NK822x Structure and Functions
20
Building Technologies
048_DMS_NK8000_ICC_MP4.40_A6V10062437_a_en.doc
Fire Safety & Security Products 06.2011
LON panel
element
Functions CD00251 Rev.A boards CD00251 Rev.B boards
S1 Service mode request
DL1 yellow Diagnostics LED Blinking if LON is faulty
Blinking if LON is faulty
DL2 red Node in use
LED, normally on LED, normally on
DL3 yellow Service mode
LED normally on LED normally off
DL4 yellow RX
LED normally on, off when
receiving data
LED normally off, on when
receiving data
DL5 yellow TX
LED normally on, off when
transmitting data
LED normally off, on, off when
transmitting data
Tab.4. LON diagnostics
At the rear of the unit, there are 4 rotary switches for LON addressing (LON physi-
cal address).
Default LON address settings for communication with Guarto MP3
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
=
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
1
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
=
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
1
=
1
9
5
D
8
C
4
A
E
B
3
0
F
7
6
2
CD00251 Rev.A boards CD00251 Rev.B boards
Fig. 4 NK82xx LON board rotary switch settings
LON address assignment for CS6 Guarto MP3
The LON communication between NK822x and CS6 Guarto is based on logical
BACnet addresses for both devices.
The physical LON address of the NK822x LON interface is configurable, whereas
the logical BACnet address of NK822x is fixed.
The default physical LON address of NK822x is:
Subnet: 01
Node: 02
The logical BACnet address of NK822x is fixed to 1. This address has to be con-
figured in the CS6 Guarto using the tool SWE6 for Guarto MP3 (Node CerCom
Bus, properties of node Management Station).
– The physical LON addresses and the logical BACnet addresses must be
unique in a LON-network.
– Guarto MP2b is no longer supported in NK8000 MP3.15 and higher.
Subnet
Node
L H
L H
Subnet
Node
H L
H L
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