Siemens NK8000 MP.4.60 Parts list manual

Building Technologies
Fire Safety & Security Products
NK8000 MP.4.60
NK8222, NK8223, NK8225
NK8231, NK8232, NK8235
Installation
Function & Configuration
Commissioning
Safety Regulations

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Table of contents
About this document.........................................................................................................5
1Safety regulations..............................................................................................9
1.1Country-specific standards...................................................................................9
1.2Assembly and installation.....................................................................................9
1.3Commissioning and testing................................................................................10
1.4Disposal and recycling .......................................................................................10
1.5Modifications to the system design and the products........................................10
1.6Data privacy and protection ...............................................................................10
2Introduction ......................................................................................................11
2.1Interactions.........................................................................................................12
2.2What's new.........................................................................................................13
3System limits ....................................................................................................14
3.1NS8210 driver system limits...............................................................................14
3.2NS8011 driver system limits...............................................................................14
3.3NK822x system limits.........................................................................................15
3.4NK823x system limits.........................................................................................16
4Structure and functions...................................................................................18
4.1NK822x hardware...............................................................................................18
4.1.1Front panel..........................................................................................18
4.1.2Internal DIP switches..........................................................................19
4.1.3Internal jumpers..................................................................................20
4.1.4Serial interfaces..................................................................................20
4.1.5LON interface......................................................................................21
4.1.6Ethernet interface................................................................................23
4.1.7I2C interface: I/O and power supervision............................................23
4.2NK823x hardware...............................................................................................24
4.2.1Front panel..........................................................................................25
4.2.2Internal DIP switches..........................................................................26
4.2.3Internal jumpers..................................................................................27
4.2.4Serial interfaces..................................................................................28
4.2.5LON interface......................................................................................29
4.2.6Onboard I/O........................................................................................29
4.2.7I2C interface: I/O and power supervision............................................29
4.2.8Ethernet interfaces..............................................................................31
4.2.9USB interface......................................................................................31
4.2.10SD card...............................................................................................32
5Hardware installation.......................................................................................33
5.1NE8000 cabinets................................................................................................33
5.1.1NE8000 hardware requirements.........................................................34

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5.1.2NE8000 hardware installation.............................................................34
5.2NK822x hardware installation.............................................................................37
5.3NK823x hardware installation.............................................................................46
6Software installation ........................................................................................52
6.1Installation checklist............................................................................................52
6.2Composer tool....................................................................................................52
6.3Launching Composer .........................................................................................53
6.4NW8202 IP configuration download tool............................................................54
6.4.1NW8202 hardware requirements........................................................55
6.4.2NW8202 software requirements .........................................................55
6.4.3NW8202 installation............................................................................55
6.5NW8204 maintenance and diagnostic tool.........................................................55
6.5.1NW8204 hardware requirements........................................................56
6.5.2NW8204 software requirements .........................................................56
6.5.3NW8204 installation............................................................................56
7Configuration....................................................................................................57
7.1Configuration checklist .......................................................................................57
7.2Configuring IP settings via NW8202...................................................................58
8Testing the configuration ................................................................................62
8.1Checking the DMS - NK82xx connection(s).......................................................62
9Maintenance and diagnostics.........................................................................63
9.1Kernel update.....................................................................................................63
9.2SNMP monitoring ...............................................................................................64
9.3The NK8000 maintenance and diagnostic tool ..................................................64
9.4The NW8204 maintenance and diagnostic tool .................................................65
9.4.1Launching NW8204 from DMS host ...................................................66
9.4.2File commands....................................................................................69
9.4.3Diagnostic functions............................................................................69
9.4.4Uploading diagnostic files...................................................................72
9.4.5Using log files......................................................................................75
9.4.6Menu "Send Default Configuration File" .............................................78
9.5The NK8000 Web Server tool ............................................................................79
9.5.1Launching the NK8000 Web Server ...................................................79
9.6Correcting communication failures.....................................................................85
9.6.1NK82xx generated a fault ...................................................................85
9.6.2Control unit generated a fault..............................................................86
9.6.3Control unit won't respond ..................................................................86
9.6.4CS6 Guarto generated a fault.............................................................86
9.6.5No fault generated by network failure - MP3.15 and higher...............87
10Secure operation requirements......................................................................88

About this document
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About this document
Purpose
This document is a guide to the planning, installation and configuration of the NK8000
safety and security network. It includes an overview of the system, hardware
requirements and limitations, and detailed installation and configuration instructions.
Hardware components detailed in this manual include the NK822x (NK8222, NK8223,
NK8225) and NK823x (NK8231, NK8232, NK8235) Ethernet Ports.
This guide is to be used in conjunction with the product-specific
Danger Management
System Installation, Configuration, and Commissioning guide (MM8000 / MK8000 /
MT8001)
, and the DMS8000 Connectivity Guides.
Scope
This document applies to the NK8000 MP4.60.
Target audience
This documentation is intended for the following users:
 Project Managers
 Project Engineers
 Commissioning Personnel
It is assumed that individuals performing the operations described in this manual have
prior expertise and training in the field of safety and security, at least a moderate level
of familiarity with the Siemens Building Technologies product line, and experience with
the installation, configuration, and commissioning of security management systems.
Documentation resource information
The DMS8000 Documentation Resource Information and Glossary Guide assembles
important information regarding documentation resources. This document contains the
following:
 Comprehensive definitions of the target audiences for Siemens FS DMS
documents
 Training program information including the Siemens intranet link
 A complete list of all available DMS8000 documents
 Instructions for how to obtain a document via the Siemens intranet using the
Siemens Asset Portal
 A map of relevant documents for each target audience group
 Customer Support links & resources
 A glossary containing definitions of all terms and acronyms used in DMS8000
documentation
To access the
DMS8000 Documentation Resource Information and Glossary Guide
(document no. A6V10089056), go to the link and follow the document search
instructions below:
http://assetportal.bt.siemens.com/portal/index.html
1. In the Search column on the left, set:
- Segment: 04 Fire -3F

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- Document Type: All
- Image Type: All
- Advanced search criterias: Select Brochure No. and enter the document
number to search for (
A6V10089056 ). Alternatively, select Title and enter the
product name (
DMS8000 ).
2. Click Search to start.
3. In the resulting area on the right, click on Contents link to show the list of search
results.
For more information such as Siemens news and announcements, visit the STEP Web
portal at:
https://workspace.sbt.siemens.com/content/00001123/default.aspx
Note: Before beginning work on the system you must have read and understood the
Safety Regulations section in this manual.
Liability disclaimer for damage or injuries
Before products are delivered, they are tested to ensure they function correctly when
used properly. Siemens disclaims all liability for damage or injuries caused by the
incorrect application of the instructions, or the disregard of danger advisories. This
disclaimer applies in particular to personal injuries or damage caused by:
 Improper and/or incorrect use.
 Disregard of safety instructions in the documentation or on the product.
 Poor maintenance or a lack of maintenance.
We have checked the contents of this manual for agreement with the hardware and
software described. Since deviations cannot be precluded entirely, we cannot
guarantee full agreement. However, the data in this manual are reviewed regularly and
any necessary corrections are included in subsequent editions. Suggestions for
improvement are welcome.
Copyrights and registered trademarks
Brand or product names mentioned in this document may be names protected by
copyright law or registered trademarks of other companies. These are mentioned only
for identification purposes and have no recommendatory character in regard to the
product or manufacturer, unless otherwise stated.
Documentation Conventions
The following table lists conventions to help you use this document in a quick and
efficient manner.
Convention Examples
Numbered Lists (1, 2, 3…) indicate a
procedure with sequential steps.
1. Turn OFF power to the field panel.
2. Disconnect the power cord.
3. Open the cabinet.
One-step procedures are indicated by a bullet
point.
 Expand the Event List.

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Conditions that you must complete or must be
met before beginning a procedure are
designated with a ⊳.
Results, after completing a step or at the end
of the entire procedure, are designated with a
⇨.
⊳ The report you want to print is open.
1. Click the Print icon .
⇨ The Print dialog box appears.
2. Select the printer and click Print.
⇨ The print confirmation appears.
Bold font in a procedure indicates something
you should select or type.
Type F for Field panels.
Click OK to save changes and close the dialog
box.
Menu paths are indicated in bold. Select File > Text, Copy > Group, which
means from the File menu, then select Text,
Copy and finally Group.
Error and system messages are displayed in
Courier New font.
The message Definition successfully
renamed displays in the status bar.
Italics are used to emphasize a term. The Open Processor continuously executes a
user-defined set of instructions called the
control program .
This symbol signifies a Note. Notes provide
additional information or helpful hints.
Caution
This is a Caution message and indicates that
minor or moderate injury or property damage
may occur if a procedure is not followed.
Warning
This is a Warning message and indicates that
a serious injury or a severe equipment and
property damage may occur if a procedure is
not followed.
Cross references to other information in
printed material are indicated with an arrow
and the page number, enclosed in brackets:
[→92]
For more information on creating flowcharts,
see Flowcharts [→92].
Modification index
Note: For versions more than four years old, please visit the Siemens Asset Portal.
Version Date Notes
A6V10062437_a_en 06.2013 NK8000 MP4.60.
For details regarding updates/modifications, see What's
new [➙ 13].
A6V10062437_a_en 06.2012 NK8000 MP4.50:
– New section: Using log files (logging on USB device).
A6V10062437_b_en 10.2011 NK8000 MP4.30-01:
– Improved NK8232 and NK8235 functions: BACnet
and I2C I/O now supported.
A6V10062437_a_en 06.2011 NK8000 MP4.40:
– Improved NK8232 and NK8235 functions: BACnet
and I2C I/O now supported).
– New EEProm log definitions.
– Enhanced connectivity for:
- FS20/FS720 for interactions and network separation.
- FS20/FS720 Modbus Gateway.
– Enhanced Web diagnostic tool.
– New Kernel Update section.

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A6V10062437_a_en 06.2010 NK8000 MP4.30:
– New NK8231 CEI adapter, improved NK8232 and
NK8235 functions (BACnet and I2C I/O still not
supported).
– Network tunnelling for remote CS6 configuration on
NK822x.
A6V10062437_a_en 12.2009 NK8000 MP4.20-01:
– NK8232 and NK8235 released with some limitations.
A6V10062437_a_en 06.2009 NK8000 MP4.20:
– NK8232 and NK8235 (announced).
– IIS security and Lockdown tool.

Safety regulations
Country-specific standards 1
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1Safety regulations
This section describes the danger levels and the relevant safety regulations applicable
to the use of the products described in this manual. Please read the following work
instructions as well as the preceding section
About this document thoroughly before
beginning any work.
Danger potential to individuals
NK8000 units are powered with low voltage DC. While there are no specific safety
regulations that apply to these devices, modifications made to safety/security systems
in general may present a risk to the safety of the individual performing those
modifications, as well as to the equipment itself.
If used, the NE8001 cabinet is powered with AC voltage and the required power cable
should be installed following scrupulously the instructions given in this manual.
1.1 Country-specific standards
Siemens Building Technologies products are developed and produced in compliance
with the relevant international and European safety standards. This document provides
warnings and recommendations specific to NK8000 products. Any additional country-
specific or local safety standards and/or regulations that apply concerning project
planning, installation, operation, and device disposal must also be taken into account.
Note: As for any electrical equipment, proper grounding is critical to the safe
operation as it provides a protection against electrical shocks. Before starting any
activity, be sure that the electrical installation complies with relevant regulations and
conforms to local safety standards.
1.2 Assembly and installation
The NK8000 units and NE800x cabinets should always be installed in a clean and
stable environment; see the specific requirements given in the Technical Data section
of the specific datasheets.
In particular, keep units and cabinets away from the following:
 High levels of dust
 High temperature and humidity
 Locations where it might became wet
 Vibration and impact
Also, abide by the safety regulations of the connected devices.

Safety regulations
1 Commissioning and testing
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1.3 Commissioning and testing
 Activate security-, fire- and third party systems or devices only in the presence of
the person responsible.
 Inform people before the testing of alarm devices — consider the possibility of
panic reactions.
 Inform the alarm and fault receiving stations connected to the system before
carrying out tests.
1.4 Disposal and recycling
These devices include electrical and electronic components and must not
be disposed of as domestic waste.
Current local legislation must be observed.
The NK8000 units have been manufactured as much as possible from materials that
can be recycled or disposed of in a manner that is not environmentally damaging.
However, they contain parts (batteries) that require disposal in a controlled waste
stream according to local environmental standards and/or regulations.
1.5 Modifications to the system design and the products
Note: Modifications to a system or to individual products may cause faults or
malfunctioning.
Please request written approval from Siemens Building Technologies and from any
relevant authorities concerning intended system modifications and system extensions.
1.6 Data privacy and protection
Make sure that the configuration of the system complies with local data privacy and
protection regulations.

Introduction
Data privacy and protection 2
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2Introduction
The NK8000 family provides LAN/WAN adapter products for a safety and security
network:
 The NK822x series (phased out).
 The NK823x series.
 The NK8237 Modbus Gateway.
The
NK822x series includes:
 NK8222 Ethernet port: LAN/WAN (CMSDL/IP, CEI-79) and Dial-up (CEI-79)
communication unit supporting one subsystem connection over RS232 line or
CerCom/LON bus, and locally connected DF8000 I/O units. It can provide local
interactions between points in the connected subsystem and I/O.
 NK8223 Ethernet port: LAN/WAN (CMSDL/IP, CEI-79) and Dial-up (CEI-79)
communication unit supporting up to 4 RS232 lines, one CerCom/LON bus, and
locally connected DF8000 I/O units. It can provide local interactions between points
in the connected subsystems and I/O.
 NK8225 Ethernet port: LAN/WAN (BACnet/IP, CMSDL/IP, CEI-79) and Dial-up
(CEI-79) communication unit supporting up to 4 RS232 lines, one CerCom/LON
bus, and locally connected DF8000 I/O units. It can provide local interactions
between points in the connected subsystems and I/O, as well as network-wide over
other NK8225s or NK823xs.
The
NK823x series includes:
 NK8231 CEI Interface for a single subsystem: LAN/WAN/Dial-up (CEI-79)
communication unit supporting one subsystem connection over RS232 line as well
as onboard I/O and locally connected DF8000 I/O modules.
Note: NK8231 is intended for use with MM2000 Management Stations, which are only
available in the Italian market.
 NK8232 Ethernet port (single): LAN/WAN (BACnet/IP, CMSDL/IP, CEI-79) and
Dial-up (CEI-79) communication unit supporting one subsystem connection over
RS232 line as well as onboard I/O and locally connected DF8000 I/O modules. It
can provide local and interactions between points in the connected subsystems
and I/O, as well as network-wide intearctions over other NK8225s or NK823xs. In
addition, it can act as Modbus Gateway for FS20/STT20/FS720.
 NK8235 Ethernet port: LAN/WAN (BACnet/IP, CMSDL/IP, CEI-79) and Dial-up
(CEI-79) communication unit supporting up to 4 RS232 lines as well as onboard I/O
and locally connected DF8000 I/O modules. It can provide local interactions
between points in the connected subsystems and I/O, as well as network-wide
interactions over other NK8225s or NK823xs. In addition, it can act as Modbus
Gateway for FS20/STT20/FS720.
Note: The Modbus host interface is discussed in the NK8237 Modbus Gateway ICC
manual, (document A6V10316241). This document should be used for configuring the
Modbus host also on NK8232 and NK8235.

Introduction
2 Interactions
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2.1 Interactions
The unit can be programmed to support interactions between the connected
subsystems: when a specified message is received from a source subsystem, one or
more commands are generated for a destination subsystem according to the
programmed interaction logic.
Interactions can be
local or network-wide :
 Local interactions only involve the subsystems connected to a single unit.
 Network-wide interactions involve subsystems connected on different units, which
coordinate the interaction task over the network. Network-wide interactions require
units supporting the BACnet protocol.
Note: NK8000 units are not certified as part of an EN54-2 fire detection system.
Therefore, the interactions should only be used in applications where they are not in
conflict with EN54 standards or national guidelines or regulations (e.g. not for
common control of remote transmission devices).
Note: NK8231 and NK8237 do not support interactions.
Both local and network-wide interactions are supported for a restricted list of
subsystems:
 FS20 Sinteso Fire control units (this subsystem is not supported by NK822x)
 FS720 Cerberus Pro Fire control units (this subsystem is not supported by
NK822x)
 STT20 Fire control unit (this subsystem is not supported by NK822x)
 CS11 AlgoRex® Fire control unit
 CS1115 Fire control unit
 FC330A Fire control unit
 FC700A Fire control unit
 SIGMASYS/D100 Fire control unit
 XLS FireFinder control unit
 CS6 Guarto Intrusion control unit
 SI410 Intrunet (formerly Sintony) Intrusion control unit
 DF8000/CF9000 I/O modules
 MK7022 Cerloop Interface
 Philips Burle CCTV switcher
For details on interactions, see the
Network Connectivity Guide (document
no.A6V10359485).

Introduction
What's new 2
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2.2 What's new
Here is the list of modifications for new functions and software improvements.
Section Modifications
Front panel [➙ 25] NK823x vitality green LED: twice blinking if logging
is running.
SD card [➙ 32] NK823x units are equipped with a 16 GB SD card
for network communication logging.
Kernel update [➙ 63] Kernel update procedure: checking of available
memory space added.
SNMP monitoring [➙ 64] SNMP port is closed by default by NK823x firewall.
Diagnostic functions [➙ 69] Status information for NK823x logging, firewall and
routing added.

System limits
3 NS8210 driver system limits
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3System limits
The following describes the system limits for the NK82xx units and the corresponding
NS82xx drivers for DMS8000 (MM8000 and MK8000) systems. For detailed
information about supported subsystem software versions see the
NK8000 Release
Notes
(document n.A6V10062453.)
3.1 NS8210 driver system limits
NS8210 Ethernet Port connections (CMSDL/IP and CEI 79-5)
Currently, there is a limit of 500 NK82xx units per NS8210.
Note: Please contact customer support for configurations above 100 NK82xx.
NS8210 Transport protocols
NS8210 supports the transport protocols CMSDL/IP or CEI 79-5 for communication
with the Ethernet Ports.
Note: The cryptography option is only supported with the CEI 79-5 protocol.
Multiple host configurations are only supported with the CMSDL/IP protocol.
3.2 NS8011 driver system limits
NS8011 Ethernet Port connections (BACnet/IP)
Currently, there is a limit of 64 BACnet/IP connections per Server/FEP Station.
NS8011 Transport protocols
NS8011 supports the BACnet/IP protocol for communication with the NK8225,
NK8232, and NK8235.
Note: Encryption is not supported.
Subsystems supported
Same as interactions, refer to the list [➙ 12].

System limits
NK822x system limits 3
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3.3 NK822x system limits
Network capabilities (upstream towards management system host)
 Ethernet IEEE 802.3, 10Base-T, half-duplex, no auto-sensing or auto-negotiation
 Single host transport protocols:
– CEI 79-5 type A and B (optional FEAL 64-bit encryption)
– CMSDL/IP
– BACnet/IP (NK8225 only)
 Multiple hosts (up to four) transport protocols:
– CMSDL/IP
– BACnet/IP (NK8225 only)
 DHCP is currently not supported. A static IP address is required.
Serial capabilities (downstream towards subsystems and upstream
towards local management system host)
NK8223/NK8225: The maximum number of serial lines is 4, allowing connection to up
to 4 local units (intrusion, access control, fire, gas detection, CCTV control units). Two
serial lines are available on the CPU module and two on an expansion module. The
serial lines can also be used for a local host or a dial-up host connection.
NK8222: The maximum number of serial lines is 2 (on the CPU module). Only one
connection to a local unit (intrusion, access control, fire, gas detection, CCTV control
units) is allowed. The second line can be used for a local host or a dial-up connection.
In all NK822x models, the first serial port can be configured as an RS232-interface
using connector COM1 or as an RS485-interface using connector CN4.
Interaction capabilities
NK822x provides programmable interaction programs, including single or multiple
triggers (incoming events) and single or multiple effects (outgoing control actions).
Interactions are possible between locally connected subsystems.
The NK8225 can provide network-wide interaction capabilities between other BACnet
NK82xx units.
 Subsystems supported (see Interactions [➙ 12]).
 Logical combinations: AND, OR, XOR, NOT
 Delay of effects (wait): configurable 0…6500 sec.
 Max. # of typical interactions (1-6 triggers, 1-4 effects): 500
 Total # of field points used in triggers/effects: 5000
 Max. # of field points/interactions that can be combined in a trigger expression: 255
Modules locally connected via I2C
 Up to 16 digital inputs (2 DF8040 modules)
 Up to 8 digital outputs (1 DF8020 module)
 Power supply supervision (1 DF8090 module)
Further input/output modules can be connected over the serial lines.

System limits
3 NK823x system limits
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3.4 NK823x system limits
Network capabilities (upstream towards management system host)
 2 Ethernet interfaces IEEE 802.3, 10/100 Base-T with auto-negotiation, half/full-
duplex with auto-sensing, auto-crossover (thus eliminating the need for crossover
cables)
 Single host transport protocols:
– CEI 79-5 type A and B, optional FEAL 64-bit encryption (NK8231, NK8232 and
NK8235)
– CMSDL/IP (NK8232 and NK8235)
– BACnet/IP (NK8232 and NK8235)
 Multiple hosts (max four hosts combined in total), transport protocols:
– Max. 4 CMSDL/IP (NK8231, NK8232 and NK8235)
– Max. 4 BACnet/IP (NK8232 and NK8235)
– Max. 3 Modbus TCP/IP (NK8232 and NK8235)
 Redundant connectivity to hosts (dual Ethernet), transport protocols:
– CMSDL/IP (NK8232 and NK8235)
– CEI 79-5 type A and B, opt. FEAL 64-bit encryption (NK8232 and NK8235)
 DHCP is currently not supported. A static IP address is required.
 SNMP supported for remote monitoring; NK823x units can provide a basic set of
public information as well as an advanced engineering report.
Serial capabilities (downstream towards subsystems and upstream
towards local management system host)
NK8235: The maximum number of serial lines is 4, allowing connection up to 4 local
units (intrusion, access control, fire, gas detection, CCTV control units). Two serial
lines are available on the mainboard and two on an expansion module. The serial lines
can also be used for a local host, a dial-up host or a Modbus RTU connection to a 3rd
party Modbus master device.
Note: The two serial lines on the expansion module (COM3, COM4) do not support
the hardware-handshaking signals for modem control (Rx, Tx, and GND only).
NK8232: The maximum number of serial lines is 2 (on the mainboard). Only one
connection to a local unit (intrusion, access control, fire, gas detection, CCTV control
units) is allowed. The second line can be used for a local host , a dial-up host or a
Modbus RTU connection to a 3rd party Modbus master device.
NK8231: The maximum number of serial lines is 2 (on the mainboard). Only one
connection to a local intrusion unit is allowed. Only one Ethernet interface with CEI 79-
5 upstream protocol is supported (no redundant connectivity to hosts).
In all NK823x models, two serial ports can be configured as an RS232 interface using
connector COM1 and COM2, or as an RS485 interface using connectors X104 and
X105. The NK8235 RS485 interface can handle up to 32 Modbus devices.
LON bus connectivity
LON bus connectivity for CS6 Guarto is not supported on NK823x.

System limits
NK823x system limits 3
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Interaction capabilities
NK8232 and NK8235 provides programmable interaction programs, including single or
multiple triggers (incoming events) and single or multiple effects (outgoing control
actions). Interactions are only possible between locally connected subsystems.
 For supported subsystems see Interactions [➙ 12]
 Logical combinations: AND, OR, XOR, NOT
 Delay of effects (wait): configurable 0…6500 sec
 Max. # of typical interactions (1-6 triggers, 1-4 effects): 500
 Total # of field points used in triggers/effects: 5000
 Max. # of field points/interactions that can be combined in a trigger expression: 255
Modules locally connected via I2C
 Up to 4 DF80xx modules in total
– 1 DF8090 Power supply supervision module
– Up to 4 DF8020 relay output modules
– Up to 4 DF8040 non supervised inputs modules
– Up to 4 DF8045 supervised NC input modules
– Up to 4 DF8046 supervised NO input modules
Note: Locally connected DF8000 I/O modules are only supported with NK823x with
build state 10 or higher (NKM8001-A2 mainboard; check the last two digits after the
part no. on the NK823x type label).

Structure and functions
4 NK822x hardware
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Building Technologies A6V10062437_a_en
Fire Safety & Security Products 30.06.2013
4Structure and functions
4.1 NK822x hardware
The NK822x is composed of an electronic board (with optional plug-ins) installed in a
compact and robust plastic box.
NK822x Ethernet port (NK8223 in this example)
4.1.1 Front panel
The front panel houses 9 LED’s.
Left Side LED’s
The five LED’s on the left side are, from top to bottom:
Power (LED green)
Power (hardware – controlled).
Vital functions (LED green)
Software vitality:
 Blinking (1 flash) : core software running.
Tamper (LED bicolour)
Unit tamper:
 Red means tamper alarm (hardware controlled).
 Green means tamper disabled (from management station).
Download (LED red)
Network diagnostics:
 Off : status OK.
 Blinking (1 flash) : missing identification from NS8xxx.
 Blinking (2 flashes) : not used.
 Blinking (3 flashes) : FTP channel open (default mode; for switch settings see
Internal DIP Switches .
 On : critical/hardware fault.

Structure and functions
NK822x hardware 4
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Building Technologies A6V10062437_a_en
Fire Safety & Security Products 30.06.2013
Diagnostics (LED yellow)
Internal interface diagnostics:
 Off : status OK.
 Blinking (1 flash) : missing or insufficient license.
 Blinking (2 flashes) : trouble with the I2C bus to I/O modules.
 Blinking (3 flashes) : trouble with the LON interface.
 Blinking (4 flashes) : trouble with the serial/network interface.
 Blinking (5 flashes) : trouble with DLL or RCLOCK file(s).
 On : critical/hardware fault.
Right Side LED’s
The four LED's on the right side are, from top to bottom:
Name Function
Com1 Status Com1
Com2 Status Com2
Com3 Status Com3
Com4 Status Com4
Red: RX
Green: TX
4.1.2 Internal DIP switches
The internal DIP switches enable a download session via FTP using a default IP
address.
Internal switch Functions
DIP switch 1 Not used.
DIP switch 2 Default mode/network access: If DIP-switch 2 is ON, an FTP connection occurs
by default on the Ethernet at the default IP address 192.168.10.41.

Structure and functions
4 NK822x hardware
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Building Technologies A6V10062437_a_en
Fire Safety & Security Products 30.06.2013
4.1.3 Internal jumpers
The internal jumpers are used for:
 JP3: when closed, it disables the box tamper alarm.
 JP6: when closed, it enables the LON termination resistor (100 Ω) for a doubly
terminated bus topology.
1 2 3 4 5
NK822x internal DIP switch and jumpers
Item Description
1 DIP-Switches
2 Reset button
3 JP6: enable LON resistor.
4 Tamper switch
5 JP3: disable tamper or connect to external tamper.
4.1.4 Serial interfaces
NK8223 / NK8225: although the maximum number of serial lines is 4, they are not
always used. There are two serial lines available on the base module and two on an
expansion module.
NK8222: this model is equipped with two serial lines only available on the base
module.