red: RX
Green: TX
Com2
Status Com2
Com3
Status Com3
Com4
Status Com4
3.2.2 Internal DIP switches
The internal DIP switches (S101) enable a download session via FTP using a
default IP.
Internal switch
Functions
DIP switch 1
Default mode/network access: If DIP switch 1 is ON, an FTP connection
occurs by default on the Ethernet 1 at the default IP address 192.168.9.41.
DIP switch 2
Default mode/network access: If DIP switch 2 is ON, an FTP connection
occurs by default on the Ethernet 2 at the default IP address 192.168.10.41.